form.widthin10.value = ""; BTU is commonly used to compare the energy inherent in different fuels. Then enter the total weight of your vehicle, as raced, including the drivers weight. Does this mean Brad Begamens MMG6 has 750 hp. } } form.diameter11.value = ""; 1/2 hp per cu inch for a stock NA diesel? Atmospheric air conditions: pressure * : temperature * : density : You can change the head ccs, deck height, overbore size, etc. form.conv6.value = ""; } The higher the CC (engine displacement), the more power output the engine can produce. Electric cars have electric motors. Increasing an engine horsepower, without changing the design of the engine itself, can be done through small improvements like changing the fuel type or exhaust outlet. "datePublished": "2004-01-22", Cubic Inch Calculator is a free online tool that calculates the volume of a cuboid and converts the volume to . { form.tire5.value = ""; To find the engine horsepower of a vehicle, please use our Engine Horsepower Calculator. form.rear5.value = ""; multiply by 46656.00073. cubic meters to cubic inches. A nitro burning dragster makes more than 10 H.P. form.stroke.value = ""; if(x==7) When it comes to engines, Briggs & Stratton is no exception. form.rpm4.value = ""; 0 liters x 61 = 366 cubic inches - kinda fun to convert old engine sizes to liters as well - just divide the engine size by 61 - so a 409 (she's real fine) would convert to 6. A '34 J.D. A 200 cc engine is approximately 13 horsepower. return formatvalue(Math.pow(form.hp1.value / form.weight1.value, 1/3)* 234, form.rsize); to see the affects on compression. "interactionType": "https://schema.org/CommentAction", form.mph4.value = ""; { function findmph1(form) Use the calculator below to convert an engines cc to hp, or hp to cc! var d = parseFloat(form.gt.value); Electric cars do not have CC or an equivalent metric. This tool is a very accurate tool and can be tremendously helpful. This is why its possible to do a rough approximation between the two. } None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. Please feel free to use these tools, bookmark this page for future use, and post links to this page for others to use. { Horsepower is not recognized in the International System of Units (SI); SI uses a measurement of power (a rate at which energy is generated or used) called a watt, which is named after James Watt. form.conv4.value = ""; "height": 57 Couldn't be done, if there was just one formula. How to add HTML widget to Wordpress page using new code editor, How to add HTML widget to Wordpress page using old code editor. alert(msg + " not in range [" + min + ".." + max + "]"); Also depends a lot on the heads and proper fuel delivery. HP = CC/ 15 = 750 / 15 = 50 horsepower. { with factory intakes, choose the stage 2 intake manifold type. Then combine the gasket displacement ccs with the "Head" ccs. This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. function findeffratio12(form) form.rpm7.value = findrpm7(form); if (x==3) var invalid = "**************************"; form.mph2.value = findmph2(form); "width": 200, if(x==3) if(x==13) form.tire7.value = ""; Calculate the horsepower required for a milling operation based on the feed rate and depth of cut, which are used to determine the material removal rate (or metal removal rate). On the other hand, kilowatts are commonly used for larger scale measures such as appliances and devices like refrigerators or servers. About 1/2HP per cu for a plain boring carburated engine and 1/3 HP/cu for a a plain boring injected emissions engine. Our cubic inch calculator will work out the total cubic inches of displacement (cid) for an engine given its bore, stroke and number of cylinders. { var n8 = 0; form.et1.value = findet1(form); var str = input.value; A 1000 cc engine is approximately 67 horsepower. engine horsepower. if(x==11) The engine displacement is the usable volume an engine has for combustion. { var g = 0; As previously mentioned, cc and hp are not perfectly equivalent measurements. That would mean a 200 horsepower 4020, 250 hp G1000, 250 hp 5020, etc. This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. A 1500 cc engine is approximately 100 horsepower. An average bone stock turbo diesel made to run 10,000hrs between overhauls will make about 1/2 HP per cu . 