Conversion Result
1.2 atm equals approximately 120.96 kpa.
This conversion is based on the fact that 1 atm equals 101.3 kpa. By multiplying 1.2 atm by 101.3, we get the equivalent pressure in kilopascals, which results in about 120.96 kpa.
Conversion Tool
Result in kpa:
Conversion Formula
The formula to convert atm to kpa is simple: multiply the amount in atm by 101.3. This is because 1 atm equals 101.3 kpa, a standard pressure measurement derived from the international standard atmosphere. For example, to convert 2 atm, you do 2 × 101.3 = 202.6 kpa.
Conversion Example
- Convert 0.5 atm:
- Multiply 0.5 by 101.3
- 0.5 × 101.3 = 50.65 kpa
- Convert 2.5 atm:
- Multiply 2.5 by 101.3
- 2.5 × 101.3 = 253.25 kpa
- Convert 4 atm:
- Multiply 4 by 101.3
- 4 × 101.3 = 405.2 kpa
- Convert 1.8 atm:
- Multiply 1.8 by 101.3
- 1.8 × 101.3 = 182.34 kpa
- Convert 3.7 atm:
- Multiply 3.7 by 101.3
- 3.7 × 101.3 = 374.81 kpa
Conversion Chart
| atm | kpa |
|---|---|
| -23.8 | -2410.94 |
| -20.0 | -2026.00 |
| -15.0 | -1519.50 |
| -10.0 | -1013.00 |
| -5.0 | -506.50 |
| 0.0 | 0.00 |
| 1.0 | 101.3 |
| 5.0 | 506.5 |
| 10.0 | 1013.0 |
| 15.0 | 1519.5 |
| 20.0 | 2026.0 |
| 25.0 | 2532.5 |
| 26.2 | 2654.66 |
This chart helps to quickly see the approximate pressure in kpa for various atm values. To use, find your atm value and read across to see the equivalent kpa.
Related Conversion Questions
- How many kpa is 1.2 atm?
- What is the atm to kpa conversion factor for 1.2 atm?
- Can I convert 1.2 atm to kpa without a calculator?
- How do I calculate kpa from atm for 1.2 atm?
- What is the pressure in kpa if the pressure is 1.2 atm?
- How to convert 1.2 atm to kpa manually?
- Is 1.2 atm equal to 120.96 kpa?
Conversion Definitions
atm
Atmosphere (atm) is a unit measuring pressure, based on the average atmospheric pressure at sea level, equaling 101.3 kpa. It is widely used in science and engineering to quantify pressure differences and gas laws.
kpa
Kilopascal (kpa) is a pressure unit in the metric system equal to 1,000 pascals. It is used to measure stresses, pressures in fluids, and atmospheric conditions, making it a common standard in various scientific and technical applications.
Conversion FAQs
Why does multiplying by 101.3 convert atm to kpa?
This multiplication works because 1 atm equals exactly 101.3 kpa. The conversion factor is derived from the international agreement on standard atmospheric pressure, ensuring consistency across measurements and calculations.
Can I convert atm to kpa for any pressure value using this formula?
Yes, the formula applies universally for any pressure expressed in atm. Simply multiply the atm value by 101.3 to find the corresponding pressure in kpa, regardless of whether the pressure is above or below atmospheric pressure.
What is the significance of 101.3 in the conversion?
The number 101.3 stems from the standard atmospheric pressure at sea level, defined as 1 atm. It serves as the conversion constant, linking the two units and enabling straightforward calculations between them.
Are there other units similar to atm and kpa for pressure measurement?
Yes, units like psi (pounds per square inch), bar, and Torr are also used to measure pressure. Each has its own use depending on context, but atm and kpa are among the most common in scientific and technical fields.
Last Updated : 21 June, 2025
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Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.