This page converts millinewtons into newtons using the factor 0.001, and shows the reverse figure alongside it. Both units measure force, which is why one number does the whole job.
One thousandth of a newton — the range of surface tension and small actuators. The SI unit: the force that accelerates one kilogram at one metre per second squared.
Mass is not force. A kilogram is a mass; a kilogram-force is the weight of that mass at standard gravity, 9.80665 N. Bathroom scales blur the distinction because they are calibrated for Earth; engineering calculations cannot. Below the calculator there is a step table for the values people look up most, and a second table putting real force figures into newtons so the number you get has something to be compared against.
The formula
millinewtons- The amount you are converting, in millinewtons
0.001- The exact number of newtons in one millinewton
newtons- The converted result
How it works, step by step
- Enter the value in millinewtons.
- It is multiplied by 0.001, the exact factor between the two units.
- The answer is shown in newtons, with the reverse conversion beneath it.
- Check the reference table if you want a figure of comparable size.
Worked examples
An adult’s body weight: 7.8e+05 mN in newtons
An adult’s body weight comes to about 7.8e+05 mN. Multiplying by the factor: 7.8e+05 × 0.001 = 780 N. Dividing the answer back by 0.001 returns the figure you started with, which is the quickest way to check you have the factor the right way up.
Lifting a bag of sugar: 9810 mN in newtons
Lifting a bag of sugar comes to about 9810 mN. Multiplying by the factor: 9810 × 0.001 = 9.81 N. Dividing the answer back by 0.001 returns the figure you started with, which is the quickest way to check you have the factor the right way up.
How to read your score
Frequently asked questions
How many newtons are in one millinewton?
Exactly 0.001. Every figure on this page is that one number multiplied by your input, so the only rounding is at the display step.
What is the formula to convert millinewtons to newtons?
newtons = millinewtons × 0.001. Reversed, millinewtons = newtons ÷ 0.001, which is the same as multiplying by 1000.
Which is the bigger unit, the millinewton or the newton?
The newton. One millinewton is only 0.001 of a newton, so it takes 1000 millinewtons to make one newton.
What does this quantity actually measure?
Both units measure force. That is why a single factor is enough: there is no temperature offset and no material property involved, unlike conversions that cross between different quantities.
What is a millinewton?
One thousandth of a newton — the range of surface tension and small actuators.
What is a newton?
The SI unit: the force that accelerates one kilogram at one metre per second squared.
Why does my answer differ from another converter?
Almost always because the other tool rounded the factor before multiplying. This page keeps full double precision through the calculation and rounds only for display, and it prints the factor it used so you can see where any difference came from.
Millinewtons to newtons reference tables
| Millinewtons | Newtons |
|---|---|
| 0.5 mN | 0.0005 N |
| 1 mN | 0.001 N |
| 2 mN | 0.002 N |
| 3 mN | 0.003 N |
| 5 mN | 0.005 N |
| 10 mN | 0.01 N |
| 20 mN | 0.02 N |
| 25 mN | 0.025 N |
| 50 mN | 0.05 N |
| 75 mN | 0.075 N |
| 100 mN | 0.1 N |
| 250 mN | 0.25 N |
| 500 mN | 0.5 N |
| 1000 mN | 1 N |
| 5000 mN | 5 N |
Exact factor: 1 millinewton = 0.001 newtons.
| Quantity | mN | N |
|---|---|---|
| A sheet of paper’s weight | 49 mN | 0.049 N |
| Lifting a bag of sugar | 9810 mN | 9.81 N |
| A firm handshake | 3e+05 mN | 300 N |
| An adult’s body weight | 7.8e+05 mN | 780 N |
| A climbing rope’s rated load | 2.2e+07 mN | 2.2e+04 N |
| A car’s braking force | 8e+06 mN | 8000 N |
Published reference values, converted with the same factor this page uses.