Instant millimeter to inch conversions for engineers, woodworkers, machinists, and makers. Includes fractional inches, batch tools, and size charts.
Live converter with visual ruler, fractional inch output, and a full 1–300mm reference table.
Reverse converter. Enter decimal or fractional inches, get exact millimeter values instantly.
Convert centimeters and meters to inches, feet, and yards. Multi-unit metric converter.
Convert any mm value to all fractional inches: 1/2", 1/4", 1/8", 1/16", 1/32", 1/64".
Paste a list of values, convert all at once, and export results to CSV or clipboard.
Drill bits, bolts & screws, wire gauge (AWG), paper sizes, and standard lumber — all in mm & inches.
| Millimeters | Decimal Inches | Fraction (1/16") | Fraction (1/64") | Centimeters |
|---|
No button press needed — results appear as you type. Zero lag, zero waiting.
Get all fractional inch equivalents simultaneously: 1/4, 1/8, 1/16, 1/32, 1/64.
Paste a full list of measurements, convert all at once, and copy or download results.
Drill bits, bolts, wire gauge, paper sizes — everything in mm and inches side by side.
Completely free, no account required. Works offline-ready in modern browsers.
Optimized for phones and tablets. Use it in the workshop, on the job site, anywhere.