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Conversion tables

92 free conversion pages with exact factors, tables and formulas — every one backed by the same NIST/BIPM-sourced engine as the app.

Area

Acre → Square foot Square foot → Acre

Pressure

Bar → Pound / in² Pound / in² → Bar Kilopascal → Pound / in² Pound / in² → Kilopascal Atmosphere → Bar Bar → Atmosphere

Temperature

Celsius → Fahrenheit Fahrenheit → Celsius Celsius → Kelvin Kelvin → Celsius Kelvin → Fahrenheit Fahrenheit → Kelvin

Length

Centimeter → Inch Inch → Centimeter Foot → Inch Inch → Foot Foot → Meter Meter → Foot Inch → Millimeter Millimeter → Inch Kilometer → Mile Mile → Kilometer Meter → Yard Yard → Meter Nautical mile → Mile Mile → Nautical mile Meter → Centimeter Centimeter → Meter Millimeter → Centimeter Centimeter → Millimeter Kilometer → Meter Meter → Kilometer Yard → Foot Foot → Yard

Volume

Cup → Milliliter Milliliter → Cup Gallon → Liter Liter → Gallon Liter → Milliliter Milliliter → Liter Milliliter → Fluid ounce Fluid ounce → Milliliter Pint → Liter Liter → Pint Quart → Liter Liter → Quart Tablespoon → Milliliter Milliliter → Tablespoon Teaspoon → Milliliter Milliliter → Teaspoon Cubic foot → Liter Liter → Cubic foot Gallon → Liter Liter → Gallon

Mass

Gram → Ounce Ounce → Gram Kilogram → Pound Pound → Kilogram Kilogram → Stone Stone → Kilogram Ounce → Pound Pound → Ounce Stone → Pound Pound → Stone Gram → Kilogram Kilogram → Gram Milligram → Gram Gram → Milligram

Power

Horsepower → Watt Watt → Horsepower Kilowatt → Horsepower Horsepower → Kilowatt

Speed

Kilometer / hour → Mile / hour Mile / hour → Kilometer / hour Knot → Mile / hour Mile / hour → Knot Meter / second → Kilometer / hour Kilometer / hour → Meter / second

Energy

Calorie → Joule Joule → Calorie Kilocalorie → Kilojoule Kilojoule → Kilocalorie Kilowatt-hour → British thermal unit British thermal unit → Kilowatt-hour

Angle

Degree → Radian Radian → Degree

Data

Gigabyte → Megabyte Megabyte → Gigabyte Terabyte → Gigabyte Gigabyte → Terabyte

Guides

Best free unit converter Online converter vs app

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