Input interpretation
potassium | atomic radius
Result
220 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
0.22 nm (nanometers)
2.2×10^-10 meters
8.66×10^-9 inches
2.2 Å (ångströms)
Comparisons as atomic radius
≈ 7.1 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
≈ 8.8 × atomic radius of hydrogen ( ≈ 25 pm )