Psi to Kilopascal Converter
Enter the value that you want to convert psi to kilopascal (kPa) or kilopascal to psi.
1 psi = 6.8947573 kilopascal
Formula: kilopascal = psi value × 6.8947573
psi to kilopascal
10 psi = 68.94757 kilopascal
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Why Convert Psi to Kilopascal?
What is Psi?
Psi (psi) is a unit of pressure measurement. 1 psi is equal to 6.8947573 kilopascal.
The Kilopascal in Engineering
Kilopascal (kPa) is a unit of pressure measurement. 1 kilopascal is equal to 0.1450377 psi.
Pressure Units Across Industries
Pressure measurements vary dramatically by industry. Meteorologists report in millibars or hectopascals, tire shops use PSI, scuba divers think in atmospheres or bar, vacuum engineers work in torr, and hydraulic systems specify in megapascals. A single industrial plant might encounter all these units across different equipment manuals, safety datasheets, and regulatory standards from different countries.
psi to kilopascal metric conversion table
| 0.01 psi | = | 0.06895 kPa |
| 0.1 psi | = | 0.68948 kPa |
| 1 psi | = | 6.89476 kPa |
| 2 psi | = | 13.78951 kPa |
| 3 psi | = | 20.68427 kPa |
| 4 psi | = | 27.57903 kPa |
| 5 psi | = | 34.47379 kPa |
| 6 psi | = | 41.36854 kPa |
| 7 psi | = | 48.26330 kPa |
| 8 psi | = | 55.15806 kPa |
| 9 psi | = | 62.05282 kPa |
| 10 psi | = | 68.94757 kPa |
| 11 psi | = | 75.84233 kPa |
| 12 psi | = | 82.73709 kPa |
| 13 psi | = | 89.63184 kPa |
| 14 psi | = | 96.52660 kPa |
| 15 psi | = | 103.42136 kPa |
| 16 psi | = | 110.31612 kPa |
| 17 psi | = | 117.21087 kPa |
| 18 psi | = | 124.10563 kPa |
| 19 psi | = | 131.00039 kPa |
| 20 psi | = | 137.89515 kPa |
| 30 psi | = | 206.84272 kPa |
| 40 psi | = | 275.79029 kPa |
| 50 psi | = | 344.73786 kPa |
| 60 psi | = | 413.68544 kPa |
| 70 psi | = | 482.63301 kPa |
| 80 psi | = | 551.58058 kPa |
| 90 psi | = | 620.52816 kPa |
| 100 psi | = | 689.47573 kPa |
| 200 psi | = | 1378.95146 kPa |
| 300 psi | = | 2068.42719 kPa |
| 400 psi | = | 2757.90292 kPa |
| 500 psi | = | 3447.37865 kPa |
| 600 psi | = | 4136.85438 kPa |
| 700 psi | = | 4826.33011 kPa |
| 800 psi | = | 5515.80583 kPa |
| 900 psi | = | 6205.28156 kPa |
| 1000 psi | = | 6894.75729 kPa |
How to Convert Psi to Kilopascal?
We can convert psi to kilopascal by using an example.
Example:
Convert 20 Psi to Kilopascal?
We know 1 Psi = 6.8947573 kilopascal; 1 Kilopascal = 0.1450377 psi.
20 psi = ___kPa
20 × 6.8947573 = 137.89515 kPa (we know 1 psi = 6.8947573 kilopascal)
Answer:
20 psi = 137.89515 kilopascal
How to Convert PSI to kPa (Step-by-Step)
Converting PSI to kilopascals (kPa) is necessary when working with international tire specifications, particularly for Japanese, Australian, and Korean vehicles that display tire pressures in kPa. The conversion factor is 1 PSI = 6.89476 kPa.
- Write down the pressure value in PSI.
- Multiply the PSI value by 6.89476.
- The result is the equivalent pressure in kilopascals (kPa).
- For quick estimation, multiply PSI by 7 (overshoots by ~1.5%).
Common PSI to kPa Conversions
Tire pressures and common industrial pressures in both PSI and kPa, useful for international automotive specifications.
| Psi | Kilopascal |
|---|---|
| 14.7 PSI | 101.3 kPa |
| 26 PSI | 179.3 kPa |
| 30 PSI | 206.8 kPa |
| 32 PSI | 220.6 kPa |
| 35 PSI | 241.3 kPa |
| 44 PSI | 303.4 kPa |
| 60 PSI | 413.7 kPa |
| 80 PSI | 551.6 kPa |
| 100 PSI | 689.5 kPa |
Solved Examples: PSI to kPa
Question 1: A Toyota imported from Japan shows 230 kPa on the tire placard. Your gauge reads 33 PSI. Is the tire properly inflated?
