Measurement reference
Unit Conversion Calculators & Tables
Start from the unit you already have. Each reference combines a live multi-unit converter with the unit definition, conversion factors and a computed common-values table.
Length conversions
in
Inch Conversion Calculator & Table
Convert inches to feet, centimeters, millimeters, meters and yards. See exact factors, common values and the live length converter.
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ft
Foot Conversion Calculator & Table
Convert feet to inches, meters, centimeters, yards and millimeters with a live calculator, conversion factors and common values.
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mm
Millimeter Conversion Calculator & Table
Convert millimeters to inches, centimeters, meters and feet with exact factors, common values and a live length converter.
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cm
Centimeter Conversion Calculator & Table
Convert centimeters to inches, millimeters, meters and feet with exact factors, common values and a live converter.
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m
Meter Conversion Calculator & Table
Convert meters to feet, inches, centimeters, millimeters and kilometers with a live converter and common-value table.
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Volume conversions
gal
US Gallon Conversion Calculator & Table
Convert US liquid gallons to liters, milliliters and cubic feet with a live volume converter and common-value table.
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L
Liter Conversion Calculator & Table
Convert liters to US liquid gallons, milliliters and cubic feet with a live converter, factors and common values.
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Weight / mass conversions
kg
Kilogram Conversion Calculator & Table
Convert kilograms to pounds, grams and ounces with a live weight converter, exact factors and common-value table.
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lb
Pound Conversion Calculator & Table
Convert pounds to kilograms, grams and ounces with a live weight converter, factors and common values.
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Speed conversions
mph
Miles per Hour Conversion Calculator & Table
Convert mph to km/h, m/s, ft/s and knots with a live speed converter, factors and common-value table.
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km/h
Kilometers per Hour Conversion Calculator & Table
Convert km/h to mph, m/s, ft/s and knots with a live speed converter, factors and common-value table.
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Why the unit definition matters
Similar names can refer to different standards. MAXScanner keeps distinctions such as US liquid gallon versus imperial gallon and decimal file units versus binary file units explicit instead of silently substituting one convention for another.
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