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.
51.71493257
Torr
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 ≈ 51.71493257 Torr
6 significant figures
10 significant figures
15 significant figures
Precision changes displayed rounding, not calculation accuracy.
FORMULATorr = psi × 51.7149325715071
FORMULA & EXAMPLES
How to convert Pounds per square inch to torr
Torr = psi × 51.7149325715071
Multiply the psi reading by 51.7149325715071.
Worked examples
1 psi ≈ 51.71493257 Torr
1 × 51.7149325715071 ≈ 51.71493257
30 psi ≈ 1551.447977 Torr
30 × 51.7149325715071 ≈ 1551.447977
Frequently asked questions
Does psi to Torr 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 torr table
Fixed reference · Pounds per square inch to Torr
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)
Torr (Torr)
0
0
0.1
5.171493257
0.5
25.85746629
1
51.71493257
2
103.4298651
5
258.5746629
10
517.1493257
25
1292.873314
50
2585.746629
100
5171.493257
1000
51714.93257
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.