Picometer to Parsec Converter
Unit Converter
Instant · Precise · Universal
32 units available
6 categories total
How to Convert Picometer to Parsec
To convert pm to meters: multiply by 10⁻¹². To convert pm to angstroms: divide by 100.
1 pm = 10⁻¹² m = 0.01 Å = 1,000 fm. One nanometer equals 1,000 picometers.
For example, 1 Picometer (pm) = 3.240756e-29 Parsec (pc).
Picometer to Parsec — Common Values
| Picometer (pm) | Parsec (pc) |
|---|---|
| 0.1 | 3.240756e-30 |
| 0.5 | 1.620378e-29 |
| 1 | 3.240756e-29 |
| 2 | 6.481511e-29 |
| 5 | 1.620378e-28 |
| 10 | 3.240756e-28 |
| 25 | 8.101889e-28 |
| 50 | 1.620378e-27 |
| 100 | 3.240756e-27 |
| 500 | 1.620378e-26 |
| 1000 | 3.240756e-26 |
About Picometer (pm)
Definition
The picometer is a unit of length equal to 10⁻¹² meters, or one trillionth of a meter.
Mathematical Relationship
1 pm = 10⁻¹² m = 0.01 Å = 1,000 fm. One nanometer equals 1,000 picometers.
Conversion Formula
To convert pm to meters: multiply by 10⁻¹². To convert pm to angstroms: divide by 100.
Practical Applications
Expressing covalent bond lengths (e.g., C–C bond ≈ 154 pm), atomic radii, and crystal lattice spacings.
Interesting Facts
The hydrogen atom has a radius of about 53 pm (the Bohr radius), while a carbon-carbon single bond is about 154 pm long.
Common Mistakes
Mixing up picometers and nanometers — remember 1 nm = 1,000 pm. Some sources still use the deprecated angstrom.
Educational Tips
Think of pm as the natural unit for atoms: most atomic radii fall between 30 pm and 300 pm.
About Parsec (pc)
Definition
The parsec is an astronomical unit of length defined as the distance at which one astronomical unit subtends an angle of one arcsecond.
Mathematical Relationship
1 pc = 3.0857 × 10¹⁶ m = 3.2616 ly = 206,265 AU ≈ 30.857 trillion km.
Conversion Formula
To convert pc to light-years: multiply by 3.2616. To convert pc to AU: multiply by 206,265.
Practical Applications
Stellar catalogs, galaxy surveys, and cosmological distance calculations.
Interesting Facts
No known star is within 1 parsec of the Sun. Proxima Centauri is 1.30 pc away, making it the nearest star.
Common Mistakes
Pronouncing or interpreting 'parsec' as a unit of time (famously misused in Star Wars). It is strictly a distance unit.
Educational Tips
The parsec is defined geometrically: if a star's parallax (apparent shift over 6 months) is 1 arcsecond, it's 1 pc away.