Millimetres to metres converter

Convert millimetres (mm) to metres (m).

Length converter

Instant conversion

Edit either value. Decimals and scientific notation supported.

From value

Measurement format

From unit

To value

Measurement format

To unit

CONVERSION

1 mm ≈ 0.001 m

Display precision

Precision changes displayed rounding, not calculation accuracy.

FORMULAm = mm ÷ 1000

FORMULA & EXAMPLES

How to convert Millimetres to metres

m = mm ÷ 1000

Divide the mm reading by 1000.

Worked examples

25.4 mm ≈ 0.0254 m

25.4 ÷ 1000 ≈ 0.0254

1000 mm ≈ 1 m

1000 ÷ 1000 ≈ 1

Millimetres to metres table

Fixed reference · Millimetre to Metre

Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.

Millimetre (mm)	Metre (m)
0	0
0.1	0.0001
0.5	0.0005
1	0.001
2	0.002
5	0.005
10	0.01
25	0.025
50	0.05
100	0.1
1000	1

Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.

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