Pounds per square inch to conventional millimetre of mercury converter
Convert pounds per square inch (psi) to conventional millimetre of mercury (mmHg).
Pressure converter
Instant conversion
Edit either value. Decimals and scientific notation supported.
1
psi
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PascalPa
KilopascalkPa
MegapascalMPa
Barbar
Millibarmbar
HectopascalhPa
Standard atmosphereatm
Pounds per square inchpsi
TorrTorr
Conventional millimetre of mercurymmHg
No units found. Try a name or symbol.
51.7149252
mmHg
esc
PascalPa
KilopascalkPa
MegapascalMPa
Barbar
Millibarmbar
HectopascalhPa
Standard atmosphereatm
Pounds per square inchpsi
TorrTorr
Conventional millimetre of mercurymmHg
No units found. Try a name or symbol.
CONVERSION
1 psi ≈ 51.7149252 mmHg
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULAmmHg = psi × 51.7149252038719
FORMULA & EXAMPLES
How to convert Pounds per square inch to conventional millimetre of mercury
mmHg = psi × 51.7149252038719
Multiply the psi reading by 51.7149252038719.
Worked examples
1 psi ≈ 51.7149252 mmHg
1 × 51.7149252038719 ≈ 51.7149252
30 psi ≈ 1551.447756 mmHg
30 × 51.7149252038719 ≈ 1551.447756
Frequently asked questions
Does psi to mmHg change gauge pressure into absolute pressure?
No. Unit conversion preserves the original pressure reference. Converting a gauge reading to absolute pressure additionally requires the applicable atmospheric pressure.
Pounds per square inch to conventional millimetre of mercury table
Fixed reference · Pounds per square inch to Conventional millimetre of mercury
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
Pounds per square inch (psi)
Conventional millimetre of mercury (mmHg)
0
0
0.1
5.17149252
0.5
25.8574626
1
51.7149252
2
103.4298504
5
258.574626
10
517.149252
25
1292.87313
50
2585.74626
100
5171.49252
1000
51714.9252
Table results use 10 significant figures; decimal formula coefficients use up to 15. Calculations use the unit definitions before rounding. Extra digits do not improve measurement accuracy.