Torr (mmHg) to Standard Atmosphere Converter
1 Torr (mmHg) is equal to 0.001316Standard Atmospheres (atm). To convert torr (mmhg)s to standard atmospheres, multiply the value by 0.001316 or use the interactive formula breakdown and reference tables below.
Pressure Converter
-- Step-by-Step Mathematical Derivation
To convert any quantity from Torr (mmHg) to Standard Atmosphere, multiply the quantity by the constant conversion factor 0.001315789.
To reverse the operation, multiply your Standard Atmosphere figure by 760 (or divide by 0.001315789).
- Identify the starting value in Torr (mmHg) (Torr).
- Apply the exact linear conversion factor:
1 Torr = 0.001315789 atm. - Multiply the input value by 0.001315789 to obtain the exact measurement in Standard Atmosphere (atm).
- Verify precision against standard BIPM / NIST SP 811 statutory guidelines.
All-Units Instant Matrix
Printable Reference Cheat Sheet
Generate clean offline reference PDF tables for Pressure
Copy and paste this snippet directly into your HTML, WordPress, or documentation site:
Academic & Research Citation Exporter
Cite this mathematical formula and conversion factor in research papers and wikis
@misc{ai_unit_converter_torr_(mmhg)_to_standard_atmosphere,
author = {AI Unit Converters Standards Board},
title = {Exact Torr (mmHg) to Standard Atmosphere Conversion Factor and Mathematical Derivation},
year = {2026},
howpublished = {\url{https://aiunitconverters.com/pressure/torr-to-atm}},
note = {Derived from NIST Special Publication 811 and BIPM SI Brochure}
} 📊Torr (mmHg) to Standard Atmosphere Conversion Tables
| 1Torr | 0.0013atm |
| 2Torr | 0.0026atm |
| 5Torr | 0.0066atm |
| 10Torr | 0.0132atm |
| 15Torr | 0.0197atm |
| 20Torr | 0.0263atm |
| 25Torr | 0.0329atm |
| 50Torr | 0.0658atm |
| 75Torr | 0.0987atm |
| 100Torr | 0.1316atm |
| 250Torr | 0.3289atm |
| 500Torr | 0.6579atm |
| 1000Torr | 1.3158atm |
| 5000Torr | 6.5789atm |
| 10000Torr | 13.1579atm |
| 1atm | 760Torr |
| 2atm | 1,520Torr |
| 5atm | 3,800Torr |
| 10atm | 7,600Torr |
| 15atm | 11,400Torr |
| 20atm | 15,200Torr |
| 25atm | 19,000.0001Torr |
| 50atm | 38,000.0001Torr |
| 75atm | 57,000.0002Torr |
| 100atm | 76,000.0002Torr |
| 250atm | 190,000.0006Torr |
| 500atm | 380,000.0012Torr |
| 1000atm | 760,000.0024Torr |
| 5000atm | 3,800,000.012Torr |
| 10000atm | 7,600,000.024Torr |
❓ Frequently Asked Questions: Torr (mmHg) to Standard Atmosphere
How do you convert Torr (mmHg)s to Standard Atmospheres?▼
1 Torr (mmHg) is equal to 0.001316 Standard Atmospheres. Multiply your input value in Torr (mmHg)s by 0.001316 to obtain the exact equivalent in Standard Atmospheres.
How many Standard Atmospheres are in 1 Torr (mmHg)?▼
There are exactly 0.001316Standard Atmospheres (atm) in 1 Torr (mmHg) (Torr).
Are these calculations calibrated against official measurement standards?▼
Yes. All conversion factors on AI Unit Converters are calibrated and cross-verified against official BIPM SI Brochure (9th Edition), NIST SP 811, and ISO 80000 measurement metrology standards.