Authoritative definitions of the International System of Units and SI prefixes.
Unit converters
Pressure & stress converter
Convert pressure & stress units including Pa, kPa, MPa, bar, atm, psi. See the formula, conversion tables and examples for your selected units.
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
Pressure & stress expresses force per area in another pressure or stress unit. 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
- The source and target selections represent the same physical quantity or supported notation.
- The entered value is valid for the selected relationship and uses the source unit shown.
- Published unit definitions and conventional conversion factors apply under their stated conditions.
Worked example
Standard atmosphere is 101,325 pascals.
When to use it
Good uses
- Translate a pressure & stress value found in a document, specification, recipe, or measurement.
- Compare values reported in different unit systems.
- Check a manual conversion and control the displayed precision.
Limitations
Common mistakes to avoid
- Unit conversion does not account for measurement uncertainty, instrument calibration, or context outside the unit definition.
- Do not add meaningful digits beyond the precision of the original measurement.
- Confirm regulated, safety-critical, laboratory, and contractual values 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
What does the Pressure & stress converter do?
Pressure & stress expresses force per area in another pressure or stress unit. It does not change the physical quantity represented by the input.
What formula does the Pressure & stress converter use?
result = input × 1 ÷ 1000
Why can a Pressure & stress converter result be rounded?
UnitMora calculates with JavaScript double-precision numbers, then formats the result using your selected decimal or significant-figure setting. The unrounded value may contain more digits than are displayed.
What is the most common pressure & stress conversion mistake?
The most common mistake is selecting a similarly named but different unit or treating a rounded measurement as exact.
Pressure & stress conversion tables
Open a unit pair for its formula, worked example and reference table.
Clear answers, without the guesswork
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