Ångström (Å)
One ten-billionth of a meter (0.1 nanometer).
What is an ångström?
- Symbol
- Å
- Quantity
- Length
- Unit system
- metric
- Definition
- One ten-billionth of a meter (0.1 nanometer).
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in crystallography, chemistry and spectroscopy for atomic radii, bond lengths and wavelengths.
Ångström in other length units
- 1 Å = 0.1 nmNanometer
- 1 Å = 0.0001 µmMicrometer
- 1 Å = 1e-7 mmMillimeter
- 1 Å = 1e-8 cmCentimeter
- 1 Å = 1e-10 mMeter
- 1 Å = 1e-13 kmKilometer
- 1 Å ≈ 0.000003937007874 milMil (thou)
- 1 Å ≈ 3.937007874e-9 inInch
- 1 Å ≈ 3.280839895e-10 ftFoot
- 1 Å ≈ 1.093613298e-10 ydYard
- 1 Å ≈ 6.213711922e-14 miMile
- 1 Å ≈ 5.399568035e-14 nmiNautical mile
Ångström quick reference
| Ångström | Meter | Foot | Nanometer |
|---|---|---|---|
| 1 Å | = 1e-10 m | ≈ 3.280839895e-10 ft | = 0.1 nm |
| 10 Å | = 1e-9 m | ≈ 3.280839895e-9 ft | = 1 nm |
| 100 Å | = 1e-8 m | ≈ 3.280839895e-8 ft | = 10 nm |
| 1000 Å | = 1e-7 m | ≈ 3.280839895e-7 ft | = 100 nm |
Where the ångström fits
The next larger length unit is the nanometer (nm). 1 Å = 0.1 nm, and 1 nm = 10 Å.
Frequently asked questions
- How many meters are in one ångström?
- One ångström = 1e-10 m (meters).
- How many feet are in one ångström?
- One ångström ≈ 3.280839895e-10 ft (feet).
- How many nanometers are in one ångström?
- One ångström = 0.1 nm (nanometers).