inH2O (4°C) to Pound/sq foot Converter

Pressure Converter

29 units available

Decimals:

From

To

5.20233

1 inH2O = 5.20233 psf

Formula:

psf = inH2O × 5.2023300132

With your value: 1 inH2O = 5.20233001 psf

Other inH2O (4°C) to Pound/sq foot conversions

2 inH2O to psf 3 inH2O to psf 4 inH2O to psf 5 inH2O to psf 6 inH2O to psf 7 inH2O to psf 8 inH2O to psf

inH2O (4°C) to Pound/sq foot Conversion Table

inH2O (4°C) (inH2O)	Pound/sq foot (psf)
0.5	2.601165
1	5.20233
2	10.40466
5	26.01165
10	52.0233
15	78.03495
20	104.0466
25	130.05825
50	260.116501
100	520.233001
250	1,300.582503
500	2,601.165007
1000	5,202.330013

Pound/sq foot to inH2O (4°C) Conversion Table

Pound/sq foot (psf)	inH2O (4°C) (inH2O)
0.5	0.096111
1	0.192222
2	0.384443
5	0.961108
10	1.922216
15	2.883323
20	3.844431
25	4.805539
50	9.611078
100	19.222156
250	48.05539
500	96.110781
1000	192.221562

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.

inH2O (4°C) (inH2O)

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

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

How to Convert inH2O (4°C) to Pound/sq foot

To convert from inH2O (4°C) (inH2O) to Pound/sq foot (psf), multiply the value by 5.2023300132.

Formula: psf = inH2O × 5.2023300132

Reverse: inH2O = psf × 0.1922215618

Step-by-Step Example

Start with your value in inH2O (4°C). For example: 5 inH2O
Multiply by the conversion factor: 5 x 5.2023300132
The result is: 26.01165 psf

About inH2O (4°C)

The inh2o (4°c) (inH2O) is a unit of pressure and stress. One inh2o (4°c) equals 249.0889083 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 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.

Frequently Asked Questions

How many Pound/sq foot are in 1 inH2O (4°C)?

There are exactly 5.2023300132 Pound/sq foot in 1 inH2O (4°C). This means the conversion factor from inH2O (4°C) to Pound/sq foot is 5.2023300132.

What is the formula to convert inH2O (4°C) to Pound/sq foot?

The formula to convert inH2O (4°C) to Pound/sq foot is: psf = inH2O × 5.2023300132. For example, to convert 10 inH2O (4°C) to Pound/sq foot, you would multiply 10 by 5.2023300132.

What is a inH2O (4°C)?