Automotive
Fuel economy, tire size, and other car calculators.
- Battery CCA / Jump-Starter Size GuideVehicle class → typical CCA range when shopping for a jump starter.
- Fuel Blend Cost CalculatorBlend two fuels by ratio → cost per gallon or liter.
- Fuel Trip Cost CalculatorDistance, MPG or L/100km, and fuel price → estimated trip fuel cost.
- Gear Speed CalculatorTire size, gear ratios, and RPM ↔ road speed.
- MPG & Fuel Cost CalculatorCalculate MPG / L/100km and estimate trip fuel cost.
- Tire Size Speedometer CalculatorCompare tire sizes for speedometer and odometer error.