Gigapascals to Kips per square inch
Convert gigapascals to kips per square inch instantly.
Gigapascals to Kips per square inch (GPa to ksi) Converter
1 gigapascal = 145.04 kips per square inch
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- 1 GPa = 145.04 ksi
- 5 GPa = 725.19 ksi
- 10 GPa = 1450.4 ksi
- 25 GPa = 3625.9 ksi
- MegapascalsMPa
- GigapascalsGPa
- Pounds per square inchpsi
- MegapascalsMPa
- Pounds per square inchpsi
- Kips per square inch (US)ksi
How it’s calculated
ksi = GPa × 145.0377377
- Multiply the value in gigapascals by 145.0377377.
- To go back, divide by 145.0377377 (or multiply by 0.006894757293).
- 1 GPa = 145.0377377 ksi · 1 ksi = 0.006894757293 GPa
Quick examples
1 gigapascal = 145.04 kips per square inch · 1 ksi = 0.0068948 GPa
- 1 gigapascal = 145.04 kips per square inch
- 5 gigapascals = 725.19 kips per square inch
- 10 gigapascals = 1,450.4 kips per square inch
- 25 gigapascals = 3,625.9 kips per square inch
- 100 gigapascals = 14,504 kips per square inch
Gigapascals to kips per square inch conversion table
| Gigapascals (GPa) | Kips per square inch (ksi) |
|---|---|
| 1 GPa | 145.04 ksi |
| 5 GPa | 725.19 ksi |
| 10 GPa | 1,450.4 ksi |
| 20 GPa | 2,900.8 ksi |
| 25 GPa | 3,625.9 ksi |
| 30 GPa | 4,351.1 ksi |
| 36 GPa | 5,221.4 ksi |
| 40 GPa | 5,801.5 ksi |
| 50 GPa | 7,251.9 ksi |
| 60 GPa | 8,702.3 ksi |
| 75 GPa | 10,878 ksi |
| 100 GPa | 14,504 ksi |
| 150 GPa | 21,756 ksi |
| 200 GPa | 29,008 ksi |
| 250 GPa | 36,259 ksi |
| 300 GPa | 43,511 ksi |
| 355 GPa | 51,488 ksi |
| 400 GPa | 58,015 ksi |
| 500 GPa | 72,519 ksi |
| 1,000 GPa | 145,040 ksi |
About these units
Gigapascal (GPa)
SI (metric)
1 GPa = 1,000,000,000 Pa (exact)
Defined as exactly 10⁹ Pa. Used for elastic moduli (steel is about 200 GPa).
Source: BIPM SI Brochure (9th ed.)
Kip per square inch (ksi)
US customary
1 ksi ≈ 6,894,757.3 Pa
A thousand psi, about 6.8948 MPa. Used for material strength in US practice.
Source: NIST SP 811 / Handbook 44
Frequently asked questions
How do I convert gigapascals to kips per square inch?
Use ksi = GPa × 145.0377377. Multiply the value in gigapascals by 145.0377377.
How many kips per square inch are in 1 gigapascal?
1 gigapascal (GPa) equals 145.04 kips per square inch (ksi); more precisely 145.0377377.
How many gigapascals are in 1 kip per square inch?
1 kip per square inch (ksi) equals 0.0068948 gigapascals (GPa); more precisely 0.006894757293.
What is 10 GPa in ksi?
10 gigapascals = 1,450.4 kips per square inch.
Is the kip per square inch a US or a UK unit?
This converter uses the US customary kip per square inch. A thousand psi, about 6.8948 MPa. Used for material strength in US practice. US and UK units with the same name can differ, so check which one your source uses.
What is a gigapascal?
Defined as exactly 10⁹ Pa. Used for elastic moduli (steel is about 200 GPa).
What is a kip per square inch?
A thousand psi, about 6.8948 MPa. Used for material strength in US practice.
Related conversions
Formula: ksi = GPa × 145.0377377. Factors last reviewed 2026-10-27.