30 mm = 1.181 in, 30 millimeters equals 1.181 inches.
A decimal is what a calculator gives you; a tape measure gives you a fraction. 30 mm = 1.1811″ = 1 3/16″ — the fraction reading is how this measurement is actually marked on a rule.
| Rule precision | Fraction reading | As a decimal | Difference from exact |
|---|---|---|---|
| Nearest 1/16 | 1 3/16 ″ | 1.1875 | ±0.0064 in / ±0.163 mm |
| Nearest 1/32 | 1 3/16 ″ | 1.1811 | same reading as the row above |
| Nearest 1/64 | 1 3/16 ″ | 1.1811 | same reading as the row above |
As feet and inches, the same measurement reads 0' 1 3/16″.
Paste your measurements below, one per line, and get every value back as a decimal and as the fraction you would read off a rule. Built for working from a cut list rather than a single number.
| millimeters | inches (decimal) | Fraction (1/16) | ft + in |
|---|
All calculations run locally in your browser, nothing is uploaded.
| millimeters (mm) | inches (in) |
|---|---|
| 10 mm | 0.3937 in |
| 20 mm | 0.7874 in |
| 25 mm | 0.9843 in |
| 28 mm | 1.102 in |
| 29 mm | 1.142 in |
| 30 mm | 1.181 in |
| 31 mm | 1.22 in |
| 32 mm | 1.26 in |
| 35 mm | 1.378 in |
| 40 mm | 1.575 in |
| 50 mm | 1.969 in |
This page answers the question "what is 30 mm to inches?" directly: the answer is 1.181 in. If you searched the spelling without a space, 30mm to inches, it is exactly the same conversion. For any other value, use the converter above or the full millimeters to inches converter, which includes the formula, a step-by-step explanation and a longer conversion table.
30 millimeters equals 1.181 inches. To get this, multiply 30 by the conversion factor 0.0393701 in per mm.
Type 30 into the converter above and read the result, it is calculated instantly in your browser. The same answer applies whether you write 30 mm to inches or 30mm to inches.
Yes. 30mm to inches and 30 mm to inches are two spellings of the same conversion, the answer is 1.181 in either way.