Planned
Buying a car
Car loan
Estimate monthly payments, total interest and the repayment schedule.
AutoCalc catalog
Car calculators
Practical automotive tools with instant results, clear formulas and no signup. Live calculators are ready to use; planned pages remain unpublished until their calculations are complete.
Available now
Live calculators
Ready
Maintenance
Wheel offset
Compare wheel width and offset, suspension clearance, outer poke, backspacing and fitment.
Open calculatorReady
Maintenance
Gear ratio
Calculate vehicle speed and engine RPM from tire diameter, transmission gear and final drive ratio.
Open calculatorReady
Maintenance
Tire size
Compare tire and wheel sizes, clearance, diameter and speedometer error.
Open calculatorReady
Fuel
Fuel cost and MPG
Calculate fuel cost, gas mileage, MPG, trip fuel use and cost per mile.
Open calculatorReady
Maintenance
Power-to-weight ratio
Calculate horsepower or kilowatts per pound, kilogram and metric ton.
Open calculatorReady
Ownership
Vehicle depreciation
Estimate future value, depreciation by year and vehicle value loss per mile.
Open calculatorReady
Buying a car
Car affordability
Work backward from a monthly payment to an affordable vehicle price with APR, tax, fees and cash credits.
Open calculatorReady
Electric vehicles
EV charging cost
Calculate charging cost, wall energy, charging losses, time, range added and electricity cost per mile.
Open calculatorReady
Trips
Commute cost
Calculate daily, monthly and annual driving costs with gas, parking, tolls and vehicle wear.
Open calculatorComing next
Planned tools
These topics do not get separate indexable pages until the calculator and supporting information are complete.
Planned
Buying a car
Car refinance
Compare a current and new auto loan, monthly savings, total interest and break-even time.
Planned
Buying a car
Auto loan payoff
Estimate payoff time and interest savings from extra auto loan payments.
Planned
Buying a car
Car leasing
Estimate the deposit, monthly payments, residual value and total contract cost.
Planned
Buying a car
Out-the-door price
Add vehicle price, sales tax, dealer fees, registration, trade-in and down payment.