Pascals to Atmospheres (Pa → atm)
Formula
1 Pa = 0.000009869232667160129 atmConversion Table
| Pa | atm |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0000098692 |
| 2.0000 | 0.000019738 |
| 3.0000 | 0.000029608 |
| 4.0000 | 0.000039477 |
| 5.0000 | 0.000049346 |
| 6.0000 | 0.000059215 |
| 7.0000 | 0.000069085 |
| 8.0000 | 0.000078954 |
| 9.0000 | 0.000088823 |
| 10.000 | 0.000098692 |
| 11.000 | 0.00010856 |
| 12.000 | 0.00011843 |
| 13.000 | 0.00012830 |
| 14.000 | 0.00013817 |
| 15.000 | 0.00014804 |
| 16.000 | 0.00015791 |
| 17.000 | 0.00016778 |
| 18.000 | 0.00017765 |
| 19.000 | 0.00018752 |
| Pa | atm |
|---|---|
| 20.000 | 0.00019738 |
| 21.000 | 0.00020725 |
| 22.000 | 0.00021712 |
| 23.000 | 0.00022699 |
| 24.000 | 0.00023686 |
| 25.000 | 0.00024673 |
| 26.000 | 0.00025660 |
| 27.000 | 0.00026647 |
| 28.000 | 0.00027634 |
| 29.000 | 0.00028621 |
| 30.000 | 0.00029608 |
| 31.000 | 0.00030595 |
| 32.000 | 0.00031582 |
| 33.000 | 0.00032568 |
| 34.000 | 0.00033555 |
| 35.000 | 0.00034542 |
| 36.000 | 0.00035529 |
| 37.000 | 0.00036516 |
| 38.000 | 0.00037503 |
| 39.000 | 0.00038490 |
| Pa | atm |
|---|---|
| 40.000 | 0.00039477 |
| 41.000 | 0.00040464 |
| 42.000 | 0.00041451 |
| 43.000 | 0.00042438 |
| 44.000 | 0.00043425 |
| 45.000 | 0.00044412 |
| 46.000 | 0.00045398 |
| 47.000 | 0.00046385 |
| 48.000 | 0.00047372 |
| 49.000 | 0.00048359 |
| 50.000 | 0.00049346 |
| 51.000 | 0.00050333 |
| 52.000 | 0.00051320 |
| 53.000 | 0.00052307 |
| 54.000 | 0.00053294 |
| 55.000 | 0.00054281 |
| 56.000 | 0.00055268 |
| 57.000 | 0.00056255 |
| 58.000 | 0.00057242 |
| 59.000 | 0.00058228 |
| Pa | atm |
|---|---|
| 60.000 | 0.00059215 |
| 61.000 | 0.00060202 |
| 62.000 | 0.00061189 |
| 63.000 | 0.00062176 |
| 64.000 | 0.00063163 |
| 65.000 | 0.00064150 |
| 66.000 | 0.00065137 |
| 67.000 | 0.00066124 |
| 68.000 | 0.00067111 |
| 69.000 | 0.00068098 |
| 70.000 | 0.00069085 |
| 71.000 | 0.00070072 |
| 72.000 | 0.00071058 |
| 73.000 | 0.00072045 |
| 74.000 | 0.00073032 |
| 75.000 | 0.00074019 |
| 76.000 | 0.00075006 |
| 77.000 | 0.00075993 |
| 78.000 | 0.00076980 |
| 79.000 | 0.00077967 |
Pascals to Atmospheres Conversion
Converting Pascals (Pa) to Atmospheres (atm) is a common pressure conversion. 1 Pa equals 0.00001 atm. For example, 100 Pa is equal to 0.000987 atm.
Quick Mental Math: Pascals to Atmospheres
Divide pascals by approximately 101317.12 to convert to atmospheres.
Why is converting Pascals to Atmospheres tricky?
The non-integer divisor 101317.12 requires careful mental arithmetic.
Quick Reference Values
1 Pa = 0.00001 atm. 5 Pa = 0.000049 atm. 10 Pa = 0.000099 atm. 25 Pa = 0.000247 atm. 50 Pa = 0.000493 atm. 100 Pa = 0.000987 atm.
What is Pascals?
Pascals (Pa) is a unit of pressure. The pascal (Pa) is the SI derived unit of pressure, defined as one newton per square meter (1 Pa = 1 N/m²). It quantifies force applied evenly over an area and is expressed as kg·m⁻¹·s⁻² in base SI units [bipm-si-brochure]. Named after Blaise Pascal, the pascal was adopted by BIPM in 1971 to replace older pressure units and standardize measurement in the SI system. It reflects the link between force and area in pressure measurements [bipm-si-brochure]. Pascals are the standard pressure unit in scientific research, meteorology, and engineering globally. Countries following SI, including members of ISO and NIST guidelines, use pascals for atmospheric and mechanical pressure [nist-si-guide].
What is Atmospheres?
Atmospheres (atm) is a unit of pressure. One atmosphere (atm) is a unit of pressure defined as exactly 101,325 pascals (Pa). It approximates the average air pressure at sea level on Earth. The atmosphere unit is used for expressing pressures in meteorology and engineering [iso-80000]. The atmosphere was originally defined in the 19th century based on average sea-level air pressure. It was standardized by the International Union of Pure and Applied Chemistry (IUPAC) and other bodies to equal 101,325 Pa in the mid-20th century [nist-sp-811]. Atmospheres are used worldwide in scientific fields, including chemistry and physics, and in engineering applications like pressure vessel design. It is less common in everyday use outside these fields [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: pascal, pascals, pascel, pascall, pasceles, atmosphers, atmosfere, atmospere, atmospherics. All of these refer to the Pascals to Atmospheres conversion.