Car Math Pro

All the reliable, accurate functionality, fast performance, and great features you know and love — now available for your Android™ devices!

  • Over 125 calculation pages, many with multiple calculations
  • Over 175 graphs
  • 23 conversion pages
  • 28 optimization pages help you reach your automotive performance goals
  • Custom graphs for comparing vehicle attributes and performance

General: 8 calculation pages and 7 graphs
Vehicle
Engine
Transmission
Differential
Chassis
Wheels and tires
Conditions including density altitude
Fuel including blends, additives, nitrous oxide

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

Chassis: 16 calculation pages and 31 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
Aero drag coefficient and rolling resistance coefficient
Drag force and power loss due to aero 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

Costs: 8 calculation pages and 4 graphs
Refueling
Fuel consumption
Fuel costs
Recharging
Electricity consumption
Electricity cost
Driving costs
Loan payments

Engines: 23 calculation pages and 31 graphs
2-stroke or 4-stroke
Camshaft
Combustion chamber volume
Compression ratio
Cylinder volume
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
Valve motion

Electric vehicles: 12 calculation pages and 21 graphs
EV list
EV acceleration
EV battery
EV charging 1
EV charging 2
EV efficiency
EV motors
EV range
EV savings 1
EV savings 2
EV top speed
EV torque curve

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

Suspension: 13 calculation pages and 32 graphs
Anti-dive, anti-lift, and anti-squat geometry
Anti-roll bar rate for tubular or solid bars
Coil and leaf spring rate
Four-link geometry
Motion ratio
Torsion bar stiffness
Suspension rates and frequencies
Steering geometry
Strut, wishbone (A-arm), and 4-link suspension geometry

Performance: 13 calculation pages and 21 graphs
Acceleration simulation
Acceleration weight transfer
Cornering simulation
Cornering weight transfer
Dragstrip
Steady-state going
Horsepower and torque based on acceleration
Power curve input
Range
Speeds in gears
Top speed (theoretical and actual)

Tires: 4 calculation pages and 8 graphs
Tire selection
Tire sizing
Tire stagger
Tire temperatures

Racing strategy: 6 calculation pages and 4 graphs
Strategy inputs
Required stops
All stops
Stints
Strategy summary
Strategy details

Conversions: 23 conversion pages
Acceleration
Angle
Area
Density
Energy
Energy consumption
Flow by mass
Flow by volume
Force
Frequency
Fuel consumption
Length / distance
Number
Power
Power-to-weight ratio
Pressure
Speed / velocity
Spring rate
Temperature
Time
Torque
Volume / capacity
Weight / mass

Optimizations: 28 optimization pages
Acceleration
Aerodynamic drag
Boost curve
Braking
Cornering balance
Cornering speed
Directional stability
Eighth-mile
Engine efficiency
Engine flow
Engine power
Engine redline
Engine reliability
Engine torque
EV battery life
Exhaust system
Fun
Inertia
Mileage
Quarter-mile
Range
Resale value
Standing start
Tire wear
Top speed
Traction
Turn-in
Weight reduction

Custom graphs: 3 pages
Combine one or more vehicles on one graph
Select from over 350 graph types

Easy and fun to use
Advanced, reliable, and proven algorithms
Unlimited vehicle and configuration files
Comprehensive help
Metric and English inputs and outputs

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