Convert Angstroms to Feet
1 angstrom (Å) equals 3.280839895 × 10⁻¹⁰ feet (ft).
1 Å = 3.280839895e-10 ft
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk angstrom to foot converter to paste a column from Excel.
How to Convert Angstrom to Foot
- 1 Å = 3.280839895 × 10⁻¹⁰ ft
- 1 ft = 3048000000 Å
- Example: convert 15 Å to ft: 15 Å = 15 × 3.280839895 × 10⁻¹⁰ ft = 4.921259843 × 10⁻⁹ ft
Reference conditions. ft: The international yard and pound agreement (1959) fixed 1 yard = 0.9144 m exactly, so the inch, foot and mile are exact.
Formula
ft = Å ÷ 3048000000
Derivation from SI units:
- 1 Å = 10⁻¹⁰ m = 0.1 nm
- 1 ft = 12 in = 0.3048 m (exact)
- 1 Å = 1 × 10⁻¹⁰ m ÷ 0.3048 m per ft = 3.280839895013 × 10⁻¹⁰ ft
Both units are defined exactly, so the factor is exact. Angstrom definition: angstrom; Foot definition: foot.
Worked examples
- A reading of 2 Å converts to 6.56167979 × 10⁻¹⁰ ft.
2 Å × 3.280839895 × 10⁻¹⁰ = 6.56167979 × 10⁻¹⁰ ft - A value of 50 Å is 1.640419948 × 10⁻⁸ ft.
50 Å × 3.280839895 × 10⁻¹⁰ = 1.640419948 × 10⁻⁸ ft
Angstrom to Foot conversion table
| Angstroms (Å) | Feet (ft) |
|---|---|
| 0.5 Å | 1.640419948 × 10⁻¹⁰ ft |
| 1 Å | 3.280839895 × 10⁻¹⁰ ft |
| 1.5 Å | 4.921259843 × 10⁻¹⁰ ft |
| 2 Å | 6.56167979 × 10⁻¹⁰ ft |
| 3 Å | 9.842519685 × 10⁻¹⁰ ft |
| 5 Å | 1.640419948 × 10⁻⁹ ft |
| 10 Å | 3.280839895 × 10⁻⁹ ft |
| 50 Å | 1.640419948 × 10⁻⁸ ft |
| 100 Å | 3.280839895 × 10⁻⁸ ft |
| 1000 Å | 3.280839895 × 10⁻⁷ ft |
| 5000 Å | 0.000001640419948 ft |
Where it's used
Angstroms are used for atomic radii and bond lengths (C–C ≈ 1.54 Å), while feet appear in building dimensions and ceiling heights in the US. Both measure length and distance, so the conversion is a fixed factor.
Angstrom to other length units
| Conversion | 1 Å equals |
|---|---|
| angstrom to meter | 1 × 10⁻¹⁰ m |
| angstrom to kilometer | 1 × 10⁻¹³ km |
| angstrom to centimeter | 1 × 10⁻⁸ cm |
| angstrom to millimeter | 1 × 10⁻⁷ mm |
| angstrom to micrometer | 0.0001 µm |
| angstrom to nanometer | 0.1 nm |
| angstrom to mile | 6.213711922 × 10⁻¹⁴ mi |
| angstrom to yard | 1.093613298 × 10⁻¹⁰ yd |
| angstrom to foot | 3.280839895 × 10⁻¹⁰ ft |
| angstrom to inch | 3.937007874 × 10⁻⁹ in |
| angstrom to mil | 0.000003937007874 mil |
| angstrom to nautical mile | 5.399568035 × 10⁻¹⁴ nmi |
Frequently asked questions
How many feet are in 1 angstrom?
1 Å = 3.280839895 × 10⁻¹⁰ ft.
How do I convert angstroms to feet?
Multiply the value in Å by 3.280839895 × 10⁻¹⁰, or divide it by 3048000000. For example, 15 Å × 3.280839895 × 10⁻¹⁰ = 4.921259843 × 10⁻⁹ ft.
Is the Å to ft conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ångström (Å)".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "foot (ft)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Angstroms to Feet. Retrieved October 17, 2026, from https://scientificconverters.com/length/angstroms-to-feet/
IEEE
Scientific Converters, "Convert Angstroms to Feet," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/length/angstroms-to-feet/