Convert torrs to atmosphere (standard)s

1 Torr = 0.00131578947368 atm — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

0.001 315 789 473 68atm
≈ Rounded to 12 s.f. 1 Torr ≈ 0.001 315 789 473 68 atm
As a fraction: 1/760
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1 Torr = 0.00131578947368 atm
Show this value in all 27 pressure & stress units
  • Gigapascals GPa 0.000 000 133 322 368 421
  • Megapascals MPa 0.000 133 322 368 421
  • Kilopascals kPa 0.133 322 368 421
  • Hectopascals hPa 1.333 223 684 21
  • Pascals Pa 133.322 368 421
  • Millipascals mPa 133 322.368 421
  • Micropascals µPa 133 322 368.421
  • Bars bar 0.001 333 223 684 21
  • Millibars mbar 1.333 223 684 21
  • Atmosphere (standard)s atm 0.001 315 789 473 68
  • Atmosphere (technical)s at 0.001 359 509 806 32
  • Torrs Torr 1
  • Millitorrs mTorr 1000
  • Millimeter of mercurys mmHg 0.999 999 857 534
  • Centimeter of mercurys cmHg 0.099 999 985 753 4
  • Inch of mercurys inHg 0.039 370 073 131 2
  • Millimeter of waters mmH₂O 13.595 098 063 2
  • Centimeter of waters cmH₂O 1.359 509 806 32
  • Inch of waters inH₂O 0.535 240 081 227
  • Foot of waters ftH₂O 0.044 603 340 102 2
  • Pound per square inchs psi 0.019 336 774 704 6
  • Kilopound per square inchs ksi 0.000 019 336 774 704 6
  • Pound per square foots psf 2.784 495 557 47
  • Kilogram-force per square centimeters kgf/cm² 0.001 359 509 806 32
  • Kilogram-force per square meters kgf/m² 13.595 098 063 2
  • Newton per square millimeters N/mm² 0.000 133 322 368 421
  • Dyne per square centimeters dyn/cm² 1333.223 684 21

Every row is Torr converted through the pascal, in exact rational arithmetic.

How to convert torrs to atmosphere (standard)s

Multiply the number of torrs by 0.00131578947368 to get atmosphere (standard)s.

Torr: Exactly 1/760 atm. Vacuum work is quoted in torr and millitorr.

Atmosphere (standard): Exactly 101 325 Pa by definition.

Torr to Atmosphere (standard) conversion table

Torrs (Torr) Atmosphere (standard)s (atm)
1 Torr 0.001 315 789 5
2 Torr 0.002 631 578 9
3 Torr 0.003 947 368 4
5 Torr 0.006 578 947 4
10 Torr 0.013 157 895
20 Torr 0.026 315 789
25 Torr 0.032 894 737
50 Torr 0.065 789 474
100 Torr 0.131 578 95
250 Torr 0.328 947 37
500 Torr 0.657 894 74
1000 Torr 1.315 789 5

Atmosphere (standard) to Torr conversion table

Atmosphere (standard)s (atm) Torrs (Torr)
1 atm 760
2 atm 1520
3 atm 2280
5 atm 3800
10 atm 7600
20 atm 15 200
25 atm 19 000
50 atm 38 000
100 atm 76 000
250 atm 190 000
500 atm 380 000
1000 atm 760 000

Frequently asked

How many atmosphere (standard)s are in a torr?

One torr equals 0.001315789474 atmosphere (standard)s (Torr → atm). That figure is exact, not rounded.

How do you convert torrs to atmosphere (standard)s?

Multiply the number of torrs by 0.00131578947368 to get atmosphere (standard)s.

What is 1 atm in torrs?

One atmosphere (standard) is 760 torrs.

What is 10 Torr in atm?

10 Torr = 0.013 157 895 atm.

What exactly is a torr?

Exactly 1/760 atm. Vacuum work is quoted in torr and millitorr.

What exactly is a atmosphere (standard)?

Exactly 101 325 Pa by definition.

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