ConverterKey
HomeAll ConvertersLengthTemperatureData
Explore
HomeAll ConvertersLengthTemperatureData

ConverterKey

A modern converter toolkit built for speed, precision, and mobile use.

Popular converters

  • Length Converter
  • CM to Inches Converter
  • Feet to Meters Converter
  • Miles to Kilometers Converter
  • Area Converter

Platform

  • All converters
  • Browse categories
  • Fast and mobile-friendly conversion tools

© 2026 ConverterKey. Validate critical calculations independently.

  1. Home
  2. /
  3. Converters
  4. /
  5. Pressure Converter
  6. /
  7. Convert torr to atm

Pressure

Convert torr to atm

Convert Torr (Torr) to Standard atmosphere (atm) instantly.

Formula

value × 0.00131578947368

SampleConverted
1 Torr0.0013157895 atm
5 Torr0.0065789474 atm
10 Torr0.0131578947 atm
100 Torr0.1315789474 atm
1,000 Torr1.3157894737 atm

About Torr to atm

This conversion scales values from a smaller pressure unit to a larger one. That usually decreases the numeric value when going from Torr to atm.

Torr

Definition: Torr (Torr) is a standardized unit used to measure pressure.

History/Origin: This unit is part of established international or regional measurement systems and is included in engineering and scientific references.

Current use: This unit appears in real-world pressure calculations, technical documentation, and day-to-day conversions.

Standard atmosphere

Definition: Standard atmosphere (atm) is a standardized unit used to measure pressure.

History/Origin: This unit is part of established international or regional measurement systems and is included in engineering and scientific references.

Current use: This unit appears in real-world pressure calculations, technical documentation, and day-to-day conversions.

Torr to Standard atmosphere Conversion Table

Torr [Torr]Standard atmosphere [atm]
0.01 Torr0.0000131579 atm
0.1 Torr0.0001315789 atm
1 Torr0.0013157895 atm
2 Torr0.0026315789 atm
5 Torr0.0065789474 atm
10 Torr0.0131578947 atm
20 Torr0.0263157895 atm
50 Torr0.0657894737 atm
100 Torr0.1315789474 atm

How to Convert Torr to Standard atmosphere

1 Torr = 0.0013157895 atm

1 atm = 759.9999999997 Torr

Formula: value × 0.00131578947368

Example: 15 Torr = 0.0197368421 atm

  1. Start with the value in Torr (Torr).
  2. Multiply by 0.0013157895 (or divide by 759.9999999997) to get Standard atmosphere (atm).
  3. Use an appropriate decimal precision based on your use case.

Common Use Cases for Torr to atm

  • Convert Torr to atm when sharing pressure values across teams that use different unit standards.
  • Use this direction in spreadsheets and automation flows where inputs are recorded in Torr but reporting is required in atm.
  • Apply the Torr → atm conversion when validating supplier, lab, or field values against your internal benchmarks.

FAQ

Is Torr to atm the same as atm to Torr?

No. They are inverse operations. For this page, 1 Torr equals 0.0013157895 atm, while 1 atm equals 759.9999999997 Torr.

What is the fastest way to estimate Torr to atm?

Use the factor 0.0013157895 for quick mental math, then refine with the exact calculator result when precision matters.

More torr conversions

torr to patorr to kpatorr to mpatorr to bartorr to psi

All Pressure units

Need to convert between all units in this category?

Open Pressure Converter