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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60 mm = 2.3622 in
Worked example
60 ÷ 25.4 = 2.3622 inches. On a ruler marked in sixteenths, that is about 2 3/8″; in thirty-seconds, 2 3/8″; in sixty-fourths, 2 23/64″. The nearest 1/16 mark (2 3/8″ = 60.32 mm) is off by 0.32 mm.
60 mm is also 6 cm and 0.197 feet.
| Millimeters | Inches | Nearest 1/16 |
|---|---|---|
| 55 mm | 2.1654 | 2 3/16″ |
| 56 mm | 2.2047 | 2 3/16″ |
| 57 mm | 2.2441 | 2 1/4″ |
| 58 mm | 2.2835 | 2 5/16″ |
| 59 mm | 2.3228 | 2 5/16″ |
| 60 mm | 2.3622 | 2 3/8″ |
| 61 mm | 2.4016 | 2 3/8″ |
| 62 mm | 2.4409 | 2 7/16″ |
| 63 mm | 2.4803 | 2 1/2″ |
| 64 mm | 2.5197 | 2 1/2″ |
| 65 mm | 2.5591 | 2 9/16″ |
Frequently asked questions
How many inches is 60 mm?
2.3622 inches, about 2 3/8″.
What fraction of an inch is 60 mm?
About 2 3/8″ to the nearest 1/32.