Pound/sq foot to Gigapascal Converter

Pressure Converter

29 units available

Decimals:

From

To

4.788026e-8

1 psf = 4.788026e-8 GPa

Formula:

GPa = psf × 4.788026e-8

With your value: 1 psf = 4.788026e-8 GPa

Other Pound/sq foot to Gigapascal conversions

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

Pound/sq foot to Gigapascal Conversion Table

Pound/sq foot (psf)	Gigapascal (GPa)
0.5	2.394013e-8
1	4.788026e-8
2	9.576052e-8
5	2.394013e-7
10	4.788026e-7
15	7.182039e-7
20	9.576052e-7
25	1.197006e-6
50	2.394013e-6
100	4.788026e-6
250	1.197006e-5
500	2.394013e-5
1000	4.788026e-5

Gigapascal to Pound/sq foot Conversion Table

Gigapascal (GPa)	Pound/sq foot (psf)
0.5	10,442,717.116575
1	20,885,434.23315
2	41,770,868.466301
5	104,427,171.165752
10	208,854,342.331505
15	313,281,513.497257
20	417,708,684.66301
25	522,135,855.828762
50	1,044,271,711.657525
100	2,088,543,423.31505
250	5,221,358,558.287623
500	10,442,717,116.575247
1000	20,885,434,233.150494

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

Gigapascal (GPa)

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 Gigapascal

To convert from Pound/sq foot (psf) to Gigapascal (GPa), multiply the value by 4.788026e-8.

Formula: GPa = psf × 4.788026e-8

Reverse: psf = GPa × 20,885,434.233150493

Step-by-Step Example

Start with your value in Pound/sq foot. For example: 5 psf
Multiply by the conversion factor: 5 x 4.788026e-8
The result is: 2.394013e-7 GPa

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 Gigapascal

The gigapascal (GPa) is a unit of pressure and stress. One gigapascal equals 1.000000 × 10^+9 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 Gigapascal are in 1 Pound/sq foot?

There are exactly 4.788026e-8 Gigapascal in 1 Pound/sq foot. This means the conversion factor from Pound/sq foot to Gigapascal is 4.788026e-8.

What is the formula to convert Pound/sq foot to Gigapascal?

The formula to convert Pound/sq foot to Gigapascal is: GPa = psf × 4.788026e-8. For example, to convert 10 Pound/sq foot to Gigapascal, you would multiply 10 by 4.788026e-8.

What is a Pound/sq foot?