1/3HP per cu for turbo and 1/2HP per cu for turbo intercooled. Engines are often described using common terms like cubic centimeter cc and horsepower hp. Engine: Our engine calculators provide insight into the airflow required to support your horsepower goals. Although these two terms are not a direct comparison, they are related and give you an idea of the engines size and capacity. return false; if (x==6) The SOUPED turbo diesel with extra rpm, over boosted, over-fueled, intercooled & water injected will make 2+ HP per cu for a few seconds. "author": { A guide on volumetric efficiency values is provided below. However, the formula converts the values into metric units. { For the theory behind the calculator see the engine page. You dont need to be a mechanic or gearhead to know what were talking about on this site. var b = parseFloat(form.stroke.value); Cubic meters (CCs) are only on gasoline or diesel engines. function RoundUp(inValue) { { HP levels when overfuel, over reved, over boosted and water injected is a whole other issue. } Also required is the unit power, which is a material property describing the amount of power required to cut that material. if(x==8) However, electric motors do have a power output and so do normal combustion engines. multiply by 61023.744095. if(x==6) return formatvalue(1353 / form.mph2.value, form.rsize); if (input.value != null && input.value.length != 0) "@type": "ImageObject", "description":"Discussion of Cubic inches to HP in the Tractor Pulling forum followed by comments. var nines = "999999999999999999999999"; { Go back to my other post where it said 1/4HP per cu" at 1800rpm for a diesel. { This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. if(x==12) return formatvalue((form.rpm5.value * form.tire5.value) / (form.rear5.value * 336.136 * form.trans5.value * ((1 + (form.conv5.value / 100)))), form.rsize); An identical comparison would require looking at something like a cars weight. var a = parseFloat(form.bore.value); per cubic inch. in. Enter the cylinder bore diameter. if (strin.length <= rsize) return strin; form.rpm5.value = ""; For example : For all the engines, including Briggs & Stratton, the CC to HP conversion is exactly same as it would be in any other case. if(x==2) The most important factors involved here are R.P.M.,C.F.M., and compression. }, { Hopefully, that provides a little clarity as to why cc and hp are not identical measurements. CC tells you the usable volume that an engine has for combustion. At the track, see how weather and elevation will affect your times so you can instantly predict your dial-ins using current track conditions. if (x==12) form.cfm13.value = findcfm13(form); }. A takes well over 12 cubic inches to make 1 H.P. function findeqratio12(form) { form.aspect10.value = ""; Automatic Transmissions, Torque Converters & Parts, Free Engine Piston Compression form.ratio.value = ""; When measuring horsepower output of anything, to ensure precise comparisons between them, it is important to be consistent in the methodology used to determine horsepower. The equation to calculate metric horsepower is the same as SAE horsepower. form.diameter10.value = ""; form.rear6.value = findrear6(form); . Also these power figures were typically attained with a very unrestrictive open exhaust system, along with the lack of restrictive OE air cleaner assemblies. n5 = a * a * b * .7854 * g form.tire8.value = ""; length(inches) width(inches) height(inches) = cubic inches(in), length(feet) width(feet) height(feet) 1728 = cubic inches(in), length(yards) width(yards) height(yards) 46656 = cubic inches(in), length(cm) width(cm) height(cm) 16.387064 = cubic inches(in), length(meters) width(meters) height(meters) 61023.74390799963 = cubic inches(in). { function finddispl9(form) form.conv7.value = ""; IOGEAR USB 2.0 Print Server, 1-Port. 078-inch overbore would bring the engine's displacement to 305 7 and 8 We created this online calculator to make your lifeGraphical gear calculator for bicycle gearing systems Additionally,.The cubic inches of an engine is the measure of the swept volume of all of the pistons in. n3 = a * a * 12.87 * e if(x==5) } A 16 horsepower engine is approximately 240 cc. if(x==0) HP levels when overfuel, over reved, over boosted and water injected is a whole other issue. These gross horsepower figures came from engine dyno results in which the tested engine had no real-world accessories attached such as power steering pumps, smog pumps, and or A/C compressors. Linksys PSUS4 PrintServer for USB with 4 Port Switch. This calculator will help you estimate the potential of an engine. function findstrtcarb13(form) We are pleased to share these helpful tools with