Conversion Calculators

Convert length, weight, temperature, volume, speed, currency and dozens of other units instantly. 12 tools.

All Conversion calculators

Convert between square meters, square feet, acres, hectares and more, with instant two-way conversion and a table of all units.

Convert amounts between 16 major world currencies with both currency symbols shown and a comparison table for every rate.

Convert storage sizes between bits, bytes, KB, MB, GB, TB and beyond using binary units, with clear decimal versus binary guidance.

Convert energy between joules, kilowatt-hours, calories, BTU, therms and electronvolts, with a full results table for every unit.

Convert fuel economy between mpg (US and UK), L/100km and km/L with the exact formulas and worked steps for any pair.

Convert between meters, kilometers, miles, feet, inches and 10 more length units instantly.

Convert pressure between pascals, bar, psi, atmospheres, mmHg and more, with a complete table of your value in every unit.

Convert speeds between m/s, km/h, mph, knots, ft/s, Mach and km/s with worked steps and a table of every result.

Convert temperatures between Celsius, Fahrenheit, Kelvin and Rankine with the exact formula for every pair of scales.

Convert time between seconds, minutes, hours, days, weeks, months and years, with a clear table of every converted value.

Convert between liters, milliliters, gallons, cups, cubic feet and more, with a table showing any volume in every unit.

Convert between kilograms, pounds, ounces, grams, stones and tons in both directions with a table of every result.

Length Converter · Temperature Converter · Weight Converter . Each tool includes a formula, worked example, step-by-step calculation and FAQ.

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