Convert inch of water to technical atmosphere
Here you can quickly calculate how many technical atmosphere fit in one inch of water.
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- 1 inH₂O = 0.00254 at
- 1 at = 393.700787 inH₂O
Example: inch of water to technical atmosphere
- 1 inch of water = 0.00254 technical atmosphere
Inch of water to technical atmosphere conversion table
| inch of water | technical atmosphere |
|---|---|
| 1 | 0.00254 |
| 2 | 0.00508 |
| 5 | 0.0127 |
| 10 | 0.0254 |
| 20 | 0.0508 |
| 50 | 0.127 |
| 100 | 0.254 |
Inch of water to technical atmosphere formula
To convert inch of water to technical atmosphere, multiply by 0.00254.
1 inH₂O = 0.00254 at
Example: 1 inch of water = 0.00254 technical atmosphere
Common pressure conversion mistakes
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One atmosphere is not exactly one bar: 1 atm = 1.01325 bar = 101.325 kPa. There is also the technical atmosphere (1 kgf/cm²) at about 0.981 bar. The ~1% differences rarely matter day to day, but engineering and diving calculations need the right unit.
Quick inch of water and technical atmosphere conversion quiz
Score:
0
20.3 inch of water equals 0.103 technical atmosphere.
Correct answer: 20.3 inch of water = 0.0516 technical atmosphere.
12.7 inch of water equals 0.0323 technical atmosphere.
Correct answer: 12.7 inch of water = 0.0323 technical atmosphere.
23.9 technical atmosphere equals 4 700 inch of water.
Correct answer: 23.9 technical atmosphere = 9 410 inch of water.
107 inch of water equals 0.272 technical atmosphere.
Correct answer: 107 inch of water = 0.272 technical atmosphere.