Kips per square inch.
KSI to Megapascals Converter — ksi to MPa
Convert KSI (ksi) to Megapascal (MPa) using the exact conversion factor (1 ksi = 6.894757293 megapascal). See the formula, worked examples, and conversion table.
KSI to Megapascals 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.
Megapascal is 1000000 pascal units.
Result = input x 6.89475729e+6 / 1e+6.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting KSI to Megapascals
KSI and Megapascal 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 megapascal is 1000000 pascal units.
Formula
megapascals = ksi × 6.89475729317
This factor comes from each unit's defined relationship to the category's base unit: 1 ksi equals 6894757.29317 base units, and 1 megapascal equals 1000000 base units, so dividing one by the other gives the direct ksi-to-megapascal factor of 6.89475729317.
Simple example
1 ksi × 6.894757293 = 6.894757293 MPa
1 ksi = 6.894757293 megapascals.
Real-world example
35 ksi × 6.894757293 = 241.3165053 MPa
35 ksi = 241.3165053 megapascals.
Conversion table
| KSI (ksi) | Megapascal (MPa) |
|---|---|
| 1 ksi | 6.894757293 MPa |
| 5 ksi | 34.47378647 MPa |
| 10 ksi | 68.94757293 MPa |
| 25 ksi | 172.3689323 MPa |
| 50 ksi | 344.7378647 MPa |
| 100 ksi | 689.4757293 MPa |
Reverse conversion: Megapascal to KSI
6.894757293 MPa × 0.1450377377 = 1 ksi
6.894757293 megapascals = 1 ksi.
ksi = megapascals × 0.14503773773
For a page dedicated to this direction, see Megapascal to KSI.
Understanding the KSI (ksi)
Kips per square inch.
Understanding the Megapascal (MPa)
Megapascal is 1000000 pascal units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megapascals are in 1 ksi?
1 ksi equals 6.894757293 megapascals, using the exact defined conversion factor rather than an estimate.
How do I convert ksi to megapascal?
Multiply the ksi value by 6.894757293. The converter above does this instantly to whatever precision you set.
How do I convert megapascal back to ksi?
Use the reverse factor: 1 megapascal equals 0.1450377377 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 megapascal?
Megapascal (MPa) is a unit of pressure.
Is the ksi to megapascal conversion exact?
Yes. Both ksi and megapascal are defined by fixed standards rather than physical artifacts, so the factor of 6.894757293 used above is exact to as many digits as you choose to display.