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Calculate HP from Trap Speed: Vehicle weight in pounds (including driver) lbs. Trap speed at end of 1/4 mi in m.p.h. m.p.h. ... Calculate Rear End Gear Ratio: Enter the tire diameter in inches, rpm's of the motor at a certain speed as indicated by your speedometer in mph. This calculation assumes the car's transmission is in drive or 1:1 ratio ...For example, a 2,400 pound vehicle with a quarter-mile time of 11.65 seconds is making about 300 horsepower. This calculator makes use of the formula: (2) H P = W e i g h t ( E T ÷ 5.825) 3. Note: The results you obtain from these calculators are just guestimations, though. Front-wheel drive cars are different from rear-wheel drive cars, and ...Horsepower Calculator From 1/8th Mile Stats. Wallace Racing BACK to Calculators Todays date is 3/30/2024. These equations are for recreation only. Not a substitude for actual testing. Rear Wheel HP is assuming a 10% drive train loss. Weight is as the car sits on the line: driver and gas in it.Formula: HP = PSI * GPM / 1714. PSI is gauge pressure in pounds per square inch; GPM is oil flow in gallons per minutes. Rules-Of-Thumb: Horsepower for driving a pump: For every 1 HP of drive, the equivalent of 1 GPM @ 1500 PSI can be produced. Horsepower for idling a pump: To idle a pump when it is unloaded will require about 5% of its full ... Calculators to help you out. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. Then, change Richmond's performance gear ratios and beat your best time! Access Drag Performance Calculator. This calculator will help your hot rod or street machine get to the next level without red-lining your engine. Example of Wallace 1/4 Mile Calculator. Let's consider a vehicle weighing 3000 pounds with an estimated horsepower of 350. Plugging these values into the formula, we can calculate its expected elapsed time and speed in a quarter-mile drag race. Elapsed Time (ET) = (3000 / 350) ^ 0.3333 * 5.825 ≈ 11.63 secondsHelpful free online financial calculators and free tools for you to use on your journey to financial freedom. Helpful free online financial calculators and free tools for you to us...April 16, 2024. These calculators are for entertainment value only. Not to be used in place of real testing. See what the G's are at full throttle using your HP at a set speed. For example use your MPH at the finish line and your engine's HP at your finish line RPM. Or your 1/8th mile data. Estimate G's.October 2, 2023 by GEGCalculators. 1/8 mile speed varies depending on the elapsed time it takes a vehicle to cover that distance. Faster times, like 4 seconds, can result in speeds around 200 mph, while slower times, like 10 seconds, may be closer to 80 mph. Vehicle power, weight, and track conditions influence these speeds.Calculate your ET. kg lb. hp kW. Result. ET 1/8: sec. Speed 1/8: km/h mph. ET 1/4: sec. Speed 1/4: km/h mph. This calculator estimates your 1/8 mile and 1/4 mile elapsed time …The 1/8 mile calculator is a valuable tool for drag racers, providing essential insights into their performance and helping them fine-tune their vehicles for optimal …These equations are for recreation only. This calculator uses the Motorsports Standard Atmosphere (MSA). (Not ISA - International Standard Atmosphere) Grains - Grains of water vapor per pound of dry air. The HP Correction is a better determination of ET than the DA (Density Altitude). I have included them for your benefit. 1/4 Mile ET … 1101 W. Rialto Ave. Rialto, CA 92376, USA +1 (310) 361-0020. 