Pounds per Square Inch to Hectopascals (psi → hPa)
Formula
1 psi = 68.94757 hPaConversion Table
| psi | hPa |
|---|---|
| 0 | 0 |
| 1.0000 | 68.948 |
| 2.0000 | 137.90 |
| 3.0000 | 206.84 |
| 4.0000 | 275.79 |
| 5.0000 | 344.74 |
| 6.0000 | 413.69 |
| 7.0000 | 482.63 |
| 8.0000 | 551.58 |
| 9.0000 | 620.53 |
| 10.000 | 689.48 |
| 11.000 | 758.42 |
| 12.000 | 827.37 |
| 13.000 | 896.32 |
| 14.000 | 965.27 |
| 15.000 | 1,034.2 |
| 16.000 | 1,103.2 |
| 17.000 | 1,172.1 |
| 18.000 | 1,241.1 |
| 19.000 | 1,310.0 |
| psi | hPa |
|---|---|
| 20.000 | 1,379.0 |
| 21.000 | 1,447.9 |
| 22.000 | 1,516.8 |
| 23.000 | 1,585.8 |
| 24.000 | 1,654.7 |
| 25.000 | 1,723.7 |
| 26.000 | 1,792.6 |
| 27.000 | 1,861.6 |
| 28.000 | 1,930.5 |
| 29.000 | 1,999.5 |
| 30.000 | 2,068.4 |
| 31.000 | 2,137.4 |
| 32.000 | 2,206.3 |
| 33.000 | 2,275.3 |
| 34.000 | 2,344.2 |
| 35.000 | 2,413.2 |
| 36.000 | 2,482.1 |
| 37.000 | 2,551.1 |
| 38.000 | 2,620.0 |
| 39.000 | 2,689.0 |
| psi | hPa |
|---|---|
| 40.000 | 2,757.9 |
| 41.000 | 2,826.9 |
| 42.000 | 2,895.8 |
| 43.000 | 2,964.7 |
| 44.000 | 3,033.7 |
| 45.000 | 3,102.6 |
| 46.000 | 3,171.6 |
| 47.000 | 3,240.5 |
| 48.000 | 3,309.5 |
| 49.000 | 3,378.4 |
| 50.000 | 3,447.4 |
| 51.000 | 3,516.3 |
| 52.000 | 3,585.3 |
| 53.000 | 3,654.2 |
| 54.000 | 3,723.2 |
| 55.000 | 3,792.1 |
| 56.000 | 3,861.1 |
| 57.000 | 3,930.0 |
| 58.000 | 3,999.0 |
| 59.000 | 4,067.9 |
| psi | hPa |
|---|---|
| 60.000 | 4,136.9 |
| 61.000 | 4,205.8 |
| 62.000 | 4,274.7 |
| 63.000 | 4,343.7 |
| 64.000 | 4,412.6 |
| 65.000 | 4,481.6 |
| 66.000 | 4,550.5 |
| 67.000 | 4,619.5 |
| 68.000 | 4,688.4 |
| 69.000 | 4,757.4 |
| 70.000 | 4,826.3 |
| 71.000 | 4,895.3 |
| 72.000 | 4,964.2 |
| 73.000 | 5,033.2 |
| 74.000 | 5,102.1 |
| 75.000 | 5,171.1 |
| 76.000 | 5,240.0 |
| 77.000 | 5,309.0 |
| 78.000 | 5,377.9 |
| 79.000 | 5,446.9 |
Pounds per Square Inch to Hectopascals Conversion
Converting Pounds per Square Inch (psi) to Hectopascals (hPa) is a common pressure conversion. 1 psi equals 68.94757 hPa. For example, 100 psi is equal to 6,894.757 hPa.
Quick Reference Values
1 psi = 68.94757 hPa. 5 psi = 344.73785 hPa. 10 psi = 689.4757 hPa. 25 psi = 1,723.68925 hPa. 50 psi = 3,447.3785 hPa. 100 psi = 6,894.757 hPa.
What is Pounds per Square Inch?
Pounds per Square Inch (psi) is a unit of pressure. Pounds per square inch (psi) measures pressure as force in pounds applied over one square inch of area. It is defined as 1 psi = 6,894.76 pascals in the SI unit system [nist-si-guide]. Psi originated in English-speaking countries for engineering and industrial applications during the 19th century, formalized through American standards for pressure measurement [nist-si-guide]. Psi remains common in the United States, Canada, and the UK for tire pressure, hydraulic systems, and HVAC industries. It is also referenced in international engineering standards [nist-sp-811].
What is Hectopascals?
Hectopascals (hPa) is a unit of pressure. The hectopascal is a unit of pressure equal to 100 pascals. It is defined as exactly 100 newtons per square meter (100 N/m²), where the pascal (Pa) is the SI derived unit of pressure. The hectopascal is widely used in meteorology for atmospheric pressure measurements and aligns with the SI system as per international standards [bipm-si-brochure]. The pascal unit was named after Blaise Pascal and officially adopted by the General Conference on Weights and Measures (CGPM) in 1971. The hectopascal emerged as a convenient multiple used in meteorology to represent atmospheric pressure values in the 20th century [cgpm-resolutions]. Hectopascals are standard in weather reports worldwide, especially in Europe, Asia, and Australia. The US National Weather Service uses millibars, numerically equivalent to hectopascals, for atmospheric pressure. It is recognized by ISO 80000 as a unit of pressure [iso-80000].
Common Misspellings
People often search for this conversion using these alternate spellings: pounds per square inch, pound per sq inch, psiin, hecto pascals, hecto-pascals, hecto pascal, hec topascal. All of these refer to the Pounds per Square Inch to Hectopascals conversion.