Automotive Calculators
Useful tools for fuel costs, loans, maintenance, measurements, performance and everyday automotive calculations.
Car Loan Calculator
Estimate monthly payments, total interest and overall vehicle loan cost.
Calculate car loan →Fuel Cost Calculator
Estimate fuel expenses for trips based on distance, MPG and gas price.
Calculate fuel cost →Torque Converter
Convert foot-pounds, inch-pounds, Newton-meters and kilogram-force meters.
Convert torque →Tire Size Calculator
Compare tire diameter, circumference, revolutions per mile and speedometer differences.
Compare tire sizes →Gear Ratio Calculator
Estimate engine RPM from vehicle speed, tire diameter, axle ratio and transmission ratio.
Calculate gear ratio →Horsepower-to-Weight Calculator
Compare horsepower and vehicle weight with useful performance ratios.
Calculate power-to-weight →Speedometer Error Calculator
Estimate actual road speed and speedometer error after changing tire diameter.
Check speedometer error →RPM at Speed Calculator
Estimate engine RPM from vehicle speed, tire diameter, axle ratio and transmission ratio.
Calculate RPM at speed →Useful Automotive Calculators
MyCruncher automotive calculators are designed to make common vehicle calculations quick and easy. Use these tools for car loans, fuel costs, tire sizes, gearing, torque, speedometer changes and vehicle performance.
Whether you are planning a road trip, comparing tire sizes, estimating engine RPM or checking a power-to-weight ratio, these automotive calculators can help you work through the numbers without complicated formulas.
Vehicle, Tire and Performance Tools
The Automotive Calculators section includes everyday tools for drivers, car owners and automotive enthusiasts. More calculators can be added over time for maintenance, measurements, drivetrain setups and performance planning.