An angstrom is 1e-10 meters.
Angstroms to Picas Converter — A to pc
Convert Angstrom (A) to Pica (pc) using the exact conversion factor (1 angstrom = 2.362205e-8 pica). See the formula, worked examples, conversion table, history, and common uses.
Angstroms to Picas converter
Converter
Length Converter
Convert SI, imperial, US customary, astronomical, scientific, and historical length units.
Context values
Some unit families need one extra value for a physically accurate result.
A pica is 12 points.
Result = input x 1e-10 / 0.004233333333.
Length uses the meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Angstroms to Picas
Angstrom and Pica both measure length. Angstrom is most often used for atomic and ionic radii in chemistry.
Formula
picas = angstroms × 2.362205e-8
This factor comes from each unit's defined relationship to the category's base unit: 1 angstrom equals 1e-10 base units, and 1 pica equals 0.004233333333 base units, so dividing one by the other gives the direct angstrom-to-pica factor of 2.362205e-8.
Simple example
1 A × 2.362205e-8 = 2.362205e-8 pc
1 angstrom = 2.362205e-8 picas.
Real-world example
10 A × 2.362205e-8 = 2.362205e-7 pc
10 angstroms = 2.362205e-7 picas.
Conversion table
| Angstrom (A) | Pica (pc) |
|---|---|
| 1 A | 2.362205e-8 pc |
| 5 A | 1.181102e-7 pc |
| 10 A | 2.362205e-7 pc |
| 21.0975 A | 4.983661e-7 pc |
| 42.195 A | 9.967323e-7 pc |
| 100 A | 0.0000023622 pc |
Reverse conversion: Pica to Angstrom
2.362205e-8 pc × 42333333.33 = 1.000000117 A
2.362205e-8 picas = 1.000000117 angstroms.
angstroms = picas × 42333333.33
For a page dedicated to this direction, see Pica to Angstrom.
Understanding the Angstrom
Angstrom (A) measures length. Equal to exactly 10⁻¹⁰ meters (0.1 nanometers) — a scale convenient for describing atomic radii, bond lengths, and crystal structures. It is classified as a non-SI unit, still common in chemistry and crystallography.
Where it's used: Widely used internationally in chemistry, crystallography, and atomic/molecular physics
Uses of the Angstrom today
- Atomic and ionic radii in chemistry
- Chemical bond-length measurements
- X-ray crystallography and wavelength measurements
History of the Angstrom
The angstrom is named after Anders Jonas Ångström (1814–1874), a Swedish physicist and one of the founders of spectroscopy, who used the unit in his 1868 atlas of the solar spectrum.
Historical origin. Angstrom was not the invention of a single named person; it developed through the process described above.
Understanding the Pica (pc)
A pica is 12 points.
Angstrom — sources
- NIST Guide to the SI, Appendix B — Lists the angstrom among non-SI units still in use with an exact SI equivalence.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many picas are in 1 angstrom?
1 angstrom equals 2.362205e-8 picas, using the exact defined conversion factor rather than an estimate.
How do I convert angstrom to pica?
Multiply the angstrom value by 2.362205e-8. The converter above does this instantly to whatever precision you set.
How do I convert pica back to angstrom?
Use the reverse factor: 1 pica equals 42,333,333.33 angstroms. You can also use the swap control in the converter above to flip the direction instantly.
What is a angstrom?
Angstrom (A) measures length. Equal to exactly 10⁻¹⁰ meters (0.1 nanometers) — a scale convenient for describing atomic radii, bond lengths, and crystal structures. It is classified as a non-SI unit, still common in chemistry and crystallography.
What is a pica?
Pica (pc) is a unit of length.
Is the angstrom to pica conversion exact?
Yes. Equal to exactly 10⁻¹⁰ meters (0.1 nanometers) — a scale convenient for describing atomic radii, bond lengths, and crystal structures. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
Where is the angstrom still used today?
Widely used internationally in chemistry, crystallography, and atomic/molecular physics