Atmosphere to Kilopascal Converter
1 atm = 101.325 kPa — convert instantly with formula and table.
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Quick answer: one atmosphere equals 101.325 kilopascals. So to convert atmospheres to kilopascals, multiply by 101.325.
How to convert atmospheres to kilopascals
kilopascals = atmospheres × 101.325
The standard atmosphere (101,325 Pa) represents average sea-level air pressure — the natural reference for diving depth and chemistry.
The kilopascal (1,000 Pa) is the practical metric pressure unit — tire pressures in metric countries are quoted around 220 kPa.
Atmosphere to Kilopascal conversion table
| Atmosphere (atm) | Kilopascal (kPa) |
|---|---|
| 0.01 atm | 1.0132 kPa |
| 0.1 atm | 10.1325 kPa |
| 0.25 atm | 25.3313 kPa |
| 0.4 atm | 40.53 kPa |
| 0.75 atm | 75.9938 kPa |
| 1.25 atm | 126.6563 kPa |
| 1.75 atm | 177.3187 kPa |
| 2.5 atm | 253.3125 kPa |
| 3.5 atm | 354.6375 kPa |
| 4.5 atm | 455.9625 kPa |
| 6 atm | 607.95 kPa |
| 8 atm | 810.6 kPa |
| 10 atm | 1,013.25 kPa |
| 12 atm | 1,215.9 kPa |
| 14 atm | 1,418.55 kPa |
| 16 atm | 1,621.2 kPa |
| 18 atm | 1,823.85 kPa |
| 20 atm | 2,026.5 kPa |
| 24 atm | 2,431.8 kPa |
| 26 atm | 2,634.45 kPa |
| 30 atm | 3,039.75 kPa |
| 35 atm | 3,546.38 kPa |
| 45 atm | 4,559.63 kPa |
| 55 atm | 5,572.88 kPa |
| 65 atm | 6,586.13 kPa |
| 75 atm | 7,599.38 kPa |
| 85 atm | 8,612.63 kPa |
| 95 atm | 9,625.88 kPa |
| 110 atm | 11,145.75 kPa |
| 125 atm | 12,665.63 kPa |
| 175 atm | 17,731.88 kPa |
| 250 atm | 25,331.25 kPa |
| 350 atm | 35,463.75 kPa |
| 450 atm | 45,596.25 kPa |
| 600 atm | 60,795 kPa |
| 750 atm | 75,993.75 kPa |
| 900 atm | 91,192.5 kPa |
| 1,500 atm | 151,987.5 kPa |
| 2,500 atm | 253,312.5 kPa |
| 10,000 atm | 1,013,250 kPa |
Need the opposite direction? Use the Kilopascal to Atmosphere converter, or read our complete guide to pressure conversions for every formula in one place.
Frequently asked questions
How many kilopascals are in one atmosphere?
One atmosphere equals 101.325 kilopascals. Multiply any atmosphere value by 101.325 to get kilopascals.
What is 10 atmospheres in kilopascals?
10 atmospheres equal 1,013.25 kilopascals (10 × 101.325).
Is the atmosphere to kilopascal conversion exact?
The conversion factor used here (101.325) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.