Inch to mm converter (pipe sizes)
Convert copper pipe diameters between inches and millimetres. 1 inch = 25.4 mm; 3/8" = 9.52 mm, 1/2" = 12.7 mm, 5/8" = 15.88 mm.
Conversion table: inç → mm
1 inç = 25.4 mm · 1 mm = 0.0394 inç
| inch | millimetre | inch | millimetre |
|---|---|---|---|
| 1/4" | 6.35 mm | 1 1/8" | 28.58 mm |
| 5/16" | 7.938 mm | 1 1/4" | 31.75 mm |
| 3/8" | 9.525 mm | 1 3/8" | 34.92 mm |
| 1/2" | 12.7 mm | 1 5/8" | 41.28 mm |
| 5/8" | 15.88 mm | 2 1/8" | 53.97 mm |
| 3/4" | 19.05 mm | 2 5/8" | 66.68 mm |
| 7/8" | 22.23 mm | 3 1/8" | 79.38 mm |
| 1" | 25.4 mm | 4 1/8" | 104.8 mm |
Unit conversion pages
- kW → kcal/hCooling capacity / power1 kW = 859.8 kcal/h
- kW → BTU/hCooling capacity / power1 kW = 3,412 BTU/h
- kcal/h → BTU/hCooling capacity / power1 kcal/h = 3.968 BTU/h
- kW → TRCooling capacity / power1 kW = 0.2843 TR
- kW → HPCooling capacity / power1 kW = 1.36 HP
- bar → psiPressure1 bar = 14.5 psi
- °C → °FTemperature0 °C = 32 °F
- m³/h → CFMAirflow1 m³/h = 0.5886 CFM
- kg → lbMass1 kg = 2.205 lb
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