Where do these numbers come from?
- NISTSP 811 exact unit definitions (1 in = 25.4 mm, 1 lb = 453.59237 g)current edition
- NISTHandbook 44, weights and measurescurrent edition
- King Arthur BakingIngredient Weight Chart (kitchen tools)retrieved Oct 23, 2026
Checked Oct 23, 2026. 1 inch is exactly 25.4 mm (NIST SP 811), so 100 mm ÷ 25.4 = 3.937 in.
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76 mm = 2.9921 in
Worked example
76 ÷ 25.4 = 2.9921 inches. On a ruler marked in sixteenths, that is about 3″; in thirty-seconds, 3″; in sixty-fourths, 2 63/64″. The nearest 1/16 mark (3″ = 76.2 mm) is off by 0.2 mm.
76 mm is also 7.6 cm and 0.249 feet.
| Millimeters | Inches | Nearest 1/16 |
|---|---|---|
| 71 mm | 2.7953 | 2 13/16″ |
| 72 mm | 2.8346 | 2 13/16″ |
| 73 mm | 2.874 | 2 7/8″ |
| 74 mm | 2.9134 | 2 15/16″ |
| 75 mm | 2.9528 | 2 15/16″ |
| 76 mm | 2.9921 | 3″ |
| 77 mm | 3.0315 | 3 1/16″ |
| 78 mm | 3.0709 | 3 1/16″ |
| 79 mm | 3.1102 | 3 1/8″ |
| 80 mm | 3.1496 | 3 1/8″ |
| 81 mm | 3.189 | 3 3/16″ |
Frequently asked questions
How many inches is 76 mm?
2.9921 inches, about 3″.
What fraction of an inch is 76 mm?
About 3″ to the nearest 1/32.