Conversion Result
20 pounds is approximately equal to 89.81 newtons.
This conversion is based on the fact that 1 pound-force equals about 4.44822 newtons. Therefore, multiplying 20 pounds by this factor gives the equivalent force in newtons, which measures how much force gravity exerts on that weight.
Conversion Tool
Result in newtons:
Conversion Formula
The formula to convert pounds to newtons multiplies the weight in pounds by 4.44822, which is the force in newtons of one pound-force. This works because pounds measure force, and the conversion factor directly relates pounds to newtons based on Earth’s gravity.
For example, if you have 20 pounds, the math is 20 * 4.44822 = 89.7644 newtons.
Conversion Example
- Convert 10 pounds: 10 * 4.44822 = 44.4822 newtons.
- Convert 50 pounds: 50 * 4.44822 = 222.411 newtons.
- Convert 100 pounds: 100 * 4.44822 = 444.822 newtons.
- Convert 5 pounds: 5 * 4.44822 = 22.2411 newtons.
- Convert 30 pounds: 30 * 4.44822 = 133.4466 newtons.
Conversion Chart
| Pounds | Newtons |
|---|---|
| -5.0 | -22.2411 |
| 0.0 | 0.0 |
| 5.0 | 22.2411 |
| 10.0 | 44.4822 |
| 15.0 | 66.7233 |
| 20.0 | 89.7644 |
| 25.0 | 111.9055 |
| 30.0 | 134.0466 |
| 35.0 | 156.1877 |
| 40.0 | 178.3288 |
| 45.0 | 200.4699 |
Use this chart to quickly find the approximate Newtons for pounds within this range. Read across the row for the value in pounds and see the corresponding force in Newtons.
Related Conversion Questions
- How many newtons are in 20 pounds of force?
- What is the force in newtons for a 20-pound object?
- Convert 20 pounds to newtons, what do I get?
- How do I turn pounds into newtons for a weight of 20 pounds?
- What is the Newton equivalent of 20 pounds?
- Can you tell me how many newtons equal 20 pounds?
- How much force in newtons does 20 pounds represent?
Conversion Definitions
Pounds
Pounds are units of force used mainly in the US customary system, representing the weight or gravitational force exerted on an object, with one pound-force equal to approximately 4.44822 newtons. It measures how gravity pulls on a mass.
Newtons
Newtons are SI units of force, defined as the force needed to accelerate a 1-kilogram mass by 1 meter per second squared. It quantifies the push or pull acting on an object, and is used worldwide in scientific measurements.
Conversion FAQs
Why is the conversion factor from pounds to newtons 4.44822?
This value comes from Earth’s gravity, where 1 pound-force equals the force exerted on a mass of 1 pound under standard gravity (approximately 9.80665 m/s²). Multiplying mass in pounds by this factor converts it into force in newtons.
Can I convert pounds directly to kilograms and then to newtons?
Yes, you can convert pounds to kilograms by dividing by 2.20462, then multiply by 9.80665 m/s² (gravity) to get newtons, which measures force. But directly multiplying pounds by 4.44822 is simpler for force conversions.
Is there a difference between pounds as weight and pounds as force?
Yes, pounds can refer to weight (mass) in the imperial system or force. Pounds-force measure actual force exerted, while pounds-mass refer strictly to mass. The conversion to newtons uses pounds-force, which accounts for gravity’s effect.
What applications require converting pounds to newtons?
Engineering, physics, and scientific research often need to convert force measurements from imperial units like pounds to SI units like newtons for consistency and accuracy in calculations and design.