Atmosphere to Kilopascal Converter
Pressure · unit-converter
Convert Atmosphere to Kilopascal with a fixed input and output unit, step-by-step formula line, and reference tables. All calculations bridge through pascal with fixed definitions (standard atmosphere = 101,325 Pa; torr and mmHg = atm/760; plus industrial/manometer units like kgf/cm², inHg, inH2O, and mmH2O).
About Atmosphere
The standard atmosphere (atm) is defined as exactly 101,325 Pa. It links legacy chemistry and physics problems to SI.
About Kilopascal
The kilopascal (kPa) equals 1,000 Pa. It appears in HVAC, building science, and many technical specifications.
How to convert atmosphere to kilopascal
1 atmosphere equals 101.325 kilopascal in this tool (via pascal):
1 atm = (101325 Pa ÷ 1000 Pa) kpa = 101.325 kpa
Each atmosphere carries 101325 Pa and each kilopascal 1000 Pa, so one atm equals 101325 ÷ 1000 kpa.
Let p(atm) be pressure in Atmosphere (atm), and p(kpa) in Kilopascal (kpa). Then:
p(kpa) = p(atm) × (101325 / 1000)
Equivalently, divide by how many atm fit into one kpa (Pa per kpa divided by Pa per atm):
p(kpa) = p(atm) ÷ 0.009869232667160128
Examples
Example #1: Convert 1 atm to kilopascal
1 atm = 1 atm × (101325/1000) kpa = 101.325 kpa
1 atm = 1 atm ÷ 0.009869232667160128 = 101.325 kpa
1 atm × (101,325/1,000) = 101.325000 kpa
Example #2: Convert 10 atm to kilopascal
10 atm = 10 atm × (101325/1000) kpa = 1013.25 kpa
10 atm = 10 atm ÷ 0.009869232667160128 = 1013.25 kpa
10 atm × (101,325/1,000) = 1,013.250000 kpa
Summary
To convert Atmosphere to Kilopascal, multiply the value in atm by (101325 Pa per atm) / (1000 Pa per kpa). Equivalently: value_kpa = value_atm × (101325 / 1000). Numerically, 1 atm equals 101.325 kpa.
Relationship context
Both Atmosphere and Kilopascal are converted by fixed multiples of the pascal. Multiplying by (Pa per atm) ÷ (Pa per kpa) gives the same result as passing through pascal, keeping bar, atm, PSI, kPa, hPa, torr, and mmHg consistent on the hub.
Conversion tables
| Atmosphere (atm) | Kilopascal (kpa) |
|---|---|
| 0.1 | 10.1325 |
| 1 | 101.325 |
| 2 | 202.65 |
| 3 | 303.975 |
| 4 | 405.3 |
| 5 | 506.625 |
| 6 | 607.95 |
| 7 | 709.275 |
| 8 | 810.6 |
| 9 | 911.925 |
| Atmosphere (atm) | Kilopascal (kpa) |
|---|---|
| 10 | 1,013.25 |
| 20 | 2,026.5 |
| 30 | 3,039.75 |
| 40 | 4,053 |
| 50 | 5,066.25 |
| 60 | 6,079.5 |
| 70 | 7,092.75 |
| 80 | 8,106 |
| 90 | 9,119.25 |
| 100 | 10,132.5 |