Input interpretation
carbon | nuclear radius
Result
2.181 fm (femtometers)
Unit conversions
2.181×10^-15 meters
8.585×10^-14 inches
Comparisons as radius
≈ 0.77 × classical electron radius ( ≈ 2.8×10^-15 m )
≈ 2.6 × proton root-mean-square charge radius ( ≈ 8.4×10^-16 m )