Authoritative definitions of the International System of Units and SI prefixes.
Dedicated unit pair
Kilopascals to Pounds per square inch
Convert kPa to psi instantly, then review the formula, assumptions, and rounding guidance.
Pressure & stressInstant result
Decimals
Formula result = input × 1000 ÷ 6894.757293. 1 kPa = 0.145 psi
Common examples
One value, several units
Pascals1,000 Pa
Megapascals0.001 MPa
Bar0.01 bar
Atmospheres0.0099 atm
Pounds per square inch0.145 psi
Millimetres of mercury7.5006 mmHg
Conversion table
| kPa | psi |
|---|---|
| 1 kPa | 0.145 psi |
| 2 kPa | 0.2901 psi |
| 5 kPa | 0.7252 psi |
| 10 kPa | 1.4504 psi |
| 25 kPa | 3.6259 psi |
| 50 kPa | 7.2519 psi |
| 100 kPa | 14.5038 psi |
Conversion chart
1 kPa0.145 psi
5 kPa0.7252 psi
10 kPa1.4504 psi
25 kPa3.6259 psi
50 kPa7.2519 psi
Worked example
Standard atmosphere is 101,325 pascals.
Unit definition
Kilopascals (kPa) One kilopascals equals 1,000 pascal.
Unit history
Kilopascals is represented here using its modern SI definition or an internationally accepted relationship to an SI base unit.
Step by step
1. Parse the value, including fractions.
2. Convert kPa to pascal.
3. Convert the base value to psi and apply your display precision.
Understand the result before using it
Kilopascals to Pounds per square inch converts a value measured in Kilopascals (kPa) into the equivalent value in Pounds per square inch (psi). The numerical value changes because the size and definition of the selected unit changes; the underlying quantity does not.
Calculated result
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.
Formula, assumptions, and example
Formula
result = input × 1000 ÷ 6894.757293
Assumptions
- Kilopascals and Pounds per square inch represent the same pressure & stress quantity.
- The input is expressed in kPa; the output is expressed in psi.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 kPa = 0.145037737734 psi. For another value, apply the same relationship and round only to the precision your source measurement supports.
When to use it
Good uses
- Read a kPa measurement in a document that expects psi.
- Compare a kilopascals value with a value reported in pounds per square inch.
- Check the kPa-to-psi arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- Do not confuse kPa with another unit that has a similar name or symbol.
- Round the output to a precision justified by the original measurement.
- Verify safety-critical, regulated, laboratory, and contractual conversions against the controlling standard.
Sources and further reading
These references explain the underlying standards or provide authoritative context. Your own contract, institution, clinician, product documentation, local code, or governing standard may be the controlling source.
Guidance on unit names, symbols, conversions, and numerical presentation.
Questions about this calculation
How do I convert Kilopascals to Pounds per square inch?
result = input × 1000 ÷ 6894.757293 Using the displayed relationship, 1 kPa equals 0.145037737734 psi.
How many Pounds per square inch are in one Kilopascals?
One Kilopascals is 0.145037737734 Pounds per square inch. The displayed digits may be rounded.
Can I reverse the kPa to psi conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts psi back to kPa.
Is the Kilopascals to Pounds per square inch result exact?
The conversion follows the displayed unit relationship. Display rounding can hide additional digits, and measured inputs cannot become more accurate merely by changing units.