our valued customers and guests. The horsepower winner here is easy to see, and automotive marketers have taught us that horsepower and cubic inches have always gone hand-in-hand. For example, a 5.7 liter engine is equal to 5,700 ccs. }, The best way to get the weight is to weigh your vehicle at the track with the driver seated inracing position. { } About horsepower calculator Cubic to inch . { function computeForm(form) { return formatvalue((form.newheight12.value / form.oldheight12.value) * form.origratio12.value, form.rsize); fltin > parseFloat(nines.substring(0,rsize)+".4")) I sure can't think of any that make that . [4] Thus, the volume of a cube can be written as length width depth = length length length = length 3. Meanwhile, cubic inches used to be a popular measurement in the 60s and 70s in the United States. form.heads.value = ""; "image": { form.height10.value = ""; If there is other information you would like to see here please contact us and we will do our best to add the resources you need. if (x==9) 1. Back in the 18th century James Watt was developing steam engines and wanted to come up with a unit of measurement that would indicate the amount of workhorses the steam engine would replace. 8125 Re: engine size liters to horsepower converting liters to cubic inches can be done by multiplying the liters x 61 ex: 6. Next, use the formula above to convert this value to horsepower. return formatvalue((form.rear8.value * form.mph8.value * 336.136 * form.trans8.value * ((1 + (form.conv8.value / 100)))) / (form.rpm8.value), form.rsize); Similarly, we will not be requesting a share of any The formula for this cubic inch calculator is cid = ( ( (Bore/2)^2) x Stroke x Pi) x Cyl you can also calculate with the metric version bore (inches) stroke (inches) cylinders (No) There's no magic formula to convert cubic inches to horsepower. A stock WC takes more than 7 cubic inches to make 1 H.P. { About 1/2HP per cu for a plain boring carburated engine and 1/3 HP/cu for a a plain boring injected emissions engine. else "@context":"https://schema.org", "logo": { } 1/2 hp per cu inch for a stock NA diesel? form.widthmm11.value = findwidthmm11(form); I did miss the word intercooled on the previous post to make it match the 1st post. n7 = n4 + n6 The engine displacement is the usable volume an engine has for combustion. }, Engine Rear Wheel Horsepower Calculator Based on total vehicle weight and 1/4 mile MPH. { form.trans7.value = ""; This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. form.bore.value = ""; One horsepower is equal to 745.7 watts, watts being a unit of power that James Watt also came up with, and the same unit you see everyday associated with things like light bulbs and electrical devices. "@type": "WebPage", form.weight0.value = ""; } To run another calculation just click the clear button and start over. The formula for calculating the horsepower from these values is HP = t*RPM / 5252. if(x==4) What is the CC to HP formula in the calculator? if(x==1) { if (x==0) var e = parseFloat(form.dt.value); function findet1(form) form.mph0.value = ""; A nitro burning dragster makes more than 10 H.P. Convert from measurements in cm to cubic inches, Building any engine requires a selection of precision measurement tools. var f = parseFloat(form.piston.value); Calculate the volume of a cube with L3. No computer, charts or workbooks needed. if (x==13) A 547 cc engine is approximately 36 horsepower. published within this website, you choose to use them and rely on function findwidthmm11(form) alert(msg); { A 170 cc engine is approximately 11 horsepower. fuel system injector size per horsepower . { . Couldn't be done, if there was just one formula. It covers a huge range of calculations that are important to gearheads, everything from engine compression ration calculations to rear end gear ratioand tire size affects on rpm and mph. One horsepower is equivalent to the amount of force needed to lift 550 lbs of weight within a period of 1 second. This is simple to do with a calculator, you don't need a professional. "@id":"https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=pulling&th=34119", There's no magic formula to convert cubic inches to horsepower. } Look at different models of the same hp and you will find widely varied CID. Please use the navigational links to explore our website. } ", form.et1.value = ""; Net horsepower was attained from engine dynos with the accessories, OE air cleaner, and factory exhaust system present on the test subject engine. function findheight10(form) For converting HP to CC, you can use the following basic formula: CC = HP*15 What CC means? in. High Performance starts with math, precise measurements and calculations. Calculate the horsepower or CC by multiplying or dividing by 15. 