Input interpretation
big bang elements | nuclear radius
Results
helium | 1.512 fm (femtometers) hydrogen | 1.2 fm (femtometers) lithium | 1.731 fm (femtometers)
big bang elements | nuclear radius | 1.512 fm (femtometers) (median)
Ranked values
| | visual | ratios | 3 | hydrogen | | 0.6934 | 1 2 | helium | | 0.8736 | 1.26 1 | lithium | | 1 | 1.442
Unit conversions for median nuclear radius 1.512 fm
1.512×10^-15 meters
5.952×10^-14 inches
Comparisons for median nuclear radius 1.512 fm
≈ 0.54 × classical electron radius ( ≈ 2.8×10^-15 m )
≈ 1.8 × proton root-mean-square charge radius ( ≈ 8.4×10^-16 m )