Solution:
Convert 33 PSI to kPa: 33 × 6.89476 = 227.5 kPa
Compare: 227.5 kPa vs. 230 kPa recommended
Difference: 2.5 kPa (about 0.4 PSI) — slightly under
Answer: 33 PSI = 227.5 kPa, slightly below the 230 kPa target. Add air to reach 34 PSI (234.4 kPa).
Question 2: Convert a 44 PSI maximum tire pressure to kPa for an Australian tire shop.
Solution:
Pressure in kPa = 44 × 6.89476
= 303.37 kPa
Answer: 44 PSI = 303.4 kPa maximum cold inflation pressure.
Question 3: A gas pipeline operates at 60 PSI. Express this in kPa for an international safety report.
Solution:
Pressure in kPa = 60 × 6.89476
= 413.69 kPa
Answer: 60 PSI = 413.7 kPa — typical residential gas distribution pressure.
Practice Questions: PSI to kPa
Try solving these on your own to test your understanding:
- Convert 28 PSI to kPa. (Answer: 193.1 kPa)
- A football is inflated to 13 PSI. What is this in kPa? (Answer: 89.6 kPa)
- Convert 50 PSI to kPa. (Answer: 344.7 kPa)
- A pressure cooker operates at 15 PSI above atmosphere. What is the gauge pressure in kPa? (Answer: 103.4 kPa)
- Convert 120 PSI (air compressor) to kPa. (Answer: 827.4 kPa)
International Tire Pressure Standards: PSI vs. kPa
Japan, Australia, South Korea, and most ISO-standard countries display tire pressures in kPa on door placards. The US and UK use PSI. When buying a Japanese-import vehicle (JDM), the tire placard will show values like 220-240 kPa. A quick conversion: divide kPa by 7 to get approximate PSI. Digital tire gauges sold in Australia typically display kPa by default with a PSI toggle option.
Understanding kPa in Weather and Aviation
Beyond tires, kPa appears in weather reports (standard atmospheric pressure = 101.325 kPa) and aviation (altimeter settings). A drop of 1 kPa in barometric pressure often signals approaching weather systems. Pilots monitor pressure in hectopascals (hPa), where 1 hPa = 0.1 kPa. Understanding PSI-to-kPa conversion helps American pilots interpret international weather reports (METAR) that use hPa.
The Kilopascal in Engineering Standards
ISO and many international engineering standards specify pressures in kPa or MPa. Concrete compressive strength is reported in MPa (1 MPa = 1000 kPa). Soil bearing capacity is often in kPa (typical residential: 75-150 kPa). Blood pressure in some European countries is reported in kPa rather than mmHg (120/80 mmHg = 16.0/10.7 kPa). Converting from PSI to kPa bridges US practice with international standards.
Key Takeaways
- Multiply PSI by 6.89476 to get kPa (or approximate with ×7).
- Standard atmosphere: 14.7 PSI = 101.3 kPa.
- Japanese/Australian tire pressures: typically 220-250 kPa (32-36 PSI).
- Divide kPa by 7 for a quick mental conversion back to PSI.
- kPa is used in ISO standards, weather reports, and international engineering.
- Many digital gauges toggle between PSI, bar, and kPa — always check the displayed unit.
Psi to Kilopascal Conversion Formula
kilopascal = psi × 6.8947573
1 psi = 6.8947573 kilopascal
1 kilopascal = 0.1450377 psi
Reverse: psi = kilopascal × 0.1450377
Frequently Asked Questions
How many kilopascal are in 1 psi?
There are 6.8947573 kilopascal in 1 psi. To convert psi to kilopascal, multiply the value by 6.8947573.
How do I convert psi to kilopascal?
Multiply your psi value by 6.8947573 to get the equivalent in kilopascal. For example, 5 psi = 5 × 6.8947573 = 34.47379 kilopascal.
How do I convert kilopascal to psi?
Multiply your kilopascal value by 0.1450377 to get the equivalent in psi. Alternatively, divide by 6.8947573.
What is 10 psi in kilopascal?
10 psi is equal to 68.94757 kilopascal.
What is 100 psi in kilopascal?
100 psi is equal to 689.47573 kilopascal.