001341 horsepower, Calculator volt-ampere to horsepower. engine cubic feet per minute cfm. Lets use 100HP engine in this HP to CC example. { form.weight1.value = ""; form.trans6.value = ""; For more information or to do calculations on vehicle horsepower, use the Engine Horsepower Calculator. Just enter the CC or HP and see the conversion result! However, there are other lesser known definitions of the word. A super stock 4 turbo set-up makes more than 5 H.P. What is the difference between a 1000CC car engine and a 1000CC motorbike engine? return formatvalue((form.quarter3.value * .655) - .22, form.rsize + 2); , About Cubic to inch calculator horsepower, You can find horsepower per cubic inch by dividing horsepower by Horsepower is a measurement of work, cc and ci are measurements of volume We have some handy compression ratio and cubic inch calculators as well. Use this compression calculator tool to figure the compression you will get with the specifications you provide. What HP means? in. } A guide on volumetric efficiency values is provided below. form.tire6.value = ""; } Has more to do with amount of air at atmospheric pressure that you can pump through the motor in a given amount of time. For example, let's use 750 cc's: 750/15=50 horsepower, or hp. HP stands for horsepower. CC to HP conversion is fast and easy with this calculator. Gasoline two valve per cylinder engines are considered built to the max for easy drivability and use of pump gas at 1HP per cu at 5500rpm. Milling Horsepower Calculator. . 1/4HP per cu for a natural aspirated diesel at 1800rpm. var f = 0; While an engines power output (hp) can be manipulated through modifications, its maximum output will inevitably be limited by its size (cc). This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. Understanding the power output of an electric motor. form.rpm8.value = ""; Then click the calculate button and rear wheel horsepower will be displayed. To make horsepower numbers more accurate to what you would actually see from your engine when installed in your car, for the 1972 model year, American car manufacturers started using "net" horsepower figures. return formatvalue(1353 / form.et2.value, form.rsize); An average bone stock turbo diesel made to run 10,000hrs between overhauls will make about 1/2 HP per cu". function findracecarb13(form) } HP stands for horsepower. if (x==5) A stock Ford 600 takes 4.47 cubic inches to make 1 H.P. HP levels when overfuel, over reved, over boosted and water injected is a whole other issue. Want to get a faster elapsed time, model it first on racingcalcs. She loves nature and wathing documentaries and educational YouTube videos. A rough rule of thumb is. } Horsepower is measure using a tool called a dynamometer. return formatvalue(form.widthmm10.value / 25.4, form.rsize); Has more to do with amount of air at atmospheric pressure that you can pump through the motor in a given amount of time. For example 750CC motorbike has usually more horsepower than a car with 1500cc (1.5L) engine. } Engine Size in Cubic Inches :.. Engine calculator solving for cubic inch displacement CID given number of cylinders, bore and stroke. } Formula 1 cars are limited to an engine capacity of 1.6 liters which is equal to 1600 cubic centimeters. { The other post with the 1500HP missed the point. function findwidthin10(form) 1/2 HP per cu at 1800rpm for a turbo/intercooled diesel. 360/57 is 6.3 cubes per horsepower. our A is 360 cubesand we had 57horse. var n2 = 0; CC stands for cubic centimetres. Go back to my other post where it said 1/4HP per cu at 1800rpm for a diesel. When building a highperformance engine, racing engine or blueprinting an engine, the quality of your measuring tools becomes even more important. "headline":"Cubic inches to HP", Choose cam tappet type: Flat Tappet Roller Enter your DYNAMIC compression ratio: :1 (Not your typical STATIC compression number, if you don't know this you can calculate it here ) Enter your engine displacement (cubic inches): Enter how many cylinders: 4 5 6 8 10 var b = 0; Free Horsepower Calculator Engine Rear Wheel Horsepower Calculator Based on total vehicle weight and 1/4 mile MPH To use this horsepower calculator enter the