Input interpretation
hydrogen | atomic radius
Result
25 pm (picometers)
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | 25 pm atomic radius (calculated) | 53 pm covalent radius | 31 pm van der Waals radius | 120 pm
Units
Unit conversions
0.025 nm (nanometers)
2.5×10^-11 meters
9.8×10^-10 inches
0.25 Å (ångströms)
Comparison as atomic radius
≈ 0.81 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )