Convert between Pascals (Pa) and PSI with kPa, bar, atm, and mmHg equivalents for scientific and engineering use.
Pascals are the SI base unit for pressure, while psi is common in US engineering and consumer equipment. Converting between them is useful when a physics or standards-based value in pascals needs to be compared with a gauge, tire, or equipment reading in psi.
This converter handles both directions and also shows kPa, bar, atm, and mmHg. That is helpful because pascals are often too small for everyday use, while psi is less common in scientific formulas and standards.
Use it when a pressure starts in SI units but needs to be understood in psi, or when a psi value needs to be restated in pascals for technical work. It is a good cross-check when you are moving from a standards document or simulation output into a workshop setting where gauges, regulators, and labels still use psi. Showing the nearby pressure units at the same time also helps you confirm that you are reporting the right scale and not confusing Pa with kPa or MPa.
Pascals are the formal SI reference, but psi is often the practical shop-floor unit. This page makes that translation direct and keeps the intermediate units visible so you do not need a separate kPa or bar conversion afterward. That is useful when a single pressure value has to be explained to both an engineer reading SI data and a technician reading a psi gauge.
PSI = Pa × 0.000145038 Pa = PSI × 6,894.76 1 Pa = 1 N/m²
Result: 14.696 psi
101,325 Pa is standard atmospheric pressure. Multiplying by 0.000145038 gives about 14.696 psi.
The Pascal is the SI base unit for pressure, defined as one newton per square meter. It is exact and consistent with the rest of SI, which makes it the natural unit in standards, equations, and technical documentation.
PSI remains common on US gauges, tire specifications, compressors, pumps, and pneumatic equipment. That means many practical pressure problems require jumping between a formal SI number in pascals and a more familiar psi reading.
Small laboratory or atmospheric differences may be fine in Pa, but many engineering values are easier to read in kPa or MPa. When converting to psi, the main goal is usually to turn a large SI figure into a number that matches what a mechanic, operator, or consumer gauge actually shows.
1 psi equals 6,894.76 Pascals. That is why even modest psi values turn into large whole numbers when written in Pa.
Multiply Pascals by 0.000145038. If the Pa value is very large, convert to kPa or MPa mentally first so the scale is easier to sanity-check.
Multiply psi by 6,894.76. This is useful when a gauge reading has to be inserted into an SI-based formula or report.
The Pascal is a small unit, so larger pressures are easier to read and compare in kilopascals or megapascals. Using the larger SI prefixes reduces the chance of dropping or adding zeros by mistake.
101,325 Pa. That same reference point is also 101.325 kPa and about 14.696 psi.
PSI is common on US equipment, gauges, tires, and many consumer-facing specs. Pascals are more common in standards, equations, and SI-based engineering documents.