Conversion Result
1.2 atm equals approximately 120.96 kpa.
To convert 1.2 atm to kilopascals, multiply 1.2 by 101.3, which is the number of kilopascals in one atmosphere. This calculation gives the result in kpa, providing a direct measurement of pressure in SI units.
Conversion Tool
Result in kpa:
Conversion Formula
The conversion from atm to kpa relies on the factor 101.3, because one atmosphere equals exactly 101.3 kilopascals. To perform the conversion, you multiply the atm value by 101.3, which converts the pressure from atmospheres to kilopascals. For example, 2 atm times 101.3 equals 202.6 kpa, showing a direct proportional relationship.
Conversion Example
- Convert 0.5 atm:
- Step 1: Write the formula: 0.5 × 101.3
- Step 2: Multiply: 0.5 × 101.3 = 50.65
- Step 3: Result is 50.65 kpa
- Convert 2.5 atm:
- Step 1: Write the formula: 2.5 × 101.3
- Step 2: Multiply: 2.5 × 101.3 = 253.25
- Step 3: Result is 253.25 kpa
- Convert 1.8 atm:
- Step 1: Write the formula: 1.8 × 101.3
- Step 2: Multiply: 1.8 × 101.3 = 182.34
- Step 3: Result is 182.34 kpa
Conversion Chart
| atm | kpa |
|---|---|
| -23.8 | -2413.94 |
| -20.0 | -2026.00 |
| -10.0 | -1013.00 |
| 0.0 | 0.00 |
| 5.0 | 506.50 |
| 10.0 | 1013.00 |
| 15.0 | 1519.50 |
| 20.0 | 2026.00 |
| 25.0 | 2532.50 |
| 26.2 | 2654.06 |
This chart shows the equivalent kpa for different atm values. To find the pressure in kpa, locate the atm value in the first column, then read across to see the corresponding kpa in the second column.
Related Conversion Questions
- How many kilopascals are in 1.2 atmospheres?
- What is the pressure in kpa equivalent to 1.2 atm?
- Can I convert 1.2 atm to kpa using an online calculator?
- What is the formula to change atm to kpa for 1.2 atm?
- Is 1.2 atm equal to 120.96 kpa?
- What other units can I use to measure 1.2 atm pressure?
- How do I manually convert 1.2 atmospheres to kpa?
Conversion Definitions
atm
Atmosphere (atm) is a unit of pressure that measures the force exerted by the weight of air in Earth’s atmosphere at sea level, equivalent to 101,325 pascals, used commonly in physics and chemistry to express pressure conditions.
kpa
Kilopascal (kpa) is a metric pressure unit equal to 1,000 pascals, widely used in engineering, meteorology, and physics to quantify pressure, with 101.3 kpa representing standard atmospheric pressure at sea level.
Conversion FAQs
Why is 1 atm equal to 101.3 kpa?
This equality is based on the definition of atmospheric pressure at sea level, where 1 atm is established as exactly 101.3 kilopascals by international agreement, ensuring consistency across scientific measurements.
How accurate is multiplying atm by 101.3 for conversions?
This method provides precise results for standard conditions because 101.3 kpa is an exact conversion factor derived from the definition of 1 atm, but slight variations occur under different temperature or altitude conditions.
Can I use a different conversion factor for specific applications?
Yes, in certain specialized fields or under non-standard conditions, alternative conversion factors might be used, but for general purposes, multiplying atm by 101.3 remains the standard method.
What is the SI unit of pressure, and how does kpa relate to it?
The SI unit of pressure is the pascal (Pa), where 1 kpa equals 1,000 pascals, making kilopascals a convenient subunit for expressing common pressures like atmospheric pressure.