Input interpretation
period 1 elements | nuclear diameter
Results
hydrogen | 2.4 fm (femtometers) helium | 3.024 fm (femtometers)
period 1 elements | nuclear diameter | 2.712 fm (femtometers) (median)
Relative values
| visual | ratios | | comparisons hydrogen | | 0.7937 | 1 | 20.63% smaller helium | | 1 | 1.26 | 25.99% larger
Unit conversions for median nuclear diameter 2.712 fm
2.712×10^-15 meters
1.068×10^-13 inches