How do you convert gigapascals to kilopascals?

To convert gigapascals (GPa) to kilopascals (kPa), multiply the pressure in gigapascals by 1,000,000 (kilopascals = gigapascals × 1,000,000).

What is 5 gigapascals in kilopascals?

5 gigapascals (5 GPa) is equal to 5,000,000 kilopascals (5,000,000 kPa).

Which is larger, 1 gigapascal (GPa) or 1 kilopascal (kPa)?

One gigapascal (GPa) is larger than one kilopascal (kPa). Specifically, 1 GPa contains 1,000,000 kPa, whereas 1 kPa is 0.000001 GPa.

How do I convert back from kilopascals (kPa) to gigapascals (GPa)?

To reverse the calculation from kPa to GPa, multiply your kilopascal value by the inverse factor 0.000001 (or divide by 1,000,000). You can also click the Swap button in the tool above to flip directions in one click.

How many decimal places should I round GPa to kPa results to?

For everyday comparisons and quick estimates, rounding to 2 decimal places is usually sufficient (for example, 5 GPa ≈ 5,000,000.00 kPa). For engineering, laboratory, or machining specifications, select 4 or 6 decimals—or Scientific (10ⁿ) mode—in the calculator toolbar above.

Gigapascals to Kilopascals Converter

Enter the pressure in gigapascals below to convert it to kilopascals.

Kilopascals to Gigapascals (kPa → GPa)

Convert Gigapascals to Kilopascals

Enter a value in gigapascals (GPa) to convert to kilopascals (kPa).

Value (GPa)

From

Result

•

5,000,000kilopascals

5 GPa = 5,000,000 kPa

Result updates automatically

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Equivalent Measurements Across UnitsFor 5 GPa

Pascals5.000000e+9 Pa

Kilopascals5,000,000 kPa

Bars50,000 bar

PSI725,188.68865108 psi

Atmospheres49,346.16334 atm

Suggested Conversions

Reference:NIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))

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Gigapascal to Kilopascal Conversion Table

Table showing various gigapascal measurements converted to kilopascals. Click any preset value or arrow to load it into the converter.

Gigapascals (GPa)	Kilopascals (kPa)
0.0000001 GPa	0.1 kPa
0.0000002 GPa	0.2 kPa
0.0000003 GPa	0.3 kPa
0.0000004 GPa	0.4 kPa
0.0000005 GPa	0.5 kPa
0.0000006 GPa	0.6 kPa
0.0000007 GPa	0.7 kPa
0.0000008 GPa	0.8 kPa
0.0000009 GPa	0.9 kPa
0.00000001 GPa	0.01 kPa

How to Convert Gigapascals to Kilopascals

To convert gigapascals to kilopascals, multiply the pressure by the following conversion ratio: 1,000,000 kilopascals/gigapascal.

Since one gigapascal is equal to 1,000,000 kilopascals, you can use this simple formula to convert:

kilopascals = gigapascals × 1,000,000

The pressure in kilopascals is equal to the pressure in gigapascals multiplied by 1,000,000.

For example, here's how to convert 5 gigapascals to kilopascals using the formula above.

kilopascals = (5 GPa × 1,000,000) = 5,000,000 kPa

How Many Kilopascals Are in a Gigapascal?

There are 1,000,000 kilopascals in a gigapascal, which is why we use this value in the formula above.

1 GPa = 1,000,000 kPa|1 kPa = 0.000001 GPa

Our gigapascal to kilopascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Gigapascals and kilopascals are both units used to measure pressure. Keep reading to learn more about each unit.

What Is a Gigapascal?

A gigapascal is a unit of pressure equal to 1,000,000,000 pascals (Pa), the base unit for pressure. Equal to 1,000,000,000 Pascals (1,000 MPa), used for elastic modulus of metals and diamond. [1]

The gigapascal is classified as an International System of Units (SI) unit of pressure. Gigapascals can be abbreviated as GPa; for example, 1 gigapascal can be written as 1 GPa.

In the metric system, "giga" is the standard SI prefix for billions, or 10⁹. This makes the gigapascal (GPa) a convenient decimal multiple of the pascal (Pa).

In practice, gigapascals (GPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

Learn more about gigapascals in our Pressure Converter.

What Is a Kilopascal?

A kilopascal is a unit of pressure equal to 1,000 pascals (Pa), the base unit for pressure. Equal to 1,000 Pascals (1 kN/m²). [2]

The kilopascal is classified as a metric and SI-compatible unit of pressure. Kilopascals can be abbreviated as kPa; for example, 1 kilopascal can be written as 1 kPa.

In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilopascal (kPa) a convenient decimal multiple of the pascal (Pa).

In practice, kilopascals (kPa) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about kilopascals in our Pressure Converter.

When converting pressure between gigapascals (GPa) and kilopascals (kPa), keep full floating-point precision (1 GPa = 1,000,000 kPa; 1 kPa = 0.000001 GPa) during intermediate calculations and round only the final kilopascal figure to match your instrument tolerance.

More Gigapascal & Kilopascal Conversions

Need to calculate in the opposite direction? Use our kilopascals to gigapascals calculator to switch your starting unit immediately. You can also explore related tools such as converting kilopascals to gigapascals, converting psi to kilopascals, or converting bars to kilopascals.

Convert from Gigapascals

Convert to Kilopascals

Frequently Asked Questions

There are 1,000,000 kilopascals (kPa) in 1 gigapascal (GPa). Conversely, 1 kilopascal (kPa) is equal to 0.000001 gigapascals (GPa).

Pressure Converter

Quick Info

Direct Factor: 1 gigapascal (GPa) equals 1,000,000 kilopascals (kPa).
Inverse Factor: 1 kilopascal (kPa) equals 0.000001 gigapascals (GPa).
Formula: kilopascals = gigapascals × 1,000,000.
Verified Precision: Anchored to official NIST SP 811 and ISO/IEC 80000 standards.

Units Comparison

Gigapascal (GPa)

Equal to 1,000,000,000 Pascals (1,000 MPa), used for elastic modulus of metals and diamond.

Kilopascal (kPa)

Equal to 1,000 Pascals (1 kN/m²).

Pascal (Pa)

SI derived unit of pressure equal to 1 Newton per square meter (N/m²).

References

[1]NIST SP 811 · NIST SP 811 App. B.9 (Pressure & Stress)
Source
[2]NIST CUU · Derived SI Unit: Pascal (Pa)
Source
[3]BIPM · SI Brochure (9th Ed.) — Mechanics
Source

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References

NIST · BIPM · ISO

[1]
NIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Gigapascals (GPa) to Kilopascals (kPa)
NIST SP 811 Standard
[2]
NIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Gigapascal (GPa) & Kilopascal (kPa)
NIST CUU Specification
[3]
BIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (GPa to kPa)
BIPM Reference

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