Input interpretation
![calcium | atomic radius](../image_source/3d4625c63b9c0072a1483f10eb6bc836.png)
calcium | atomic radius
Result
![180 pm (picometers)](../image_source/09410a22a56dcf059c231a2954a86ef6.png)
180 pm (picometers)
Periodic table location
![Periodic table location](../image_source/d1a2ffcb731ab55e0ae07f7a74b7d098.png)
Periodic table location
Atomic radii properties
![atomic radius (empirical) | 180 pm atomic radius (calculated) | 194 pm covalent radius | 176 pm](../image_source/294693ee03af19def5d5ff3b9bd11833.png)
atomic radius (empirical) | 180 pm atomic radius (calculated) | 194 pm covalent radius | 176 pm
Units
Unit conversions
![0.18 nm (nanometers)](../image_source/555f4f456b914fabe5f1409cd63719b6.png)
0.18 nm (nanometers)
![1.8×10^-10 meters](../image_source/831662963eced3ca43b88f1cb8e6637b.png)
1.8×10^-10 meters
![7.09×10^-9 inches](../image_source/4f26b498f2c318de4decfcd9e9a133b4.png)
7.09×10^-9 inches
![1.8 Å (ångströms)](../image_source/59595f080a574f5068f8858da86b4911.png)
1.8 Å (ångströms)
Comparisons as atomic radius
![≈ 5.8 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )](../image_source/62b4422c0292ce4adca0df64419c06a4.png)
≈ 5.8 × atomic radius of helium (the smallest atom) ( ≈ 31 pm )
![≈ 7.2 × atomic radius of hydrogen ( ≈ 25 pm )](../image_source/e94e18917eba80242352101ffe6c541e.png)
≈ 7.2 × atomic radius of hydrogen ( ≈ 25 pm )