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Meter (m)

The SI base unit of length, defined by the speed of light in a vacuum.

Result1,000

1 meter = 1,000 millimeters

Meter at a glance

Unit nameMeter (plural: meters)
Symbolm
Quantity measuredLength
Measurement systemSI
Also known asmetre, metres, m
Definition exact?Yes — exact by definition

1 meter in other length units

Unit1 m equals
Nanometer1,000,000,000 nm
Micrometer1,000,000 µm
Millimeter1,000 mm
Centimeter100 cm
Decimeter10 dm
Kilometer0.001 km
Inch39.3700787 in
Foot3.2808399 ft
Yard1.0936133 yd
Mile0.000621371 mi
Nautical mile0.000539957 nmi
Angstrom10,000,000,000 Å
Mil39,370.0787 mil
Fathom0.546806649 ftm
Rod0.198838782 rd
Chain0.049709695 ch
Furlong0.00497097 fur
League0.000207124 lea
Astronomical unit6.68458712 × 10⁻¹² au
Light-year1.05700083 × 10⁻¹⁶ ly
Parsec3.24077929 × 10⁻¹⁷ pc

Popular meter conversions

Frequently asked questions

What is a meter?
The SI base unit of length, defined by the speed of light in a vacuum.
What is the symbol for the meter?
The symbol for the meter is m. It measures length.
How many millimeters are in a meter?
1 meter = 1,000 millimeters.
How many centimeters are in a meter?
1 meter = 100 centimeters.
How many kilometers are in a meter?
1 meter = 0.001 kilometers.