Gigapascal to Millibar Converter

Pressure Converter

29 units available

Decimals:

From

To

10,000,000

1 GPa = 10,000,000 mbar

Formula:

mbar = GPa × 10,000,000

With your value: 1 GPa = 10,000,000 mbar

Other Gigapascal to Millibar conversions

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

Gigapascal to Millibar Conversion Table

Gigapascal (GPa)	Millibar (mbar)
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

Millibar to Gigapascal Conversion Table

Millibar (mbar)	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

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.

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

Millibar (mbar)

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 Gigapascal to Millibar

To convert from Gigapascal (GPa) to Millibar (mbar), multiply the value by 10,000,000.

Formula: mbar = GPa × 10,000,000

Reverse: GPa = mbar × 1.000000e-7

Step-by-Step Example

Start with your value in Gigapascal. For example: 5 GPa
Multiply by the conversion factor: 5 x 10,000,000
The result is: 50,000,000 mbar

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.

About Millibar

The millibar (mbar) is a unit of pressure and stress. One millibar 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.

Frequently Asked Questions

How many Millibar are in 1 Gigapascal?

There are exactly 10,000,000 Millibar in 1 Gigapascal. This means the conversion factor from Gigapascal to Millibar is 10,000,000.

What is the formula to convert Gigapascal to Millibar?

The formula to convert Gigapascal to Millibar is: mbar = GPa × 10,000,000. For example, to convert 10 Gigapascal to Millibar, you would multiply 10 by 10,000,000.

What is a Gigapascal?