Atomic units of force (Eh/a₀)
The atomic unit of force is the force between the proton and electron in a hydrogen atom at the Bohr radius.
Convert atomic units of force to any force unit
1 atomic unit of force = 8.2387235 × 10-8 newtons
Quick facts
1 atomic unit of force in other units
| Newtons | 8.2387235 × 10-8 N |
| Pounds-force | 1.8521387 × 10-8 lbf |
| Kilograms-force | 8.4011599 × 10-9 kgf |
| Kilonewtons | 8.2387235 × 10-11 kN |
| Dynes | 0.008238723498 dyn |
| Kips | 1.8521387 × 10-11 kip |
What is an atomic unit of force?
The atomic unit of force is the force between the proton and electron in a hydrogen atom at the Bohr radius.
Where the atomic unit of force sits among force units
The atomic unit of force is number 1 of 18 on our scale of force units, ordered from smallest to largest.
Atomic unit of forcethis unit
Dyne1 dyn = 121.378 Eh/a₀
Newton1 N = 12,137,800 Eh/a₀
Pound-force1 lbf = 53,991,600 Eh/a₀
Kilogram-force1 kgf = 119,031,000 Eh/a₀
Top atomic unit of force conversions
Convert atomic units of force to all 17 other units
Metric (SI)
Gravitational
- Eh/a₀ to lbf
- Eh/a₀ to kgf
- Eh/a₀ to kip
- Eh/a₀ to gf
- Eh/a₀ to tf
- Eh/a₀ to ozf
- Eh/a₀ to pdl
- Eh/a₀ to tonf (US)
- Eh/a₀ to tonf (UK)
Scientific
Convert to atomic units of force
Frequently asked questions
What is an atomic unit of force?
The atomic unit of force is the force between the proton and electron in a hydrogen atom at the Bohr radius.
How is the atomic unit of force defined?
About 8.24 × 10⁻⁸ N.
How many newtons are in an atomic unit of force?
One atomic unit of force equals 8.2387235e-8 newtons.
How many pounds-force are in an atomic unit of force?
One atomic unit of force equals 1.8521387e-8 pounds-force.
How many kilograms-force are in an atomic unit of force?
One atomic unit of force equals 8.4011599e-9 kilograms-force.