mmHg to Kilopascals
Convert mmhg to kilopascals instantly. 1 mmHg = 0.1333223874 kPa. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert mmhg to kilopascals
To convert mmhg to kilopascals, divide by 7.5006157585 (multiply by 0.1333223874). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
kPa = mmHg × 0.1333223874
mmHg to Kilopascals conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| mmHg | Kilopascals |
|---|---|
| 1 mmHg | 0.133322 kPa |
| 2 mmHg | 0.266645 kPa |
| 3 mmHg | 0.399967 kPa |
| 5 mmHg | 0.666612 kPa |
| 10 mmHg | 1.333224 kPa |
| 20 mmHg | 2.666448 kPa |
| 25 mmHg | 3.33306 kPa |
| 50 mmHg | 6.666119 kPa |
| 100 mmHg | 13.332239 kPa |
| 500 mmHg | 66.661194 kPa |
| 1,000 mmHg | 133.322387 kPa |
What is a mmhg?
Millimetres of mercury, still the clinical unit for blood pressure.
What is a kilopascal?
A thousand pascals. The metric working unit for tyre and system pressures.
The formula
kPa = mmHg × 0.1333223874
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the mmHg to Kilopascals
- Type the number of mmhg you want to convert.
- Read the result in kilopascals straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked kilopascals to mmhg page.
mmHg to Kilopascals — frequently asked questions
How many kilopascals are in a mmhg?
One mmhg equals 0.1333223874 kPa. kPa = mmHg × 0.1333223874
What is the formula to convert mmhg to kilopascals?
The formula is kPa = mmHg × 0.1333223874. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert kilopascals back to mmhg?
Divide instead of multiplying: one kilopascal is 7.5006157585 mmHg. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this mmhg to kilopascals free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error