Convert Femtometers to Picometers
Convert Femtometers (fm) to Picometers (pm) instantly and accurately.
Conversion Formula
pm = fm × 0.001
About Femtometers
A femtometer (fm) is an incredibly tiny unit equal to one quadrillionth of a meter (10⁻¹⁵ m). To put this in perspective, if an atom were the size of a football field, a femtometer would be the size of a marble. This unit is primarily used in nuclear physics to measure the size of atomic nuclei, protons, and neutrons. The proton, for example, has a diameter of about 1.7 femtometers.
About Picometers
A picometer (pm) is one trillionth of a meter (10⁻¹² m), making it 1,000 times larger than a femtometer but still unimaginably small. This unit is crucial in atomic and molecular physics, as it represents the scale of atomic radii and chemical bonds. For example, a hydrogen atom has a radius of about 53 picometers, and the length of a typical chemical bond ranges from 100 to 200 picometers. X-ray wavelengths also fall within this range.
Quick Reference Table
| Femtometers (fm) | Picometers (pm) |
|---|---|
| 1 fm | 0.001 pm |
| 2 fm | 0.002 pm |
| 5 fm | 0.005 pm |
| 10 fm | 0.01 pm |
| 25 fm | 0.025 pm |
| 50 fm | 0.05 pm |
| 100 fm | 0.1 pm |