Petapascal is 1000000000000000 pascal units.
Petapascals to KSI Converter — PPa to ksi
Convert Petapascal (PPa) to KSI (ksi) using the exact conversion factor (1 petapascal = 145,037,737.7 ksi). See the formula, worked examples, and conversion table.
Petapascals to KSI converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Kips per square inch.
Result = input x 1e+15 / 6.89475729e+6.
Stress Pressure units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Petapascals to KSI
Petapascal and KSI both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Petapascal is 1000000000000000 pascal units, and kips per square inch.
Formula
ksi = petapascals × 145037737.73
This factor comes from each unit's defined relationship to the category's base unit: 1 petapascal equals 1e+15 base units, and 1 ksi equals 6894757.29317 base units, so dividing one by the other gives the direct petapascal-to-ksi factor of 145037737.73.
Simple example
1 PPa × 145037737.7 = 145,037,737.7 ksi
1 petapascal = 145,037,737.7 ksi.
Real-world example
100 PPa × 145037737.7 = 14,503,773,770 ksi
100 petapascals = 14,503,773,770 ksi.
Conversion table
| Petapascal (PPa) | KSI (ksi) |
|---|---|
| 1 PPa | 145,037,737.7 ksi |
| 10 PPa | 1,450,377,377 ksi |
| 50 PPa | 7,251,886,887 ksi |
| 100 PPa | 14,503,773,770 ksi |
| 500 PPa | 72,518,868,870 ksi |
| 1,000 PPa | 145,037,737,700 ksi |
Reverse conversion: KSI to Petapascal
1 ksi × 6.894757e-9 = 6.894757e-9 PPa
1 ksi = 6.894757e-9 petapascals.
petapascals = ksi × 6.894757e-9
For a page dedicated to this direction, see KSI to Petapascal.
Understanding the Petapascal (PPa)
Petapascal is 1000000000000000 pascal units.
Understanding the KSI (ksi)
Kips per square inch.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ksi are in 1 petapascal?
1 petapascal equals 145,037,737.7 ksi, using the exact defined conversion factor rather than an estimate.
How do I convert petapascal to ksi?
Multiply the petapascal value by 145037737.7. The converter above does this instantly to whatever precision you set.
How do I convert ksi back to petapascal?
Use the reverse factor: 1 ksi equals 6.894757e-9 petapascals. You can also use the swap control in the converter above to flip the direction instantly.
What is a petapascal?
Petapascal (PPa) is a unit of engineering.
What is a ksi?
KSI (ksi) is a unit of engineering.
Is the petapascal to ksi conversion exact?
Yes. Both petapascal and ksi are defined by fixed standards rather than physical artifacts, so the factor of 145037737.7 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.