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.

97 automotive calculation pages, most with multiple calculations
122 graphs
19 conversion pages
15 optimization pages to help you reach your automotive performance goals

Car Math Pro is the tool you need!

General: 7 calculation pages and 7 graphs
Vehicle
Engine
Transmission
Differential
Chassis
Conditions including density altitude
Fuel including blends, additives, nitrous oxide

Engines: 22 calculation pages and 25 graphs
2-stroke or 4-stroke
Camshaft
Combustion chamber volume
Compression ratio
Piston dish or dome volume
Displacement
Efficiency, BMEP, BSFC
EFI fuel injection
Air and fuel flow
Exhaust header and collector
Fuel injectors
Intake manifold
Maximum engine speed
Fuel octane requirement
Piston position, velocity, acceleration, force
Port velocity
Power and torque
Supercharger and turbocharger support

Turbochargers: 6 calculation pages and 6 graphs
Boost curve
Turbo compressor map
Turbocharger sizing and selection
Intercooler efficiency
Turbocharger system temperatures, pressures, and flow

Chassis: 13 calculation pages and 26 graphs
Battery voltage, density, charge level, freezing point, and self-discharge rate
Center of gravity in three dimensions, side and end weights, diagonal weights, weight distribution
Clutch pedal
Clutch fork
Clutch hydraulics
Coolant boiling and freezing point
Aerodynamic drag coefficient and rolling resistance coefficient
Drag force and power loss due to aerodynamic drag
Driveshaft speed
Frontal area
Gear ratio based on vehicle performance or gear tooth count
Overall gear ratio
Shift points based on torque peak, power curve, or redline
Speedometer error
Wing downforce and drag

Suspension: 11 calculation pages and 20 graphs
Anti-dive, anti-lift, and anti-squat geometry
Anti-roll bar rate for tubular or solid bars
Coil and leaf spring rate
Torsion bar stiffness
Suspension frequencies
Steering geometry
Strut, wishbone (A-arm), and 4-link suspension geometry

Performance: 10 calculation pages and 17 graphs
Acceleration simulation
Acceleration weight transfer
Braking performance simulation
Braking weight transfer
Cornering simulation
Cornering weight transfer
Dragstrip
Steady-state going
Horsepower and torque based on acceleration
Power curve input
Shift points
Speeds in gears
Top speed (theoretical and actual)

Brakes: 7 calculation pages and 4 graphs
Brake pedal ratio
Braking rate, performance, time, distance, force, reaction time, weight transfer, balance
Caliper and master cylinder piston size and area
System vacuum and pressures
Brake caliper clamping pressure and drag
Brake rotor drag and torque

Tires: 4 calculations and 8 graphs
Tire selection
Tire sizing
Tire stagger
Tire temperatures

Racing strategy: 6 calculation pages and 3 graphs
Strategy inputs
Required stops
All stops
Stints
Strategy summary
Strategy details

Costs: 4 calculation pages and 2 graphs
Bolts
Fractions
Gauges
Hose
Statistics
Trigonometry
Weights

Reference: 7 calculation pages and 3 graphs
Refueling
Fuel consumption
Fuel costs
Driving costs

Conversions: 19 conversion pages
Acceleration
Angle
Area
Density
Flow by mass
Flow by volume
Force
Fuel consumption
Length / distance
Number
Power
Pressure
Speed / velocity
Spring rate
Temperature
Time
Torque
Volume / capacity
Weight / mass

Optimizations: 15 optimization pages
Acceleration
Braking
Cornering
Directional stability
Eighth-mile
Engine efficiency
Engine flow
Engine power
Engine torque
Mileage
Quarter-mile
Standing start
Top speed
Traction
Turn-in

Car Math Pro is easy and fun to use
Advanced, reliable, and proven algorithms
Unlimited vehicle and configuration files
Context-based online help
Metric and English inputs and outputs