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Millinewton (mN)

One thousandth of a newton.

What is a millinewton?

Symbol
mN
Quantity
Force
Unit system
SI
Definition
One thousandth of a newton.
Exact
Yes, the value is exact by definition
Source
SI Brochure, 9th edition (BIPM, 2019)

Common applications

Used for small forces such as spring and contact forces in electronics and precision instruments.

Millinewton in other force units

Millinewton quick reference

Millinewton in other units
MillinewtonNewtonPound-forceKilonewton
1 mN= 0.001 N≈ 0.0002248089431 lbf= 0.000001 kN
10 mN= 0.01 N≈ 0.002248089431 lbf= 0.00001 kN
100 mN= 0.1 N≈ 0.02248089431 lbf= 0.0001 kN
1000 mN= 1 N≈ 0.2248089431 lbf= 0.001 kN

Where the millinewton fits

The next smaller force unit is the dyne (dyn). 1 mN = 100 dyn, and 1 dyn = 0.01 mN.

The next larger force unit is the gram-force (gf). 1 mN ≈ 0.1019716213 gf, and 1 gf = 9.80665 mN.

Frequently asked questions

How many newtons are in one millinewton?
One millinewton = 0.001 N (newtons).
How many pounds-force are in one millinewton?
One millinewton ≈ 0.0002248089431 lbf (pounds-force).
How many kilonewtons are in one millinewton?
One millinewton = 0.000001 kN (kilonewtons).