Inches of Water (inH₂O)	Torr (Torr)
1 inH₂O	1.8683 Torr
2 inH₂O	3.7366 Torr
5 inH₂O	9.3416 Torr
10 inH₂O	18.6832 Torr
25 inH₂O	46.708 Torr
50 inH₂O	93.416 Torr
100 inH₂O	186.832 Torr
250 inH₂O	467.0801 Torr
500 inH₂O	934.1602 Torr
1000 inH₂O	1868.32 Torr

Convert Inches of Water to Torr

Convert inches of water to torr (inH₂O to Torr) with our instant calculator. 1 inH₂O = 1.86832 Torr. Includes exact formula and reference tables.

How to Convert Inches of Water to Torr (inH₂O to Torr)

1 Inch of Water (inH₂O) is equal to 1.86832 Torr (Torr). Multiply the inch of water value by 1.86832047

Quick Answer 1 inH₂O = 1.86832 Torr

Formula Torr = inH₂O × 1.86832047

Inverse Factor 1 Torr = 0.53524 inH₂O

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 Inches of Water (inH₂O): Inch of Water (inH₂O) is a unit in the Pressure measurement category. It is widely used in hvac duct & fan static pressure. Relative to the pressure base unit, 1 inH₂O equals 249.08891 Pascals (Pa).

About Torr (Torr): Torr / mmHg (Torr) is a unit in the Pressure measurement category. It is widely used in torr / mmhg (vacuum & blood pressure). Relative to the pressure base unit, 1 Torr equals 133.322368 Pascals (Pa).

Need to convert in the opposite direction? Visit our Convert Torr to Inches of Water (Torr to inH₂O) calculator (1 Torr = 0.53524 inH₂O).

Step-by-Step Worked Examples (inH₂O to Torr)

Convert 5 Inches of Water to Torr: Applying the formula (Torr = inH₂O × 1.86832047): starting with 5 inH₂O, multiply the inch of water value by 1.86832047 to get 9.3416 Torr.
Convert 10 Inches of Water to Torr: Applying the formula (Torr = inH₂O × 1.86832047): starting with 10 inH₂O, multiply the inch of water value by 1.86832047 to get 18.6832 Torr.
Convert 50 Inches of Water to Torr: Applying the formula (Torr = inH₂O × 1.86832047): starting with 50 inH₂O, multiply the inch of water value by 1.86832047 to get 93.416 Torr.

Popular Pressure Conversions

Pound per Square Inch ⇄ Bar

Multiply PSI by ~0.0689476 to convert to bar.

Bar ⇄ Pound per Square Inch

Multiply bar by ~14.5038 to find pressure in pounds per square inch (PSI).

Kilopascal ⇄ Pound per Square Inch

1 PSI equals approximately 6.89476 kilopascals (kPa).

Standard Atmosphere ⇄ Pound per Square Inch

1 standard atmosphere equals approximately 14.6959 PSI.

Frequently Asked Questions

Verified answers and formulas for converting inches of water to torr.

How many torr are in 1 inch of water?

There are 1.86832 torr (Torr) in 1 inch of water (inH₂O). Conversely, 1 torr / mmhg equals 0.53524 inches of water.

How do you convert inches of water to torr?

To convert inches of water (inH₂O) to torr (Torr), use the formula: Torr = inH₂O × 1.86832047. Multiply the inch of water value by 1.86832047. For example, 10 inH₂O equals 18.6832 Torr.

How do I convert back from torr to inches of water?

To convert in the reverse direction from torr (Torr) to inches of water (inH₂O), use the inverse formula: inH₂O = Torr × 0.5352400812. Multiply the torr / mmhg value by 0.5352400812 (1 Torr = 0.53524 inH₂O).

What is the difference between inch of water (inH₂O) and torr / mmhg (Torr)?

Both inch of water and torr / mmhg measure pressure. Inch of Water (inH₂O) is a unit in the Pressure measurement category. It is widely used in hvac duct & fan static pressure. Relative to the pressure base unit, 1 inH₂O equals 249.08891 Pascals (Pa). Torr / mmHg (Torr) is a unit in the Pressure measurement category. It is widely used in torr / mmhg (vacuum & blood pressure). Relative to the pressure base unit, 1 Torr equals 133.322368 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.