Convert Planck length to femtometer
Please provide values below to convert Planck length [l_P] to femtometer [fm], or Convert femtometer to Planck length.
1 l_P = 1.6163e-20 fm. To convert Planck length to femtometer, multiply the value by 1.6163e-20; to go the other way, divide by it (1 fm = 6.1871e+19 l_P). Both units measure length and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 l_P = 1.6163e-20 fm
- 1 fm = 6.1871e+19 l_P
- 10 l_P = 1.6163e-19 fm
- 100 l_P = 1.6163e-18 fm
How to Convert Planck Length to Femtometer
1 l_P = 1.616255e-20 fm
Example: convert 15 l_P to fm:
15 l_P = 15 × 1.616255e-20 fm = 2.4243825e-19 fm
Planck Length to Femtometer Conversion Table
| Planck length | femtometer |
|---|---|
| 1 l_P | 1.6163e-20 fm |
| 2 l_P | 3.2325e-20 fm |
| 3 l_P | 4.8488e-20 fm |
| 5 l_P | 8.0813e-20 fm |
| 10 l_P | 1.6163e-19 fm |
| 20 l_P | 3.2325e-19 fm |
| 50 l_P | 8.0813e-19 fm |
| 100 l_P | 1.6163e-18 fm |
| 500 l_P | 8.0813e-18 fm |
| 1000 l_P | 1.6163e-17 fm |
Planck Length
The Planck length is the smallest possible unit of length in the universe, approximately 1.6 x 10⁻³⁵ meters.
History/Origin
The Planck length is derived from fundamental physical constants and is named after the physicist Max Planck. It is a fundamental unit in the system of Planck units.
Current Use
The Planck length is a theoretical concept used in quantum gravity and cosmology to describe phenomena at the smallest scales of the universe.
Femtometer
A femtometer is a unit of length in the metric system equal to 10^-15 meters. It is also known as a fermi.
History/Origin
The prefix "femto-" for 10^-15 was adopted by the CGPM (General Conference on Weights and Measures) in 1964. The unit is also named after the physicist Enrico Fermi.
Current Use
The femtometer is primarily used in nuclear physics to measure the size of atomic nuclei.
Frequently Asked Questions
What is 1 Planck length in femtometer?
1 Planck length (l_P) = 1.6163e-20 femtometer (fm).
How do you convert Planck length to femtometer?
Multiply the Planck length value by 1.6163e-20. For example, 25 l_P × 1.6163e-20 = 4.0406e-19 fm.
What is 10 Planck length in femtometer?
10 l_P = 1.6163e-19 fm.
Which unit is larger, the Planck length or the femtometer?
The femtometer is the larger unit: 1 l_P equals only 1.6163e-20 fm.