4 Psi to Kpa – Answer and Calculator Tool

4 psi equals approximately 27.58 kpa

Converting 4 psi to kpa results in about 27.58 kilopascals. This conversion helps in understanding pressure measurements across different systems and units. Knowing this, engineers and scientists can easily switch between units depending on their needs.

To convert psi to kpa, the basic idea is to multiply the psi value by 6.89476. Since 1 psi equals 6.89476 kpa, when you have 4 psi, multiplying 4 by 6.89476 gives the equivalent pressure in kilopascals. This conversion factor is derived from the relationship between pounds per square inch and kilopascals, where 1 psi equals exactly 6.89476 kpa.

Conversion Tool


Result in kpa:

Conversion Formula

The formula to convert psi to kpa is straightforward: multiply the psi value by 6.89476. This conversion works because 1 psi equals 6.89476 kpa, which is based on the relationship between pounds per square inch and kilopascals. For example, to convert 4 psi:

  • Multiply 4 by 6.89476.
  • 4 × 6.89476 = 27.57904.
  • So, 4 psi is approximately 27.58 kpa when rounded to two decimal places.

Conversion Example

  • Convert 2 psi:
    • Step 1: Take 2 as the psi value.
    • Step 2: Multiply 2 by 6.89476.
    • Result: 2 × 6.89476 = 13.78952.
    • Answer: 2 psi equals approximately 13.79 kpa.
  • Convert 10 psi:
    • Step 1: Take 10 as the psi value.
    • Step 2: Multiply 10 by 6.89476.
    • Result: 10 × 6.89476 = 68.9476.
    • Answer: 10 psi is about 68.95 kpa.
  • Convert 5 psi:
    • Step 1: Take 5 as the psi value.
    • Step 2: Multiply 5 by 6.89476.
    • Result: 5 × 6.89476 = 34.4738.
    • Answer: 5 psi equals roughly 34.47 kpa.

Conversion Chart

psi kpa
-21.0 -145.01
-20.0 -137.89
-19.0 -130.78
-18.0 -123.66
-17.0 -116.55
-16.0 -109.43
-15.0 -102.32
-14.0 -95.2
-13.0 -88.09
-12.0 -80.97
-11.0 -73.86
-10.0 -66.74
-9.0 -59.63
-8.0 -52.51
-7.0 -45.4
-6.0 -38.28
-5.0 -31.17
-4.0 -24.05
-3.0 -16.94
-2.0 -9.82
-1.0 -2.71
0.0 0.00
1.0 6.89
2.0 13.79
3.0 20.68
4.0 27.58
5.0 34.47
6.0 41.37
7.0 48.26
8.0 55.14
9.0 62.03
10.0 68.93
11.0 75.82
12.0 82.72
13.0 89.61
14.0 96.49
15.0 103.39
16.0 110.28
17.0 117.16
18.0 124.06
19.0 130.95
20.0 137.85
21.0 144.74
22.0 151.62
23.0 158.52
24.0 165.41
25.0 172.31
26.0 179.2
27.0 186.08
28.0 192.98
29.0 199.87

Use this chart to quickly find the kpa equivalent for psi values in the range from -21 to 29. Read the psi value on the left and find the corresponding kpa value on the right to see the pressure conversion at a glance.

Related Conversion Questions

  • How many kilopascals are in 4 psi?
  • What is 4 psi in kpa units for pressure measurements?
  • How do I convert 4 pounds per square inch to kilopascals?
  • What is the equivalent of 4 psi in kpa in scientific notation?
  • Can you show me the formula to change 4 psi into kilopascals?
  • What is the pressure in kpa for a tire with 4 psi?
  • How does 4 psi compare to 27.58 kpa?

Conversion Definitions

psi

Psi (pounds per square inch) measures pressure by quantifying the force in pounds applied over a one-square-inch area, used mainly in the US for tire pressure and other pressure readings, making it a common unit in industrial and automotive contexts.

kpa

Kilopascal (kpa) is a metric pressure unit where 1 kpa equals 1,000 pascals, measuring the force exerted over an area in the SI system, often used in weather forecasts, engineering, and scientific applications for pressure readings.

Conversion FAQs

What does 4 psi mean in terms of kpa?

It indicates a pressure of approximately 27.58 kilopascals, which is useful in scientific, engineering, or automotive settings where pressure units need to be converted for clarity or compliance with local standards.

How accurate is the conversion from psi to kpa?

The conversion uses the fixed factor 6.89476, providing high accuracy in most practical situations. For precise scientific measurements, ensure to use the exact factor and consider measurement device tolerances.

Can I convert psi to other pressure units using this tool?

No, this specific conversion tool only converts psi to kpa. To convert to other units like bar or atm, additional formulas or tools are necessary.