1 psi = 70.306958 cmH₂O
1 Pound per Square Inch equals 70.306958 Centimeters of Water

Pounds per Square Inch to Centimeters of Water Conversion Table

Standard benchmark values from 1 to 1,000 psi in cmH₂O.

Pounds per Square Inch (psi) Centimeters of Water (cmH₂O)
1 psi 70.307 cmH₂O
2 psi 140.6139 cmH₂O
5 psi 351.5348 cmH₂O
10 psi 703.0696 cmH₂O
25 psi 1757.67 cmH₂O
50 psi 3515.35 cmH₂O
100 psi 7030.7 cmH₂O
250 psi 17576.74 cmH₂O
500 psi 35153.48 cmH₂O
1000 psi 70306.96 cmH₂O

Convert Pounds per Square Inch to Centimeters of Water

Convert pounds per square inch to centimeters of water (psi to cmH₂O) with our instant calculator. 1 psi = 70.306958 cmH₂O. Includes exact formula and reference tables.

How to Convert Pounds per Square Inch to Centimeters of Water (psi to cmH₂O)

1 Pound per Square Inch (psi) is equal to 70.306958 Centimeters of Water (cmH₂O). Multiply the pound per square inch value by 70.30695796

Quick Answer 1 psi = 70.306958 cmH₂O
Formula cmH₂O = psi × 70.30695796
Inverse Factor 1 cmH₂O = 0.014223 psi

Unit Definitions & Metrology Context

The SI unit of pressure is the pascal (Pa). Standard sea-level atmosphere is defined as 101,325 Pa (1.01325 bar or ~14.696 psi).

About Pounds per Square Inch (psi): Pound per Square Inch (psi) is a unit in the Pressure measurement category. It is a standard everyday unit of pressure measurement. Relative to the pressure base unit, 1 psi equals 6894.757293 Pascals (Pa).

About Centimeters of Water (cmH₂O): Centimeter of Water (cmH₂O) is a unit in the Pressure measurement category. It is widely used in cpap & medical respiratory pressure. Relative to the pressure base unit, 1 cmH₂O equals 98.0665 Pascals (Pa).

Need to convert in the opposite direction? Visit our Convert Centimeters of Water to Pounds per Square Inch (cmH₂O to psi) calculator (1 cmH₂O = 0.014223 psi).

Step-by-Step Worked Examples (psi to cmH₂O)

  • Convert 5 Pounds per Square Inch to Centimeters of Water: Applying the formula (cmH₂O = psi × 70.30695796): starting with 5 psi, multiply the pound per square inch value by 70.30695796 to get 351.5348 cmH₂O.
  • Convert 10 Pounds per Square Inch to Centimeters of Water: Applying the formula (cmH₂O = psi × 70.30695796): starting with 10 psi, multiply the pound per square inch value by 70.30695796 to get 703.0696 cmH₂O.
  • Convert 50 Pounds per Square Inch to Centimeters of Water: Applying the formula (cmH₂O = psi × 70.30695796): starting with 50 psi, multiply the pound per square inch value by 70.30695796 to get 3515.3479 cmH₂O.

Frequently Asked Questions

Verified answers and formulas for converting pounds per square inch to centimeters of water.

How many centimeters of water are in 1 pound per square inch?

There are 70.306958 centimeters of water (cmH₂O) in 1 pound per square inch (psi). Conversely, 1 centimeter of water equals 0.014223 pounds per square inch.

How do you convert pounds per square inch to centimeters of water?

To convert pounds per square inch (psi) to centimeters of water (cmH₂O), use the formula: cmH₂O = psi × 70.30695796. Multiply the pound per square inch value by 70.30695796. For example, 10 psi equals 703.0696 cmH₂O.

How do I convert back from centimeters of water to pounds per square inch?

To convert in the reverse direction from centimeters of water (cmH₂O) to pounds per square inch (psi), use the inverse formula: psi = cmH₂O × 0.01422334331. Multiply the centimeter of water value by 0.01422334331 (1 cmH₂O = 0.014223 psi).

What is the difference between pound per square inch (psi) and centimeter of water (cmH₂O)?

Both pound per square inch and centimeter of water measure pressure. Pound per Square Inch (psi) is a unit in the Pressure measurement category. It is a standard everyday unit of pressure measurement. Relative to the pressure base unit, 1 psi equals 6894.757293 Pascals (Pa). Centimeter of Water (cmH₂O) is a unit in the Pressure measurement category. It is widely used in cpap & medical respiratory pressure. Relative to the pressure base unit, 1 cmH₂O equals 98.0665 Pascals (Pa).

How many PSI is in 1 bar?

1 bar equals approximately 14.5038 PSI. For car tires, 2.2 bar is roughly 32 PSI.