Torr to Hectopascals Converter
Enter the pressure in torr below to convert it to hectopascals.
Convert Torr to Hectopascals
Enter a value in torr (Torr) to convert to hectopascals (hPa).
Torr to Hectopascal Conversion Table
Table showing various torr measurements converted to hectopascals. Click any preset value or arrow to load it into the converter.
| Torr (Torr) | Hectopascals (hPa) |
|---|---|
| 1 Torr | 1.3332237 hPa |
| 2 Torr | 2.6664474 hPa |
| 2.5 Torr | 3.3330592 hPa |
| 5 Torr | 6.6661184 hPa |
| 10 Torr | 13.3322368 hPa |
| 15 Torr | 19.9983553 hPa |
| 20 Torr | 26.6644737 hPa |
| 25 Torr | 33.3305921 hPa |
| 30 Torr | 39.9967105 hPa |
| 50 Torr | 66.6611842 hPa |
How to Convert Torr to Hectopascals
To convert torr to hectopascals, multiply the pressure by the following conversion ratio: 1.3332237 hectopascals/torr.
Since one torr is equal to 1.3332237 hectopascals, you can use this simple formula to convert:
The pressure in hectopascals is equal to the pressure in torr multiplied by 1.3332237.
For example, here's how to convert 5 torr to hectopascals using the formula above.
How Many Hectopascals Are in a Torr?
There are 1.3332237 hectopascals in a torr, which is why we use this value in the formula above.
Our torr to hectopascal calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Torr and hectopascals are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Torr?
A torr is a unit of pressure equal to 133.3223684 pascals (Pa), the base unit for pressure. 1/760 of a standard atmosphere (133.3224 Pascals). [1]
The torr is classified as a standard unit of pressure. Torr can be abbreviated as Torr; for example, 1 torr can be written as 1 Torr.
When working with torr (Torr) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, torr (Torr) are widely used across standard pressure applications within international standard workflows, engineering documentation, and technical data sheets.
What Is a Hectopascal?
A hectopascal is a unit of pressure equal to 100 pascals (Pa), the base unit for pressure. Equal to 100 Pascals (identical to 1 millibar). [2]
The hectopascal is classified as a metric and SI-compatible unit of pressure. Hectopascals can be abbreviated as hPa; for example, 1 hectopascal can be written as 1 hPa.
In the metric system, "hecto" is the standard SI prefix for hundreds, or 10². This makes the hectopascal (hPa) a convenient decimal multiple of the pascal (Pa).
In practice, hectopascals (hPa) are widely used across standard pressure applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting pressure between torr (Torr) and hectopascals (hPa), keep full floating-point precision (1 Torr = 1.3332237 hPa; 1 hPa = 0.7500617 Torr) during intermediate calculations and round only the final hectopascal figure to match your instrument tolerance.
More Torr & Hectopascal Conversions
Need to calculate in the opposite direction? Use our hectopascals to torr calculator to switch your starting unit immediately. You can also explore related tools such as converting hectopascals to torr, converting pascals to hectopascals, or converting inches of mercury to hectopascals.
Convert from Torr
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Torr (Torr) to Hectopascals (hPa)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Torr (mmHg) (Torr) & Hectopascal (hPa)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (Torr to hPa)