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Car Math Pro

Car Math Pro has all the car calculations and simulations you need to build and modify cars. It's car math made simple.
81 calculation pages, most with multiple calculations110 graphs19 conversion pages15 optimization pages to help you reach your automotive performance goals

Car Math Pro is the tool you need!

General: 2 calculation pages and 3 graphsConditions including density altitudeFuel including blends, additives, nitrous oxide

Engines: 22 calculation pages and 25 graphs2-stroke or 4-strokeCamshaftCombustion chamber volumeCompression ratioPiston dish or dome volumeDisplacementEfficiency, BMEP, BSFCEFI fuel injectionAir and fuel flowExhaust header and collectorFuel injectorsIntake manifoldMaximum engine speedFuel octane requirementPiston position, velocity, acceleration, forcePort velocityPower and torqueSupercharger and turbocharger support

Turbochargers: 6 calculation pages and 6 graphsBoost curveTurbo compressor mapTurbocharger sizing and selectionIntercooler efficiencyTurbocharger system temperatures, pressures, and flow

Chassis: 13 calculation pages and 26 graphsBattery voltage, density, charge level, freezing point, and self-discharge rateCenter of gravity in three dimensions, side and end weights, diagonal weights, weight distributionCoolant boiling and freezing pointAerodynamic drag coefficient and rolling resistance coefficientDrag force and power loss due to aerodynamic dragDriveshaft speedFrontal areaGear ratio based on vehicle performance or gear tooth countOverall gear ratioShift points based on torque peak, power curve, or redlineSpeedometer errorWing downforce and drag

Suspension: 11 calculation pages and 20 graphsAnti-dive, anti-lift, and anti-squat geometryAnti-roll bar rate for tubular or solid barsCoil and leaf spring rateTorsion bar stiffnessSuspension frequenciesSteering geometryStrut, wishbone (A-arm), and 4-link suspension geometry

Performance: 10 calculation pages and 17 graphsAcceleration simulationAcceleration weight transferBraking performance simulationBraking weight transferCornering simulationCornering weight transferDragstripSteady-state goingHorsepower and torque based on accelerationPower curve inputShift pointsSpeeds in gearsTop speed (theoretical and actual)

Brakes: 7 calculation pages and 4 graphsBrake pedal ratioBraking rate, performance, time, distance, force, reaction time, weight transfer, balanceCaliper and master cylinder piston size and areaSystem vacuum and pressuresBrake caliper clamping pressure and dragBrake rotor drag and torque

Tires: 4 calculations and 8 graphsTire selectionTire sizingTire staggerTire temperatures

Racing strategy: 6 calculation pages and 3 graphsStrategy inputsRequired stopsAll stopsStintsStrategy summaryStrategy details

Costs: 4 calculation pages and 2 graphsBoltsFractionsGaugesHoseStatisticsTrigonometryWeights

Reference: 7 calculation pages and 3 graphsRefuelingFuel consumptionFuel costsDriving costs

Conversions: 19 conversion pagesAccelerationAngleAreaDensityFlow by massFlow by volumeForceFuel consumptionLength / distanceNumberPowerPressureSpeed / velocitySpring rateTemperatureTimeTorqueVolume / capacityWeight / mass

Optimizations: 15 optimization pagesAccelerationBrakingCorneringDirectional stabilityEighth-mileEngine efficiencyEngine flowEngine powerEngine torqueMileageQuarter-mileStanding startTop speedTractionTurn-in

Car Math Pro is easy and fun to useAdvanced, reliable, and proven algorithmsUnlimited vehicle and configuration filesContext-based online helpMetric and English inputs and outputs

Category : Auto & Vehicles

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Reviews (25)

Tat. Y. May 20, 2022     

Best app for turbocharger math. Please add more compressor maps to your server/web

Pau. C. Jan 7, 2019     

I'm impressed by the comprehensive data structure and the very full range of calculations possible. Unfortunately the example data is all in non-SI units, and the vehicles listed are very US-centric. I would give this 5 stars (or even more if that were possible) if the units could be chosen on initial setup and consistently maintained, and if the example data was left out so as to avoid making assumptions about how the user wants to utilize the app.

Mic. M. Jul 20, 2019     

Car Math Pro has exceeded my expectations by leaps and bounds. I bought this app to analyze camshaft options for race engines. It includes an excellent camshaft calculator that renders the cam profile in two types of graphs that can be printed and analyzed. But this barely scratches the surface of what it can do. What this app does best, and what makes it worth the few dollars it costs, is it helps the user make better decisions about which components and settings best meet the user's needs.

pja. Jul 14, 2019     

No experience... I tried about 6 random menu's, an nothing works unless the addtional modules are purchased. Which means this entire app is just about an ad for the actual app you need to buy to. do anything.

Dav. E. Feb 14, 2020     

My God!! The Automotive Techincal Information is Totally Fantastic!!! As, the Techincal Info is So Deep, So Complete & So Sweet!! I Love this Automotive Technical app❗❗❗

Ron. O. Oct 28, 2020     

Why can I not "add" a transmission to the list when I'm filling out my vehicle's stats? Add feature please or add Honda's M6HA 4-speed Automatic please.

AFK. 1. Oct 10, 2018     

Would be good to add information for diesel engines as there is still a big market for that and I would certainly pay extra for it

rog. w. Mar 11, 2022     

Unless you pay for the upgrade it's worthless

Wil. Z. Nov 13, 2019     

worked Great till about 3 or 5 months ago, now can't even open the app on my note 9

B. H. Feb 23, 2019     

This is am unbelievably useful and cool app! Thank you for creating this.

Asi. T. Jul 4, 2019     

its a great app. its a useful app to calculate car maths. i love this app its a worthy app.

Adr. H. May 2, 2020     

Shocking. Only a few cars on there, not a single nissan. Dont waste your time downloading. Edit, there are no street cars on there!! Now u remove ur response of my review. 🤔 Edit 3 - and they are street cars? No Nissans (R35, R34, R33, R32, 370Z, 350Z, 200sx (s14/a, s13)) not a single nissan... what do u actually class as a street car? Corsa, Honda, Fiesta???

Jan. S. Sep 3, 2019     

I think I need to buy this app...

ham. n. May 18, 2020     

Thats very usefull

hap. s. Feb 2, 2020     

Ez to fill out and learn

Ben. H. Apr 5, 2019     

its awsome

A. G. u. Apr 12, 2018     

car math pro is the best. Its very important to me to know the top-speeds of vehicles. Im obessed with wanting to know the top-speeds of vehicles. I that car math pro will take up to 80psi in the tire pressure imput. And I like that I can calculate the engine displacement of the cars that I calculate top-speeds of just like the windows version of speed wiz. I recomend this app to anyone who feels good from knowing top-speeds of cars just like me.

Joh. S. May 25, 2018     

Very useful app thank you

A. G. u. Jan 27, 2018     

It doesn't work in android. I paid for it but useless.

Ed. S. Mar 3, 2017     

Requires additional fees to use, a demand that should be clearly stated in the description summary.

Fuo. S. Feb 21, 2017     

Nothing is free. Very expensive

Kob. J. O. Sep 8, 2016     

Bought the full package, had a small problem and great help from Brian to direct my finger problem to the correct buttons. Love it.

Mit. F. Sep 6, 2016     

Amazing software from Speed-Wiz! It will take quite a while to realize all of the capabilities of this app. Extremely well designed!

And. R. Feb 6, 2017     

The app is perfect, same tools and capabilities from the desktop app on you hand. I work developing experimental vehicles and this app is a game changer.

Pie. C. May 25, 2017     

Nearly all features locked behind paywall