Automotive

Fuel economy, car loans, and vehicle calculations

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Calculate MPG and fuel costs for trips

Calculate auto loan payments and interest

Calculate your car's MPG, L/100km, and trip fuel cost.

Automotive calculators — frequently asked questions

Quick answers about the automotive tools on Mathify.

What automotive calculators are available?+

Fuel economy (MPG), car loan, trip cost, and gas mileage tools.

How is MPG calculated?+

MPG divides miles driven by gallons used; metric users see liters per 100 km.

Is the car loan calculator free?+

Yes. It estimates monthly payments and total interest at no cost.