23 Mount Erin Rd, Blair Athol NSW 2560, Australia +61 2 9607 2299 Calculate HP, Speed or MPH NEW. RPM At Peak HP Calculator. HP Necessary For A Speed. Estimate 60 Foot Time From Quarter-Mile ET. MPH at the 60' clock. Estimate HP …D-Link DP-300U 10/100TX 1-USB Port 2-Parallel Port Print Server. HP Wireless G Print Server. Writing Excel Macros with VBA. Linksys PSUS4 PrintServer for USB with 4 Port Switch. HP Wireless Printing Upgrade Kit. IOGEAR USB 2.0 Print Server, 1-Port. Xantrex Technologies 851-0400 XPower Plus 400-Watt Inverter. Home Wind …Measure the torque in pound-feet (lb-ft). Record the engine's rotational speed in revolutions per minute (RPM). Use the formula: Horsepower (HP) = (Torque × RPM) / 5252. Multiply the torque by the RPM. Divide that number by 5252. This formula gives you the horsepower, reflecting the engine's power output.Speedmaster has taken the guesswork out of top-end component selection by actually placing the top end components together in complete kits. They include almost everything you need to make serious horsepower. Cylinder Heads. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque.For example, a 2,400 pound vehicle with a quarter-mile time of 11.65 seconds is making about 300 horsepower. This calculator makes use of the formula: (2) H P = W e i g h t ( E T ÷ 5.825) 3. Note: The results you obtain from these calculators are just guestimations, though. Front-wheel drive cars are different from rear-wheel drive cars, and ...1101 W. Rialto Ave. Rialto, CA 92376, USA +1 (310) 361-0020. 23 Mount Erin Rd, Blair Athol NSW 2560, Australia +61 2 9607 2299This calculator computes the estimated engine or motor horsepower from the elapsed time. Elapsed time is a vehicle's duration to complete a run in a competition. This rich Internet app uses the quarter-mile distance or 400-meter track. Note: This is a rough and quick estimate of engine horsepower. Many factors affect horsepower. For a more accurate calculations try Larry Meaux's Pipe Max. His program is excellent and will provide a lot of info. Pipe Max. For an excellent ET Calculator, try ET Analyst from Max Race Software . Wallace Racing - ET/MPH/HP Calculator. Weight is as the car sits on the line: driver and gas in it. Calculate ET and MPH from HP and Weight. Horsepower. Horsepower is a unit of measurement of power developed by engineer James Watt in the late 18 th century. Although its original purpose was to compare the output of steam engines with the power of horses (hence its name), it has since been adopted as a unit of measurement for all sorts of engines used to power things such as vehicles, lawn mowers, boats, chainsaws, and airplanes. Nov. 11, 2025. Thanksgiving. Nov. 27, 2025. Christmas. Dec. 25, 2025. This free date calculator computes the difference between two dates. It can also add to or subtract from a date. Both can deal with business days and holidays.

From the speed and time, they get the distance. When they see 1/4 mile (or 1/8th mile) they stop calculating and display the speed and the time taken to reach that speed and distance. Now here is an interesting thing. It takes a certain number of horsepower-seconds (certain energy applied) to reach a certain speed for a given weight.Last time I looked NHRA conversion factor for 1/8 mile to 1/4 mile E.T. was 1/8th mile ET x 1.57 = 1/4 mile ET....which puts you at a 12.65....that's not going to be aywhere close to 120 mph. ... but 1/4 mile MPH versus vehicle weight is a pretty accurate way to figure out HP level. This calculation comes really close, is not impacted at all by ...Why Use a 1/8 Mile to 1/4 Mile Conversion Calculator? A 1/8 mile to 1/4 mile conversion calculator can be useful for estimating a car’s performance at a different distance. For example, let’s say a car has only been tested and tuned for the 1/8 mile distance, but the driver and team plan to compete at a track that uses the 1/4 mile distance. Wallace Racing BACK to Calculators. Enter your 1/8th Mile ET and 1/8 Mile MPH of your car. 1/8th Mile ET: 1/8th Mile MPH: Input your 1/8th Mile Stats, Please ...

Apr 26, 2007 ... Best run was 9.31 @ 72.1 mph. Anyone? Oh yeah, best figures put the truck at 7,500 pounds. (1/8 mile).Eigth Mile to Quarter Mile Conversion. Wallace Racing. BACK to Calculators. 1/8th to 1/4 to 1/8th Calculator.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. This calculator estimates your 60 foot, 1/8 mile ET, 1/4 mile ET, and . Possible cause: Calculate quarter mile elapsed time (ET) of a car that weighs 2900 kgs with wheel .