Input interpretation
iron | atomic diameter
Result
280 pm (picometers)
Periodic table location
Periodic table location
Atomic radii properties
atomic radius (empirical) | 140 pm atomic radius (calculated) | 156 pm covalent radius | 132 pm
Units
Unit conversions
0.28 nm (nanometers)
2.8×10^-10 meters
1.1×10^-8 inches
2.8 Å (ångströms)
Comparisons as diameter
≈ ( 0.3 ≈ 1/4 ) × carbon nanotube diameter ( ≈ 1 nm )
≈ 0.82 × diameter of a carbon atom ( ≈ 340 pm )
≈ (0.00279 to 3.8) × diameter of a molecule ( 0.74 to 1000 Å )