Automotive

11 calculators

Automotive

Fuel economy, car loans, and vehicle calculations

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Fuel Economy Calculator

Calculate MPG and fuel costs for trips

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Car Loan Calculator

Calculate auto loan payments and interest

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Gas Mileage Calculator

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

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All Automotive calculators

Drive Time Calculator

Estimate how long a drive will take from distance and average speed, with city, suburban and highway presets plus time for stops.

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Car Depreciation Calculator

Estimate vehicle value decline with an explicit bounded depreciation curve and purchase inputs.

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Engine Displacement Calculator

Calculate swept engine displacement from bore, stroke, and cylinders.

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Crawl Ratio Calculator

Calculate vehicle crawl ratio from first-gear and final-drive ratios.

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Brake Mean Effective Pressure Calculator

Calculate BMEP from torque, displacement, and explicitly selected engine cycle stroke count.

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Gas–Oil Ratio Calculator

Calculate measured fuel-to-oil composition from two volumes; no manufacturer mixture ratio is assumed.

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Engine Hours to Miles Converter

Convert measured engine hours to estimated miles using an entered average speed, with no vehicle default.

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E-bike Range Calculator

Estimate e-bike range from explicit battery, usable, reserve, and measured consumption inputs.

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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.

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.