How to Convert Nanometers to Angstroms Converting nanometers to angstroms is useful in nanotechnology and atomic-scale science. One nanometer equals ten angstroms. The Mathematical Formula To convert nanometers to angstroms, multiply the nanometer value by 10: Angstroms = Nanometers × 10 Nanometers to Angstroms Table Nanometers (nm) Angstroms (Å) 0.1 nm1 Å 1 nm10 Å 5 nm50 Å 10 nm100 Å