Convert meters to millimeters

1 m = 1000 mm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

1000mm
✓ Exact 1 m = 1000 mm
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1 m = 1000 mm
Show this value in all 50 length units
  • Gigameters Gm 1e-9
  • Megameters Mm 0.000 001
  • Kilometers km 0.001
  • Hectometers hm 0.01
  • Decameters dam 0.1
  • Meters m 1
  • Decimeters dm 10
  • Centimeters cm 100
  • Millimeters mm 1000
  • Micrometers µm 1 000 000
  • Nanometers nm 1 000 000 000
  • Picometers pm 1 000 000 000 000
  • Femtometers fm 1 000 000 000 000 000
  • Inches in 39.370 078 740 2
  • Feet ft 3.280 839 895 01
  • Yards yd 1.093 613 298 34
  • Miles mi 0.000 621 371 192 237
  • Nautical miles nmi 0.000 539 956 803 456
  • Thous thou 39 370.078 740 2
  • Hands hh 9.842 519 685 04
  • Links li 4.970 969 537 9
  • Spans span 4.374 453 193 35
  • Cubits cubit 2.187 226 596 68
  • Ells ell 0.874 890 638 67
  • Fathoms ftm 0.546 806 649 169
  • Rods rd 0.198 838 781 516
  • Chains ch 0.049 709 695 379
  • Furlongs fur 0.004 970 969 537 9
  • Leagues lea 0.000 207 123 730 746
  • Barleycorns barleycorn 118.110 236 22
  • US survey feet ft (US) 3.280 833 333 33
  • US survey miles mi (US) 0.000 621 369 949 495
  • Ångströms Å 10 000 000 000
  • Microns µ 1 000 000
  • Bohr radiuss a₀ 18 897 261 259.1
  • Planck lengths ℓₚ 6.18714249917e+34
  • Astronomical units au 6.68458712227e-12
  • Light-years ly 1.05700083402e-16
  • Light-seconds ls 3.33564095198e-9
  • Light-minutes lmin 5.55940158664e-11
  • Parsecs pc 3.24077928944e-17
  • Kiloparsecs kpc 3.24077928944e-20
  • Megaparsecs Mpc 3.24077928944e-23
  • Solar radiuss R☉ 1.43740117867e-9
  • Earth radiuss R🜨 0.000 000 156 961 230 576
  • Point (DTP)s pt 2834.645 669 29
  • Picas pc 236.220 472 441
  • Scandinavian miles mil 0.0001
  • Versts вер 0.000 937 382 827 147
  • Lis 里 0.002

Every row is Meter (m) converted through the meter, in exact rational arithmetic.

How to convert meters to millimeters

Multiply the number of meters by 1000 to get millimeters.

The exact factor is 1000 .

Meter to Millimeter conversion table

Meters (m) Millimeters (mm)
1 m 1000
2 m 2000
3 m 3000
5 m 5000
10 m 10 000
20 m 20 000
25 m 25 000
50 m 50 000
100 m 100 000
250 m 250 000
500 m 500 000
1000 m 1 000 000

Millimeter to Meter conversion table

Millimeters (mm) Meters (m)
1 mm 0.001
2 mm 0.002
3 mm 0.003
5 mm 0.005
10 mm 0.01
20 mm 0.02
25 mm 0.025
50 mm 0.05
100 mm 0.1
250 mm 0.25
500 mm 0.5
1000 mm 1

Frequently asked

How many millimeters are in a meter?

One meter equals 1000 millimeters (m → mm). That figure is exact, not rounded.

How do you convert meters to millimeters?

Multiply the number of meters by 1000 to get millimeters.

What is 1 mm in meters?

One millimeter is 0.001 meters.

What is 10 m in mm?

10 m = 10 000 mm.

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