kPa to psi Converter - Kilopascal to Pounds per Square Inch
Kilopascal (kPa) to Pounds per Square Inch (psi)
Direct answer
1 kPa = 0.145037680789 psi
psi = kPa × 0.145037680789
Converter
Conversion formula
psi = kPa × 0.145037680789
kPa = psi × 6.89476
Example: 10 kPa = 10 × 0.145037680789 = 1.45037680789 psi.
Common conversion table
| kPa | psi |
|---|---|
| 1 kPa | 0.145037680789 psi |
| 2 kPa | 0.290075361579 psi |
| 5 kPa | 0.725188403947 psi |
| 10 kPa | 1.45037680789 psi |
| 20 kPa | 2.90075361579 psi |
| 50 kPa | 7.25188403947 psi |
| 100 kPa | 14.5037680789 psi |
| 1,000 kPa | 145.037680789 psi |
Conversion derivation
Express both kPa and psi in the same base unit Pa (pascal), then cancel the shared base unit.
- 1
Rewrite kPa in the base unit
- 2
Rewrite psi in the base unit
- 3
Forward conversion
- 4
Reverse conversion
AI explanation for this conversion
This pre-generated explanation is schema-checked. Numeric results still come from the page formula and calculator.
kPa to psi Conversion Factor Explanation
The conversion factor between kilopascals (kPa) and pounds per square inch (psi) arises from expressing both pressure units in terms of the common base unit, the pascal (Pa).
Definition
Kilopascal (kPa) is a metric unit of pressure equal to 1,000 pascals. Pounds per square inch (psi) is an imperial unit of pressure defined as one pound of force applied to an area of one square inch.
Principle
The conversion factor is derived by relating each unit to the pascal. Since 1 kPa equals 1,000 Pa and 1 psi equals 6,894.76 Pa, the factor to convert kPa to psi is the ratio 1,000 divided by 6,894.76, which equals approximately 0.145037680789.
Assumptions
- The conversion uses the exact definition where 1 psi is defined as 6,894.76 Pa.
- The relationship is linear, as both units measure pressure.
Cautions
- The precision of the result depends on the number of significant figures used in the conversion factor and the original measurement.
- Always round the final converted value to the precision required for your specific application.
FAQ
How many psi are in 1 kPa?
1 kPa = 0.145037680789 psi.
How many psi are in 10 kPa?
10 kPa = 1.45037680789 psi.
How many psi are in 100 kPa?
100 kPa = 14.5037680789 psi.
What is the formula to convert kPa to psi?
Use psi = kPa × 0.145037680789.
How many kPa are in 1 psi?
1 psi = 6.89476 kPa.
What should I check when converting kPa to psi?
Use the conversion factor and round the result to the precision required by your calculation.