2 mm to inches
Instant conversion for 2 mm — decimal inches, the nearest 1/64 fraction , and how far off common imperial sizes are, using the same engine as the mm to inches hub.
2mm to inches conversion
- Decimal inches
- 0.0787
- Nearest 1/64
- 5/64 in (−0.016 mm)
- Feet + inches
- 0 ft 0.079 in
The inches fraction result is rounded to the nearest 1/64 fraction.
2 millimeters is equal to 0.0787 inches.
- Decimal inches: 0.0787 in
- Nearest 1/64: 5/64 in (-0.016 mm from the exact size)
How many inches is 2mm?
2 millimeters is equal to 0.0787 inches. That is the exact international conversion ( 1 in = 25.4 mm). On a fractional chart, the nearest 1/64 is 5/64 in.
How to convert 2mm to inches
Formula: inches = millimeters ÷ 25.4 (exact). Or multiply by 0.0393701 for a quick estimate of the same definition.
- Start with 2 mm.
- Divide by 25.4: 2 ÷ 25.4 = 0.0787 in.
- Reverse check: 0.0787 × 25.4 = 2 — the conversion round-trips cleanly.
About the fraction result
The decimal column is exact (shown to four places). The fraction is the nearest 1/64 approximation used on rulers and bit charts — so the two can disagree. Here, 2 mm = 0.0787 in exactly, while 5/64 in differs by -0.016 mm. The converter disclaimer (“rounded to the nearest 1/64 fraction”) exists so that difference is never mistaken for a data error.
Is 2 mm the same as 1/16 inch?
No. 1/16 in equals 1.5875 mm — about 0.413 mm smaller than 2 mm. The nearest 1/64 is 5/64 in (1.984375 mm), only about 0.016 mm smaller than 2 mm — close enough for many non-critical holes and hex keys but not identical. 3/32 in (2.38125 mm) is about 0.381 mm larger than 2 mm. A 2 mm drill bit, a 2 mm hex key, or 2 mm acrylic sheet stock should use the metric size when fit matters; 5/64 in is a common imperial stand-in — close, but not a guaranteed swap.
Compared with 1/16 in (1.588 mm): 1/16 in is about 0.413 mm smaller than 2 mm.
Nearest inch fractions
Same conversion engine as the calculator. Diff (mm) is how far each size sits from exact 2 mm (positive = larger than 2 mm; negative = smaller).
| Comparison | Inches | mm | Diff (mm) |
|---|---|---|---|
| Exact | 0.0787 | 2 | — |
| Thou / mil | 78.74 thou | 2 | — |
| Nearest 1/64 | 5/64 | 1.984 | -0.016 |
| Nearest 1/32 | 3/32 | 2.381 | +0.381 |
| Often confused | 1/16 | 1.588 | -0.413 |
This page is for specification checks — drill bits, sockets, tubing, and stock — not body measurements. For shop picks across many metric diameters, see the drill bit & socket mm to inches chart.
2mm to inches conversion chart
Local density around 2 mm (±1 mm, every 0.1 mm). For the full 0–100 mm table, use the mm to inches hub chart.
| mm | inches (decimal) | inches (nearest 1/64) |
|---|---|---|
| 1 | 0.0394 | 3/64 |
| 1.1 | 0.0433 | 3/64 |
| 1.2 | 0.0472 | 3/64 |
| 1.3 | 0.0512 | 3/64 |
| 1.4 | 0.0551 | 1/16 |
| 1.5 | 0.0591 | 1/16 |
| 1.6 | 0.0630 | 1/16 |
| 1.7 | 0.0669 | 1/16 |
| 1.8 | 0.0709 | 5/64 |
| 1.9 | 0.0748 | 5/64 |
| 2 | 0.0787 | 5/64 |
| 2.1 | 0.0827 | 5/64 |
| 2.2 | 0.0866 | 3/32 |
| 2.3 | 0.0906 | 3/32 |
| 2.4 | 0.0945 | 3/32 |
| 2.5 | 0.0984 | 3/32 |
| 2.6 | 0.1024 | 7/64 |
| 2.7 | 0.1063 | 7/64 |
| 2.8 | 0.1102 | 7/64 |
| 2.9 | 0.1142 | 7/64 |
| 3 | 0.1181 | 1/8 |
FAQ
How many inches is 2 mm?
2 millimeters is equal to 0.0787 inches (2 ÷ 25.4).
What fraction of an inch is 2 mm?
The nearest 1/64 is 5/64 in (1.984 mm), about 0.016 mm smaller than exact 2 mm. The nearest 1/32 is 3/32 in (2.381 mm), about 0.381 mm larger than 2 mm.
Is 2 mm the same as 1/16 inch?
No. 1/16 in = 1.5875 mm, about 0.413 mm smaller than 2 mm. Use 5/64 in if you need the nearest common 1/64 tick — still not identical.
Is a 2 mm drill bit the same as 5/64?
Close, but not identical. 5/64 in = 1.984375 mm — about 0.016 mm smaller than 2 mm. Fine for many non-critical holes; use a true 2 mm bit when fit matters.
Is 2 mm equal to 3/32 inch?
No. 3/32 in = 2.38125 mm, about 0.381 mm larger than 2 mm. Prefer 5/64 in as the nearer fractional stand-in, or stay metric.