Atmospheres to Kilopascals Converter

To convert a measurement in atmospheres to kilopascals, multiply the value by 101.325. The conversion factor comes from the relationship between both units and the pascal.

For example, to convert 5 atm to kilopascals: 5 × 101.325 = 506.625 kPa.

A standard atmosphere (atm) is a unit of pressure defined as exactly 101,325 pascals, approximating average sea-level air pressure. Defined by the International Union of Pure and Applied Chemistry as a reference pressure, the atmosphere is widely used in chemistry and physics to describe conditions relative to sea level.

Common uses of atmospheres include: Chemistry reference conditions (STP); Diving and hyperbaric medicine; Physics gas-law calculations; Describing high-pressure environments.

A kilopascal equals 1,000 pascals and is the most common metric unit for everyday pressures such as tire inflation. The kilopascal became widespread as metric countries standardized on SI units, replacing older units like the kilogram-force per square centimeter in engineering and automotive specifications.

Common uses of kilopascals include: Tire pressure in metric countries; Blood pressure in some clinical contexts; HVAC and building pressure specifications; Compressed air and pneumatic systems.

Here are some common values converted:

1 atm = 101.325 kPa 5 atm = 506.625 kPa 10 atm = 1,013.25 kPa 50 atm = 5,066.25 kPa 100 atm = 10,132.5 kPa