Length Conversion Calculators
Length conversions turn a measurement into the unit you need. Convert inches to centimeters, millimeters to inches with a fraction for tools and parts, miles to kilometers or kilometers to miles for trips and runs, or use the length converter for centimeters, meters and feet. Every factor is an exact definition, so results stay precise.
Last updated November 4, 2026
All Length tools
Conversions · Length
Length ConverterMillimeters, centimeters, meters, inches and feet
Conversions · Length
Miles to Kilometers CalculatorConvert miles and kilometers, with meters, feet, yards and nautical miles
Conversions · Length
Millimeters to Inches CalculatorConvert millimeters to inches as decimals and the nearest fraction
Conversions · Length
Inches to CM CalculatorConvert decimal or fractional inches to cm, mm, meters and feet
Conversions · Length
KM to Miles CalculatorConvert kilometers to miles, with race distances and km/h to mph
Conversions · Length
CM to Inches CalculatorConvert centimeters to inches, fractions, feet and inches
Conversions · Length
Feet to Meters ConverterConvert feet to meters with the exact 0.3048 factor, plus centimeters, millimeters and inches
Conversions · Length
Meters to Feet ConverterConvert meters to decimal feet and feet with inches using the exact 0.3048 factor
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Conversions · Cooking & Kitchen
Ounces to Cups CalculatorConvert fluid ounces and ounces by weight to US cups
Conversions · Cooking & Kitchen
Cups to Tablespoons CalculatorConvert cups, tablespoons and teaspoons in US or metric kitchen measures