Verifiable formulas
We explain the calculation, units and assumptions behind every result.
Car calculations made simple
Every important car calculation in one place
We are building practical calculators for buying, driving, maintaining and owning a car, with clear inputs, transparent formulas and instant results.
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Example result
Trip cost
Distance
650 km
Fuel consumption
8,2 L/100 km
Fuel cost
62,50 ₽ / L3 331 ₽
The result updates as soon as an input changes
Working tools
Car calculators with useful, transparent results
Choose a live calculator. Every tool works without signup, explains its formulas and updates results instantly.
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Maintenance
Wheel offset
Compare wheel width and offset, suspension clearance, outer poke, backspacing and fitment.
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Maintenance
Gear ratio
Calculate vehicle speed and engine RPM from tire diameter, transmission gear and final drive ratio.
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Maintenance
Tire size
Compare tire and wheel sizes, clearance, diameter and speedometer error.
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Fuel
Fuel cost and MPG
Calculate fuel cost, gas mileage, MPG, trip fuel use and cost per mile.
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Maintenance
Power-to-weight ratio
Calculate horsepower or kilowatts per pound, kilogram and metric ton.
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Ownership
Vehicle depreciation
Estimate future value, depreciation by year and vehicle value loss per mile.
Open calculatorThe AutoCalc approach
A calculation should help you make a decision
Current rules
For taxes, insurance and import duties we state the effective period and data source.
Useful breakdowns
We show more than one number, including cost details and intermediate values.