Convert kPa to atm
1 kPa = 0.00986923 atm · 1 atm = 101.325 kPa · Exact by definition
1 kPa = 0.00986923 atm
The same value in other units
- pascal
- 1000 Pa
- hectopascal
- 10 hPa
- bar
- 0.01 bar
- millimetre of mercury
- 7.50062 mmHg
- pound per square inch
- 0.145038 psi
Settings
Digits kept in the answer. Automatic keeps six, which hides floating-point noise without losing anything real.
Convert a whole list
Paste one conversion per line, written the way you would say it: "5 km to mi". Handy for a column copied out of a spreadsheet.
Pressure
kPa to atm: conversion table
| kilopascal | standard atmosphere |
|---|---|
| 1 kPa | 0.00986923 atm |
| 2 kPa | 0.0197385 atm |
| 3 kPa | 0.0296077 atm |
| 5 kPa | 0.0493462 atm |
| 10 kPa | 0.0986923 atm |
| 20 kPa | 0.197385 atm |
| 25 kPa | 0.246731 atm |
| 50 kPa | 0.493462 atm |
| 100 kPa | 0.986923 atm |
| 250 kPa | 2.46731 atm |
| 500 kPa | 4.93462 atm |
| 1000 kPa | 9.86923 atm |
| standard atmosphere | kilopascal |
|---|---|
| 1 atm | 101.325 kPa |
| 2 atm | 202.65 kPa |
| 3 atm | 303.975 kPa |
| 5 atm | 506.625 kPa |
| 10 atm | 1013.25 kPa |
| 20 atm | 2026.5 kPa |
| 25 atm | 2533.13 kPa |
| 50 atm | 5066.25 kPa |
| 100 atm | 10132.5 kPa |
| 250 atm | 25331.3 kPa |
| 500 atm | 50662.5 kPa |
| 1000 atm | 101325 kPa |
How the conversion works
atm = kPa × 0.0098692327
Both units are defined exactly, so the precision of the kPa to atm result depends only on the number of decimal places you choose.
METHOD AND SOURCES
Where the conversion factors come from
Results are calculated from the unit definitions stored in the converter, not copied from a lookup table. For exact units, every value in the table follows from the same factor shown in the formula above.
- BIPM — SI Brochure
The official definitions of the International System of Units (SI).
- NIST SP 811 — Conversion factors
Conversion-factor tables for SI and non-SI units.
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