Hectopascal to Gigapascal Converter

Pressure Converter

29 units available

Decimals:

From

To

1.000000e-7

1 hPa = 1.000000e-7 GPa

Formula:

GPa = hPa × 1.000000e-7

With your value: 1 hPa = 1.000000e-7 GPa

Other Hectopascal to Gigapascal conversions

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

Hectopascal to Gigapascal Conversion Table

Hectopascal (hPa)	Gigapascal (GPa)
0.5	5.000000e-8
1	1.000000e-7
2	2.000000e-7
5	5.000000e-7
10	1.000000e-6
15	1.500000e-6
20	2.000000e-6
25	2.500000e-6
50	5.000000e-6
100	1.000000e-5
250	2.500000e-5
500	5.000000e-5
1000	0.0001

Gigapascal to Hectopascal Conversion Table

Gigapascal (GPa)	Hectopascal (hPa)
0.5	5,000,000
1	10,000,000
2	20,000,000
5	50,000,000
10	100,000,000
15	150,000,000
20	200,000,000
25	250,000,000
50	500,000,000
100	1,000,000,000
250	2,500,000,000
500	5,000,000,000
1000	10,000,000,000

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.

Hectopascal (hPa)

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 Hectopascal to Gigapascal

To convert from Hectopascal (hPa) to Gigapascal (GPa), multiply the value by 1.000000e-7.

Formula: GPa = hPa × 1.000000e-7

Reverse: hPa = GPa × 10,000,000

Step-by-Step Example

Start with your value in Hectopascal. For example: 5 hPa
Multiply by the conversion factor: 5 x 1.000000e-7
The result is: 5.000000e-7 GPa

About Hectopascal

The hectopascal (hPa) is a unit of pressure and stress. One hectopascal equals 100 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 Hectopascal?

There are exactly 1.000000e-7 Gigapascal in 1 Hectopascal. This means the conversion factor from Hectopascal to Gigapascal is 1.000000e-7.

What is the formula to convert Hectopascal to Gigapascal?

The formula to convert Hectopascal to Gigapascal is: GPa = hPa × 1.000000e-7. For example, to convert 10 Hectopascal to Gigapascal, you would multiply 10 by 1.000000e-7.

What is a Hectopascal?