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