Unit converter

1 m in every length unit

Pick a second unit (type "1 m to …") for the formula from one to the other.

• Metrem
• Kilometrekm
• Centimetrecm
• Millimetremm
• Micrometreµm
• Nanometrenm
• Inchin
• Footft
• Yardyd
• Milemi
• Nautical milenmi
• Mil (thou)mil
• Furlongfur
• Astronomical unitau
• Light-yearly

Every unit of a kind at once, both ways: type in any box and the rest follow. Exact: each unit comes from its definition (an inch is 0.0254 m, a pound 0.45359237 kg, a US gallon 231 cubic inches), worked out as fractions, and rounded only when shown, to the precision you choose.

Common converters: Length, Weight and mass, Temperature, Volume, Area, Speed, Time, Data storage, Pressure, Energy, Power, Force, Angle, Frequency, Fuel consumption
Engineering converters: heat, fluids, light, electricity, magnetism, radiology: Heat: thermal conductivity, Fluids: flow rate, Light: illuminance, Electricity: charge, Magnetism: flux density, Radiology: absorbed dose, Radiology: radioactivity