Kips per square inch.
KSI to Zettapascals Converter — ksi to ZPa
Convert KSI (ksi) to Zettapascal (ZPa) using the exact conversion factor (1 ksi = 6.894757e-15 zettapascal). See the formula, worked examples, and conversion table.
KSI to Zettapascals converter
Converter
Pressure Converter
Convert pascals, bars, PSI, atmospheres, mercury columns, water columns, and engineering pressure units.
Context values
Some unit families need one extra value for a physically accurate result.
Zettapascal is 1e+21 pascal units.
Result = input x 6.89475729e+6 / 1e+21.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting KSI to Zettapascals
KSI and Zettapascal both show up on pressure gauges — psi is standard on US tire and tool specifications, while bar is the everyday pressure unit across most of the rest of the world. Specifically: Kips per square inch, and zettapascal is 1e+21 pascal units.
Formula
zettapascals = ksi × 6.894757e-15
This factor comes from each unit's defined relationship to the category's base unit: 1 ksi equals 6894757.29317 base units, and 1 zettapascal equals 1e+21 base units, so dividing one by the other gives the direct ksi-to-zettapascal factor of 6.894757e-15.
Simple example
1 ksi × 6.894757e-15 = 6.894757e-15 ZPa
1 ksi = 6.894757e-15 zettapascals.
Real-world example
35 ksi × 6.894757e-15 = 2.413165e-13 ZPa
35 ksi = 2.413165e-13 zettapascals.
Conversion table
| KSI (ksi) | Zettapascal (ZPa) |
|---|---|
| 1 ksi | 6.894757e-15 ZPa |
| 5 ksi | 3.447379e-14 ZPa |
| 10 ksi | 6.894757e-14 ZPa |
| 25 ksi | 1.723689e-13 ZPa |
| 50 ksi | 3.447379e-13 ZPa |
| 100 ksi | 6.894757e-13 ZPa |
Reverse conversion: Zettapascal to KSI
6.894757e-15 ZPa × 1.450377e+14 = 0.9999999575 ksi
6.894757e-15 zettapascals = 0.9999999575 ksi.
ksi = zettapascals × 1.450377e+14
For a page dedicated to this direction, see Zettapascal to KSI.
Understanding the KSI (ksi)
Kips per square inch.
Understanding the Zettapascal (ZPa)
Zettapascal is 1e+21 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many zettapascals are in 1 ksi?
1 ksi equals 6.894757e-15 zettapascals, using the exact defined conversion factor rather than an estimate.
How do I convert ksi to zettapascal?
Multiply the ksi value by 6.894757e-15. The converter above does this instantly to whatever precision you set.
How do I convert zettapascal back to ksi?
Use the reverse factor: 1 zettapascal equals 1.450377e+14 ksi. You can also use the swap control in the converter above to flip the direction instantly.
What is a ksi?
KSI (ksi) is a unit of pressure.
What is a zettapascal?
Zettapascal (ZPa) is a unit of pressure.
Is the ksi to zettapascal conversion exact?
Yes. Both ksi and zettapascal are defined by fixed standards rather than physical artifacts, so the factor of 6.894757e-15 used above is exact to as many digits as you choose to display.