Convert metric screw size to imperial screw size instantly. Enter a value below, or use the formula and reference table further down the page.
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How to convert metric screw size to imperial screw size
Multiply the value by 1.
inch = M × 1Example: 10 M = 10 inch.
Metric Screw Size to Imperial Screw Size conversion table
| Metric Screw Size (M) | Imperial Screw Size (inch) |
|---|---|
| 1 M | 1 inch |
| 2 M | 2 inch |
| 3 M | 3 inch |
| 4 M | 4 inch |
| 5 M | 5 inch |
| 10 M | 10 inch |
| 15 M | 15 inch |
| 20 M | 20 inch |
| 25 M | 25 inch |
| 50 M | 50 inch |
| 100 M | 100 inch |
Frequently asked questions
How many imperial screw size is 1 metric screw?
1 metric screw equals 1 imperial screw size.
What is the formula to convert M to inch?
To convert M to inch, multiply the value by 1. The full formula is: inch = M × 1.
How do I convert imperial screw size back to metric screw size?
Use the same calculator above and type your value into the imperial screw size field instead — it converts in both directions. Or use the reverse formula: M = inch ÷ 1.
Is the M to inch conversion exact?
The conversion factor used here (1) is the standard internationally defined value. Results on this page are rounded to four decimal places for readability.