atmospheres to kilopascals
Convert atmosphere to kilopascal — instant, free, with the formula shown.
How to convert atmosphere to kilopascal
To convert atmosphere to kilopascal, multiply by 101.325:
For example, 10 atm × 101.325 = 1013.25 kPa.
atm to kPa conversion table
| atmospheres (atm) | kilopascals (kPa) |
|---|---|
| 1 atm | 101.325 kPa |
| 2 atm | 202.65 kPa |
| 5 atm | 506.625 kPa |
| 10 atm | 1013.25 kPa |
| 25 atm | 2533.125 kPa |
| 50 atm | 5066.25 kPa |
| 100 atm | 10132.5 kPa |
| 250 atm | 25331.25 kPa |
| 500 atm | 50662.5 kPa |
| 1000 atm | 101325 kPa |
Other atmosphere conversions
Convert to kilopascal from another unit
atm to kPa — frequently asked
How many kilopascals are in 1 atmosphere?
1 atmosphere = 101.325 kilopascals (atm × 101.325 = kPa).
What is the formula to convert atmosphere to kilopascal?
Multiply your atmosphere value by 101.325 to get kilopascal.
How do I convert 10 atmospheres to kilopascals?
10 atm = 1013.25 kPa. For 100 atm the answer is 10132.5 kPa. Use the calculator on this page for any other value.
When to convert atmosphere to kilopascal
Pressure conversion — common questions
What's the difference between bar and psi?
1 bar = 100,000 Pa ≈ 14.504 psi. Bar is metric/SI-friendly; psi is US imperial. Tire pressure in cars is commonly 30–35 psi or ≈ 2.1–2.4 bar.
Is 1 atmosphere the same as 1 bar?
Very close but not identical. 1 atm = 1.01325 bar = 101,325 Pa. 1 bar = 100,000 Pa.
Why is blood pressure in mmHg?
Historically measured with mercury manometers — the pressure that supports a column of mercury that many millimetres tall. 120 mmHg systolic ≈ 16 kPa.