Torr to Atmosphere (std) Converter

Pressure Converter

29 units available

Decimals:

From

To

0.001316

1 Torr = 0.001316 atm

Formula:

atm = Torr × 0.0013157895

With your value: 1 Torr = 0.00131579 atm

Other Torr to Atmosphere (std) conversions

2 Torr to atm 3 Torr to atm 4 Torr to atm 5 Torr to atm 6 Torr to atm 7 Torr to atm 8 Torr to atm

Torr to Atmosphere (std) Conversion Table

Torr (Torr)	Atmosphere (std) (atm)
0.5	0.000658
1	0.001316
2	0.002632
5	0.006579
10	0.013158
15	0.019737
20	0.026316
25	0.032895
50	0.065789
100	0.131579
250	0.328947
500	0.657895
1000	1.315789

Atmosphere (std) to Torr Conversion Table

Atmosphere (std) (atm)	Torr (Torr)
0.5	380
1	760
2	1,520
5	3,800
10	7,600
15	11,400
20	15,200
25	19,000
50	38,000
100	76,000
250	190,000
500	380,000
1000	760,000

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Torr (Torr)

Pressure

Exact conversion

Derived from the pascal (1 Pa = 1 N/m²). The standard atmosphere is exactly 101 325 Pa.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Atmosphere (std) (atm)

Pressure

Exact conversion

The standard atmosphere is exactly 101 325 Pa.

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Torr to Atmosphere (std)

To convert from Torr (Torr) to Atmosphere (std) (atm), multiply the value by 0.0013157895.

Formula: atm = Torr × 0.0013157895

Reverse: Torr = atm × 760

Step-by-Step Example

Start with your value in Torr. For example: 5 Torr
Multiply by the conversion factor: 5 x 0.0013157895
The result is: 0.006579 atm

About Torr

The torr (Torr) is a unit of pressure and stress. One torr equals 133.3223684 pascals. UnitConvertLab converts it against every other pressure unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: pressure calculations, engineering and science, education.

About Atmosphere (std)

One standard atmosphere equals 101,325 Pascals and represents the average air pressure at sea level.

Common uses: diving, weather, chemistry.

Frequently Asked Questions

How many Atmosphere (std) are in 1 Torr?

There are exactly 0.0013157895 Atmosphere (std) in 1 Torr. This means the conversion factor from Torr to Atmosphere (std) is 0.0013157895.

What is the formula to convert Torr to Atmosphere (std)?

The formula to convert Torr to Atmosphere (std) is: atm = Torr × 0.0013157895. For example, to convert 10 Torr to Atmosphere (std), you would multiply 10 by 0.0013157895.

What is a Torr?