Millimeters of mercury to Kilopascals Converter mmHg → kPa

1 millimeter of mercury (mmHg) = 0.1333223874 kilopascals (kPa). Type a value below — the conversion happens instantly, entirely on your device.

From

1 mmHg = 0.1333223874 kPa

Precision

120 millimeters of mercury = 15.998686 kilopascals

120 × 0.133322 = 15.998686

1 mmHg equals 0.133322 kPa, so multiplying by 0.133322 converts the value. The result describes the exact same quantity — only the measuring stick changes.

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How to convert millimeters of mercury to kilopascals

kilopascals = millimeters of mercury × 0.1333223874 — multiply the millimeter of mercury value by 0.133322.

Example: 120 mmHg = 15.9987 kPa.

To convert the other way: millimeters of mercury = kilopascals ÷ 0.1333223874

Millimeters-of-mercury-to-kilopascals is a medical conversion — a 120/80 mmHg blood pressure is 16.0/10.7 kPa, the format some European and scientific records use. One mmHg is 0.1333 kPa.

Millimeters of mercury to Kilopascals conversion table

Millimeters of mercury (mmHg)	Kilopascals (kPa)
0.1	0.013332239
0.25	0.033330597
0.5	0.066661194
1	0.13332239
2	0.26664477
3	0.39996716
4	0.53328955
5	0.66661194
6	0.79993432
7	0.93325671
8	1.0665791
9	1.1999015
10	1.3332239
15	1.9998358
20	2.6664477
25	3.3330597
30	3.9996716
40	5.3328955
50	6.6661194
75	9.9991791
100	13.332239
250	33.330597
500	66.661194
1000	133.32239

About the units

What is a millimeter of mercury?

A millimeter of mercury (mmHg) is 133.322 Pa. Blood pressure worldwide is measured in mmHg — a healthy reading is around 120/80 mmHg.

What is a kilopascal?

A kilopascal (kPa) is 1,000 pascals. Tire pressures in many countries and weather reports in Canada use kilopascals; standard atmosphere is 101.325 kPa.

Frequently asked questions

How many kilopascals are in 1 millimeter of mercury?

1 millimeter of mercury (mmHg) = 0.1333223874 kilopascals (kPa).

What is the formula to convert millimeters of mercury to kilopascals?

kilopascals = millimeters of mercury × 0.1333223874 — multiply the millimeter of mercury value by 0.133322.

How do I convert mmHg to kPa without a calculator?

Multiply by 0.133 for a close estimate. Exact factor: 1 mmHg = 0.1333223874 kPa.

Is this mmHg-to-kPa converter accurate and private?

Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.