Force Converter
Convert mechanical force and torque units between Newtons, pounds-force, and kilogram-force for physics and engineering calculations.
| Newtons | Pounds-force |
|---|---|
| 10 | 2.24809 |
| 50 | 11.24045 |
| 100 | 22.48089 |
| 200 | 44.96179 |
| 500 | 112.40447 |
| 1,000 | 224.80894 |
| 1,500 | 337.21341 |
| 2,000 | 449.61789 |
Understanding Force & Torque ⚙️
Force is the push or pull applied to an object, causing it to accelerate or deform.
Torque measures how a force causes rotation around an axis.
Both concepts are essential in physics, mechanical engineering, and everyday applications from machinery to structural design.
Key Facts
- Newtons (N) are the SI standard unit of force.
- Pounds-force (lbf) is common in the US for engineering and mechanical applications.
- Kilogram-force (kgf) approximates the weight of a mass under Earth's gravity.
- 1 N ≈ 0.2248 lbf, 1 kgf ≈ 9.81 N - useful for quick conversions.
Formulas
lbf = N × 0.2248- Convert Newtons to pounds-force.N = lbf ÷ 0.2248- Convert pounds-force to Newtons.kgf = N ÷ 9.81- Convert Newtons to kilogram-force.N = kgf × 9.81- Convert kilogram-force to Newtons.Torque = Force × Distance- Calculate torque from force and distance from pivot (e.g., N·m or lbf·ft).
Practical Force Examples
- A person pushing a door with 50 N at 0.5 m from the hinge → Torque = 25 N·m
- 25 N·m ≈ 18.44 lbf·ft when converted to imperial units
- Lifting a 10 kg object → Force ≈ 98.1 N (10 kg × 9.81 m/s²)
- Automotive bolt torque example: 100 lbf·ft ≈ 135.6 N·m
FAQs
What is the difference between force and torque?
Force is linear and causes acceleration; torque is rotational and depends on force and the distance from the pivot point.
How do I convert between N, lbf, and kgf?
Use the formulas: 1 N ≈ 0.2248 lbf, 1 kgf ≈ 9.81 N. Multiplying or dividing as needed converts between units.
Why is torque in different units?
Torque combines force and distance, so its units are N·m in SI or lbf·ft in imperial. Always ensure consistent units when calculating.