kPa to mmHg Converter
Quick answer: To convert kPa to mmHg, multiply by 7.500616. For example, 10 kPa is 75.00616 mmHg. One kilopascal equals 7.500616 mmHg.
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Use the kPa to mmHg Converter
kPa to mmHg formula and what each symbol means
mmHg = kPa × 7.500616
| Symbol | Meaning |
|---|---|
| kPa | Kilopascal |
| mmHg | Millimeter of mercury |
kPa to mmHg examples
1 kPa
1 kPa × 7.500616 = 7.500616 mmHg.
10 kPa
10 kPa × 7.500616 = 75.00616 mmHg.
100 kPa
100 kPa × 7.500616 = 750.0616 mmHg.
kPa compared with mmHg
One kPa is 7.501 times as large as one mmHg, so your number gets bigger when you convert kPa to mmHg and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About kPa and mmHg
Kilopascal (kPa): 1,000 pascals. Millimeter of mercury (mmHg): Millimetre of mercury, about 133.322 pascals.
Where kPa to mmHg conversions are used
Tyre pressure is shown in psi, bar or kPa, depending on the vehicle and country. Weather maps use hectopascals or millibars, and altitude and diving use bar or atmospheres.
How to calculate kPa to mmHg step by step
- Enter the value in kPa (the starting unit).
- Multiply by 7.500616, because 1 kPa = 7.500616 mmHg.
- The product is the value in mmHg. To go back, divide by 7.500616 or multiply by 0.1333224.
Popular pressure conversions
How to read your kPa to mmHg result
Quick estimate: multiply by about 7.5 to get mmHg from kPa; this is within 0.1% of the exact factor. One standard atmosphere is exactly 101,325 Pa, and one bar is exactly 100,000 Pa.
| KPA | MMHG |
|---|---|
| 1 | 7.500616 |
| 2 | 15.00123 |
| 5 | 37.50308 |
| 10 | 75.00616 |
| 20 | 150.0123 |
| 50 | 375.0308 |
| 100 | 750.0616 |
| 1,000 | 7,500.616 |
mmHg to kPa: quick table
| MMHG | KPA |
|---|---|
| 1 | 0.1333224 |
| 5 | 0.6666119 |
| 10 | 1.333224 |
| 25 | 3.33306 |
| 50 | 6.666119 |
| 100 | 13.33224 |
| 250 | 33.3306 |
| 500 | 66.66119 |
Common mistakes when calculating kPa to mmHg
- Treating gauge pressure and absolute pressure as the same: absolute pressure equals gauge plus atmospheric pressure.
- Dividing when you should multiply: from kPa to mmHg multiply by 7.500616; from mmHg to kPa divide by 7.500616.
kPa to mmHg FAQ
How many mmHg are in 1 kPa?
1 kPa equals 7.500616 mmHg.
How many kPa are in 1 mmHg?
1 mmHg equals 0.1333224 kPa.
Is 1 kPa = 7.500616 mmHg an exact conversion?
The factor is shown rounded to 7 significant figures (7.500616). The calculator above uses more digits.
What is a millimeter of mercury (mmHg)?
Millimetre of mercury, about 133.322 pascals.
How can I estimate kPa to mmHg in my head?
Quick estimate: multiply by about 7.5 to get mmHg from kPa; this is within 0.1% of the exact factor.
What is 25 kPa in mmHg?
25 kPa = 187.5154 mmHg (since 25 × 7.500616).
What is 80 kPa in mmHg?
80 kPa = 600.0493 mmHg (since 80 × 7.500616).
What is 500 kPa in mmHg?
500 kPa = 3,750.308 mmHg (since 500 × 7.500616).
How many decimals should I keep when converting kPa to mmHg?
Match the precision of your original measurement. For example, 75.00616 mmHg rounds to 75 mmHg at 3 significant figures; keep more digits only for engineering or scientific work.
More in Pressure converters
- mmHg to Atmospheres Converter
- Bar to PSI Converter
- mmHg to Bar Converter
- Bar to Pascals Converter
- Bar to mmHg Converter
- mmHg to Pascals Converter
See all pressure converters tools · All Conversion calculators · Site map
Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the SI derived units