Input interpretation
potassium | atomic diameter
Result
440 pm (picometers)
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | 220 pm atomic radius (calculated) | 243 pm covalent radius | 203 pm van der Waals radius | 275 pm
Units
Unit conversions
0.44 nm (nanometers)
4.4×10^-10 meters
1.73×10^-8 inches
4.4 Å (ångströms)
Comparisons as diameter
≈ ( 0.2 ≈ 1/5 ) × DNA helix diameter ( ≈ 2 nm )
≈ 0.4 × carbon nanotube diameter ( ≈ 1 nm )
≈ 1.3 × diameter of a carbon atom ( ≈ 340 pm )