Pound/sq foot to cmH2O (4°C) Converter

Pressure Converter

29 units available

Decimals:

From

To

0.488243

1 psf = 0.488243 cmH2O

Formula:

cmH2O = psf × 0.4882427636

With your value: 1 psf = 0.48824276 cmH2O

Other Pound/sq foot to cmH2O (4°C) conversions

2 psf to cmH2O 3 psf to cmH2O 4 psf to cmH2O 5 psf to cmH2O 6 psf to cmH2O 7 psf to cmH2O 8 psf to cmH2O

Pound/sq foot to cmH2O (4°C) Conversion Table

Pound/sq foot (psf)	cmH2O (4°C) (cmH2O)
0.5	0.244121
1	0.488243
2	0.976486
5	2.441214
10	4.882428
15	7.323641
20	9.764855
25	12.206069
50	24.412138
100	48.824276
250	122.060691
500	244.121382
1000	488.242764

cmH2O (4°C) to Pound/sq foot Conversion Table

cmH2O (4°C) (cmH2O)	Pound/sq foot (psf)
0.5	1.024081
1	2.048161
2	4.096323
5	10.240807
10	20.481614
15	30.722422
20	40.963229
25	51.204036
50	102.408072
100	204.816144
250	512.040359
500	1,024.080718
1000	2,048.161436

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Pound/sq foot (psf)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

cmH2O (4°C) (cmH2O)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Pound/sq foot to cmH2O (4°C)

To convert from Pound/sq foot (psf) to cmH2O (4°C) (cmH2O), multiply the value by 0.4882427636.

Formula: cmH2O = psf × 0.4882427636

Reverse: psf = cmH2O × 2.0481614362

Step-by-Step Example

Start with your value in Pound/sq foot. For example: 5 psf
Multiply by the conversion factor: 5 x 0.4882427636
The result is: 2.441214 cmH2O

About Pound/sq foot

The pound/sq foot (psf) is a unit of pressure and stress. One pound/sq foot equals 47.88025898 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

About cmH2O (4°C)

The cmh2o (4°c) (cmH2O) is a unit of pressure and stress. One cmh2o (4°c) equals 98.0665 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

Frequently Asked Questions

How many cmH2O (4°C) are in 1 Pound/sq foot?

There are exactly 0.4882427636 cmH2O (4°C) in 1 Pound/sq foot. This means the conversion factor from Pound/sq foot to cmH2O (4°C) is 0.4882427636.

What is the formula to convert Pound/sq foot to cmH2O (4°C)?

The formula to convert Pound/sq foot to cmH2O (4°C) is: cmH2O = psf × 0.4882427636. For example, to convert 10 Pound/sq foot to cmH2O (4°C), you would multiply 10 by 0.4882427636.

What is a Pound/sq foot?