Convert 1 m to mm

How to convert meters to millimeters

1. Formula: millimeters = meters × 1,000
2. Put in the value: 1 meter.
3. Result: 1,000 millimeters.

Meters to millimeters table

Converting the other way: millimeters to meters

meters = millimeters × 0.001. So 1,000 millimeters is back to 1 meter; one millimeter is 0.001 meters. See the millimeters to meters table.

Quick estimate in your head

For a rough answer, multiply by about 1000: 1 × 1000 ≈ 1,000 mm, against the exact 1,000 mm (0.0% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A meter is bigger than a millimeter, so the number of millimeters must come out larger than the number of meters. If your answer goes the other way, divide instead of multiplying.

About the units

Meter (m) and millimeter (mm) are both units of length. One meter equals 1,000 millimeters, and one millimeter equals 0.001 meters. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Length conversions come up in DIY and building plans, running and cycling distances, maps, clothing sizes and travel between countries that use metric and imperial units.

1 meter in other units

The most readable unit for this amount is meters (1).

• 1,000 mm
• 100 cm
• 0.001 km
• 39.370079 in
• 3.28084 ft
• 1.093613 yd
• 0.00062137 mi
• 0.00053996 nmi
• 0.54680665 fm
• 1,000,000 um

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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