Reference Tools
Micro-Scale & Nanometer Converter
Convert extremely small dimensions (nanometers, micrometers, angstroms) to modern imperial and metric units.
Factual Science: How many Inches is a Nanometer?
How do you convert nanometers to inches? A nanometer (nm) is one billionth of a meter (10⁻⁹ m). Converting to inches:1 nm = 3.93700787 × 10⁻⁸ inches. This means that 1 inch contains exactly 25,400,000 nanometers. Use our calculator below to inspect molecular scales.
Micro-Scale Inputs
Scientific Notation
Meters: 1.0000e-7 m
Inches: 3.9370e-6 in
Modern Metric & Imperial Conversions
Inches (Decimal)
0.000003937"
Millimeters
0.0001000 mm