100 millimeters to meters

100 millimeters = 0.1 meters

Rounded to a practical precision: 0.1 m.

millimeters

meters

How the calculation works

One millimeter is 0.001 meters, so:

100 mm × 0.001 = 0.1 m

Reversing it, 0.1 meters ÷ 0.001 returns 100 millimeters.

Nearby values

Millimeters	Meters
60 mm	0.06 m
70 mm	0.07 m
80 mm	0.08 m
90 mm	0.09 m
100 mm	0.1 m
110 mm	0.11 m
120 mm	0.12 m
130 mm	0.13 m
140 mm	0.14 m

In everyday terms, 100 millimeters is roughly the width of a hand.

About these units

Millimeter (mm) — A millimetre is one thousandth of a metre and is the default unit on engineering drawings and rulers.

Meter (m) — The metre is the SI base unit of length, defined since 1983 as the distance light travels in a vacuum in 1/299,792,458 of a second.

Frequently asked questions

How many meters is 100 millimeters?

100 millimeters is 0.1 meters.

How do I convert millimeters to meters myself?

Multiply by 0.001. To go back, divide by 0.001 — or multiply by 1,000.

Is this figure exact?

The conversion factor between the millimeter and the meter is fixed by definition. The figure above is rounded for readability; the converter carries full precision.

Convert other values

Full millimeters to meters converter · All length converters