mph trap speed at the 1/4 mile mark from one of your dragstrip ET slips. { This equation can also be reversed to determine an engines approximate size by multiplying its horsepower by 15. A 5-horsepower engine is approximately 75 cc. { var n3 = 0; Horsepower is a unit of measurement of power developed by engineer James Watt in the late 18th century. This calculates the boost (psi) to achieve a nominated horsepower target based on your engines specifications and maximum rpm. Here is a selection of tools we hope you find helpful. You can use this for example to see how big your stroker engine will actually be as far as displacement, based on different bore sizes or crank strokes. Conversion from cubic meters to horsepowers is a common thing for all of kinds of motorists. The SOUPED turbo diesel with extra rpm, over boosted, over-fueled, intercooled & water injected will make 2+ HP per cu for a few seconds. { form.mph1.value = ""; return formatvalue(form.rpm13.value * form.cid13.value * .000318, form.rsize); Enter the piston stroke length. GPM = Flow Rate in Gallons per Minute. then, multiply length, width and height values together, form.origratio12.value = ""; } You can measure engine horsepower with a tool that is called dynamometer. For late-model multiport fuel injection type engines (Chevy LS, Mopar Gen 3 Hemi, etc.) form.eqratio12.value = findeqratio12(form); form.rpm7.value = ""; form.mph8.value = ""; return formatvalue((form.rpm6.value * form.tire6.value) / (form.mph6.value * 336.136 * form.trans6.value * ((1 + (form.conv6.value / 100)))), form.rsize); Look at different models of the same hp and you will find widely varied CID. form.cfm13.value = ""; This means that while they are related, they are not the same. any results at your own risk. } these online calculation tools are free and easy to use, welcome to share or try it. A takes well over 12 cubic inches to make 1 H.P. function clearvalue(name) Cubic Inches = Bore x Bore X Stroke X Number of Cylinders X . "text": "I was wondering how or if you can figure horsepower from cubic inches. cm3or cc ) 1000 cc = 1 litre 1 hp (UK) = 0.7457 kilowatt ( kW ) rpm = revolutions per minute Engines sorted with the highest tuned first, ie. if(x==10) { Couldn't be done, if there was just one formula. A CC is defined as the size of the volume of an engine displacement in cubic centimeters. This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. A 6.5 horsepower engine is approximately 98 cc. function findmph5(form) { Lets take a look at what exactly each of these is before jumping into how to convert between them. Cubes are rectangular prisms (boxes) in which every side length and angle is equal. new injector flow lb/hr from change in pressure. Writing Excel Macros with VBA. effort has been made to ensure the accuracy of the calculators form.trans8.value = ""; . To find the engine horsepower of a vehicle, please use our Engine Horsepower Calculator. } An average bone stock turbo diesel made to run 10,000hrs between overhauls will make about 1/2 HP per cu . This is why its also referred to as engine displacement. To convert cubic centimeters to horsepower you first need to find your total engine size in cubic centimeters, or cc's. Then use this formula to convert the cc value into horsepower: HP=CC/15. First, determine the total engine size in cubic centimeters. { Lets use 1000CC engine in this CC to HP example. So, instead of pounds and feet, it uses kilograms and meters. Convert from measurements in cm to cubic inches, when we measure the dimension of a carton with a cm ruler, the unit is cm, and we need calculate the cubic inches. per cubic inch. this will give you the volume of the cube. A 3.0 horsepower engine is approximately 45 cc. form.quarter3.value = ""; form.mph5.value = findmph5(form); } } The dynamometer will measure both the torque output and the RPM (revolutions per minute) of the engine and then it calculates the horsepower from those values. if ((ch < "0" || "9" < ch) && ch != '.') Right now this horsepower calculator is intended for single cam engines with carburetor-style intake manifolds (this includes your aftermarket TBI setups FiTech, MSD Atomic, Holley Terminator, etc.). form.strtcarb13.value = findstrtcarb13(form); A super stock 4 turbo set-up makes more than 5 H.P. with the lowest cu.cm to horsepower ratio Related pages " Home page As previously mentioned, cc and hp are not perfectly equivalent measurements. 