PSI to kPa Converter

Please enter a value below to easily convert pounds per square inch (PSI) into kilopascals (kPa).

PSI to kPa Conversion

Converting PSI to kilopascals is a practical and frequently used calculation in the United States and the United Kingdom, especially for automotive tire pressure, industrial equipment, air compressors, HVAC systems, hydraulics, and engineering applications. PSI, which stands for pounds per square inch, is widely used in the US and still common in UK manuals, while kilopascals are part of the metric system used internationally. This conversion helps users compare pressure readings accurately across standards.

PSI measures pressure based on force applied to a one-square-inch area and is commonly seen on tire gauges, pressure regulators, and machinery displays. Kilopascals (kPa) are a metric unit equal to one thousand pascals and are widely used in scientific measurements, weather reports, and technical specifications. Converting PSI into kPa allows pressure values to be expressed in a globally recognized metric format.

Many users search phrases such as “convert PSI to kPa,” “PSI to kPa calculator,” “tire pressure PSI to kPa,” or “imperial to metric pressure conversion” when adjusting vehicle tires, reading equipment data, or working with international standards. Knowing the conversion formula helps ensure correct pressure settings and safe equipment operation.

Mathematics Formula:
Kilopascals = PSI × 6.89476

This formula is based on the defined relationship between pounds per square inch and pascals. For example, converting 35 PSI to kilopascals involves multiplying 35 by 6.89476, which results in approximately 241.32 kPa. This conversion method is widely accepted in mathematics, mechanical engineering, automotive safety standards, and industrial practices in both the US and UK.

For quick reference and everyday use, the PSI to kPa conversion table below lists commonly used pressure values, allowing users to find accurate metric equivalents without manual calculations.

PSI to kPa Conversion Table

PSI Kilopascals (kPa)
5 PSI34.47 kPa
10 PSI68.95 kPa
15 PSI103.42 kPa
20 PSI137.90 kPa
25 PSI172.37 kPa
30 PSI206.84 kPa
35 PSI241.32 kPa
40 PSI275.79 kPa
45 PSI310.26 kPa
50 PSI344.74 kPa