Millimetres of Mercury to Kilopascals
Type a value in millimetres of mercury to see it in kilopascals. It works both ways: type in the kilopascals box to convert back.
Formula
To convert millimetres of mercury to kilopascals, divide by 7.500615758 (the same as multiplying by 0.1333223874).
1 mmHg = 0.133322387415 kPa and 1 kPa = 7.50061575846 mmHg.
Millimetres of mercury to kilopascals table
| Millimetres of mercury | Kilopascals |
|---|---|
| 60 mmHg | 7.999343 kPa |
| 80 mmHg | 10.66579 kPa |
| 90 mmHg | 11.99901 kPa |
| 100 mmHg | 13.33224 kPa |
| 120 mmHg | 15.99869 kPa |
| 140 mmHg | 18.66513 kPa |
| 160 mmHg | 21.33158 kPa |
| 760 mmHg | 101.325 kPa |
Worked examples
80 mmHg in kilopascals
80 mmHg
10.66579 kPa
80 × 0.1333223874 = 10.66579099
120 mmHg in kilopascals
120 mmHg
15.99869 kPa
120 × 0.1333223874 = 15.99868649
160 mmHg in kilopascals
160 mmHg
21.33158 kPa
160 × 0.1333223874 = 21.33158199
About Millimetres of Mercury to Kilopascals
This converter turns millimetres of mercury into kilopascals as you type, and works the other way too: type in the kilopascals box to convert back. To convert millimetres of mercury to kilopascals, divide by 7.500615758 (the same as multiplying by 0.1333223874). For example, 80 mmHg is 10.66579 kPa, and 120 mmHg is 15.99869 kPa.
Pressure is quoted in different units for tyres, weather, blood pressure and engineering, so converting between bar, psi, kilopascals and millimetres of mercury is common. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use Millimetres of Mercury to Kilopascals
- Type the amount in millimetres of mercury in the first box.
- Read the answer in kilopascals in the second box and in the result line below.
- To convert the other way, type in the kilopascals box instead, or use the swap button to open the kilopascals to millimetres of mercury page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Setting tyre pressures from a handbook in another unit
- Reading air pressure on a barometer or forecast
- Understanding a blood pressure reading
- Checking boiler, pump or compressor pressures
Frequently asked questions
How many kilopascals are in one millimetre of mercury?
There are 0.1333223874 kilopascals in one millimetre of mercury. This figure is exact, because both units have fixed definitions.
How do I convert millimetres of mercury to kilopascals?
To convert millimetres of mercury to kilopascals, divide by 7.500615758 (the same as multiplying by 0.1333223874). For example, 160 mmHg is 21.33158 kPa.
How do I convert kilopascals to millimetres of mercury?
Going the other way, multiply by 7.500615758. The kilopascals to millimetres of mercury converter does this for you.
What is 120 mmHg in kilopascals?
120 mmHg is 15.99869 kPa.
What is normal air pressure at sea level?
Standard atmospheric pressure is 1,013.25 hectopascals, which is 1 atmosphere, about 14.7 psi or 760 mmHg. Real air pressure changes with the weather.