1 meter = 100 cm = 100/2.54 in = 39.3700787 inches. } The "A" at 321 cu" running at 1200rpm would be well built to make 73HP. var n4 = 0; } Bore, stroke, rod length and angularity, camshaft lift, duration, overlap, lobe separation, rpm, and brake specific fuel curve are just a few of the factors going into figuring the horsepower of a particular engine at a particular rpm with a particular set of componentsand sometimes unpredictable things--good AND bad--happen that only show up on the dyno. Between the lack of power-robbing accessories and restrictive exhaust systems, the advertised horsepower numbers were quite inflated when compared to today's power figures. } Technically, theres a range of 14cc to 17cc per horsepower, but 15cc is most commonly used for simplicity. Pre-programmed formulas for engine building and track tuning. I sure can't think of any that make that . }, Input 1/4 mile dragstrip finish line vehicle MPH and as raced Dividing 1,500 by 15, we would calculate it to have 100 hp. return formatvalue((((form.rpm4.value * form.tire4.value) / (form.rear4.value * form.trans4.value * form.mph4.value *336))-1) * 100, form.rsize); The formula for this cubic inch calculator is, you can also calculate with the metric version, flywheel horsepower from elapsed time and weight, horsepower required for elapsed time goal, change in hp vs change in lb for et with costs calculator, clearance volume from cid and compression ratio, cid and clearance volume from bore stroke and compression ratio, injector size for horsepower target lb/hr, injector size for horsepower target cc/min, new injector flow lb/hr from change in pressure, new injector flow cc/min from change in pressure, turbo boost temperature with inter-cooler, mean sea level to station barometric pressure, station to mean sea level barometric pressure, mean sea level to station barometric pressure metric, station to mean sea level barometric pressure metric, the diameter of the bore of the cylinders, the total cubic inches of displacement of the engine (cid). "mainEntityOfPage": { This is not a perfect conversion because ccs are a measurement of an engines displacement whereas horsepower is for its power. The A at 321 cu running at 1200rpm would be well built to make 73HP. form.bore9.value = ""; It represents an area one inch long, by one inch wide, by one inch deep. John Deere and its logos are the registered trademarks of the John Deere Corporation. var c = 0; } { This tool can also be used to find the final engine size based on any bore size, crankshaft stroke and number of cylinders. "dateModified": "2004-01-22", form.tire8.value = findtire8(form); If your late-model MPFI motor has an aftermarket intake like from F.A.S.T., then choose stage 3. form.widthmm11.value = ""; To get your answer in cubic inches, ensure your length measurement is in inches. { var fltin = parseFloat(strin); Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. 1/3HP per cu for turbo and 1/2HP per cu for turbo intercooled. Using the known CC to HP formula above, we can find out the following: You can also use this page to find out the exact answer. Look at different models of the same hp and you will find widely varied CID. Great when planning a new turbo kit or intercooler to see if it can achieve your goals. form.mph2.value = ""; "width": 200, You can input centimeters in the calculator below, but the litres listed in the output will be wrong, since the calculator assumes input in inches. A stock Ford 600 takes 4.47 cubic inches to make 1 H.P. So you have to figure Displacement and RPM's to figure HP. When using the tool for engine size calculations only you can put most any reasonable numbers in the fields that are used to calculate compression ratio, but you must put something in all fields for the tool to work. Cubic inch calculator is generally used in shipping, freight. form.ratio.value = "Invalid"; form.mph6.value = ""; So you have to figure Displacement and RPM's to figure HP. We create free online calculators and converters for education and fun. The other post with the 1500HP missed the point. HP = CC/15 Where HP is the horsepower CC is the cubic centimeters CC Definition A CC is defined as the size of the volume of an engine displacement in cubic centimeters. injector size for horsepower target lb/hr. } The SOUPED turbo diesel with extra rpm, over boosted, over-fueled, intercooled & water injected will make 2+ HP per cu" for a few seconds. 1 BTU is equivalent to 0.293 watt-hour or 1,055 joules. { function computeField(input) { 1 cubic inch ( cu.in. )