Inch of mercury to Kilopascal

1 inHg = 3.386389 kPa

Value

From

Precision & format

Significant figures

Notation

1 inHg equals

3.386389kPa

All 18 units

PascalPa
3,386.389
KilopascalkPa
3.386389
MegapascalMPa
0.003386389
HectopascalhPa
= 1 mbar
33.86389
Barbar
0.03386389
Millibarmbar
33.86389
Standard atmosphereatm
0.03342106094
Pound per square inchpsi
0.4911541996
Kilopound per square inchksi
0.0004911541996
Pound per square footpsf
70.72620475
TorrTorr
1/760 atm
25.40000632
Millimeter of mercurymmHg
conventional
25.4000027
Centimeter of mercurycmHg
2.54000027
Inch of mercuryinHg
conventional
1
Millimeter of watermmH₂O
conventional
345.3155767
Meter of watermH₂O
0.3453155767
Inch of waterinH₂O
at 4 °C
13.59510154
Kilogram-force per cm²kgf/cm²
technical atmosphere
0.03453155767

Inch of mercury to Kilopascal table

Common Inch of mercury values converted to Kilopascal
Inch of mercury (inHg)	Kilopascal (kPa)
1	3.386389
2	6.772778
5	16.931945
10	33.86389
20	67.72778
50	169.31945
100	338.6389
250	846.59725
500	1,693.1945
1,000	3,386.389

How the conversion works

Multiply the inch of mercury figure by 3.386389 to get kilopascal. Every factor on this site is anchored to the SI base unit for pressure, so the same number is used everywhere it appears.

Going the other way, 1 kPa = 0.2952998 inHg — see kilopascal to inch of mercury.

See all 18 pressure units →