Authoritative definitions of the International System of Units and SI prefixes.
Unit conversion
Pascals to Kilopascals Converter
1 Pa = 0.001 kPa. Enter a value to convert Pa to kPa, then use the formula and table below. Displayed digits may be rounded.
Pressure & stressInstant result
Decimals
Formula result = input × 1 ÷ 1000. 1 Pa = 0.001 kPa
Nonzero results too small for the selected decimal places use scientific notation.
Nonzero results too small for the selected decimal places use scientific notation.
Common examples
One value, several units
Kilopascals0.001 kPa
Megapascals1.00000e-6 MPa
Bar1.00000e-5 bar
Atmospheres9.86923e-6 atm
Pounds per square inch0.0001 psi
Millimetres of mercury0.0075 mmHg
Conversion table
| Pa | kPa |
|---|---|
| 1 Pa | 0.001 kPa |
| 2 Pa | 0.002 kPa |
| 5 Pa | 0.005 kPa |
| 10 Pa | 0.01 kPa |
| 25 Pa | 0.025 kPa |
| 50 Pa | 0.05 kPa |
| 100 Pa | 0.1 kPa |
Conversion chart
1 Pa0.001 kPa
5 Pa0.005 kPa
10 Pa0.01 kPa
25 Pa0.025 kPa
50 Pa0.05 kPa
Worked example
1 Pa = 0.001 kPa. Apply the selected conversion formula to other input values.
Unit definition
Pascals (Pa) One pascals equals 1 pascal.
Unit history
The pascal, named for Blaise Pascal, became the SI derived unit of pressure and equals one newton per square metre.
Step by step
1. Parse the value, including fractions.
2. Convert Pa to pascal.
3. Convert the base value to kPa and apply your display precision.
Understand the result before using it
Pascals to Kilopascals converts a value measured in Pascals (Pa) into the equivalent value in Kilopascals (kPa). 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 × 1 ÷ 1000
Assumptions
- Pascals and Kilopascals represent the same pressure & stress quantity.
- The input is expressed in Pa; the output is expressed in kPa.
- The unit definitions and conventional relationship shown on this page apply.
Worked example
1 Pa = 0.001 kPa. 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 Pa measurement in a document that expects kPa.
- Compare a pascals value with a value reported in kilopascals.
- Check the Pa to kPa arithmetic before copying the result into another calculation.
Limitations
Common mistakes to avoid
- Do not confuse Pa 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 Pascals to Kilopascals?
result = input × 1 ÷ 1000. Input is in Pa; result is in kPa. 1 Pa = 0.001 kPa. The displayed digits may be rounded.
What is 1 Pa in kPa?
1 Pa = 0.001 kPa. The displayed digits may be rounded.
Can I reverse the Pa to kPa conversion?
Yes. Swap the source and target units in the converter. The reverse relationship converts kPa back to Pa.
Is the Pascals to Kilopascals 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.