Convert Torr to Megapascals
Instantly convert Torr (torr) to Megapascals (MPa) with our free online calculator.
Formula: torr to MPa — multiply by 1.3332e-4
Reference Table
| Torr (torr) | Megapascals (MPa) |
|---|---|
| 1 | 0.000133322 |
| 5 | 0.00066661 |
| 10 | 0.00133322 |
| 25 | 0.00333305 |
| 50 | 0.0066661 |
| 100 | 0.0133322 |
How to Convert Torr to Megapascals
Formula
To convert Torr (torr) to Megapascals (MPa): multiply by 1.3332e-4
Step-by-Step
- Start with your value in Torr (torr).
- Multiply by 1.3332e-4 to perform the conversion.
- The result is your value expressed in Megapascals (MPa).
Conversion Factor
1 torr = 0.000133322 MPa
Reverse Factor
1 MPa = 7500.64 torr
Worked Example
Convert 25 Torr to Megapascals: 25 torr = 0.00333305 MPa
About Torr (torr)
A unit of pressure defined as exactly 1/760 of a standard atmosphere (≈ 133.322 Pa). Named after 17th-century physicist Evangelista Torricelli, who in 1643 invented the mercury barometer while studying why suction-lift pumps fail above ~10 m — establishing that the atmosphere itself has weight. The torr is the primary unit in modern vacuum technology and semiconductor fabrication: a "rough vacuum" is ~1 torr, "medium vacuum" 10⁻³ torr (typical of mechanical-pump-only systems), "high vacuum" 10⁻⁶ torr (achievable with turbomolecular pumps, used in mass spectrometry and electron microscopy), and "ultrahigh vacuum" (UHV) 10⁻⁹ torr or lower (semiconductor MBE, surface science, particle accelerators). Manufacturing fabs quote chamber pressures in torr or mTorr (10⁻³ torr) at every process step. Numerically the torr is almost identical to the mmHg (1 torr ≈ 1.000000 mmHg under modern definitions; historically they differed by 0.000015%).
About Megapascal (MPa)
A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Megapascals are the universal SI unit for material strength reporting in structural and mechanical engineering: concrete compressive strength (typically 20-60 MPa per ACI 318 / Eurocode 2, with ultra-high-performance concrete reaching 150-200 MPa), structural-steel yield stress (250 MPa for S275 / A36, 355 MPa for S355, up to 690 MPa for HSLA grades), aluminum tensile (6061-T6 ~310 MPa), and the fracture toughness of ceramics and polymers reported as MPa·m^½ in materials databases. Mechanical-engineering finite-element solvers (Abaqus, ANSYS, Nastran), pressure-vessel codes (ASME BPVC Section VIII, PD 5500, EN 13445), hydraulic system specifications above ~70 bar, and the civil-engineering concrete mix specs all use MPa as the working pressure/stress unit. Common conversions: 1 MPa = 10 bar = 145.04 psi = 9.869 atm.
Quick Facts
- 1 Torr equals 0.000133322 Megapascals
- 1 Megapascal equals 7500.64 Torr
- Torr is a unit of pressure
- Megapascal is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Megapascal belongs to the metric system
Common Torr to Megapascal Conversions
| Torr (torr) | Megapascals (MPa) |
|---|---|
| 0.1 | 0.0000133322 |
| 0.5 | 0.000066661 |
| 1 | 0.000133322 |
| 2 | 0.000266644 |
| 5 | 0.00066661 |
| 10 | 0.00133322 |
| 14.696 | 0.0019593 |
| 15 | 0.00199983 |
| 20 | 0.00266644 |
| 25 | 0.00333305 |
| 50 | 0.0066661 |
| 100 | 0.0133322 |
| 150 | 0.0199983 |
| 200 | 0.0266644 |
| 500 | 0.066661 |
| 1000 | 0.133322 |
Understanding Torr
The Torr (symbol: torr) is a unit of pressure. A unit of pressure defined as exactly 1/760 of a standard atmosphere (≈ 133.322 Pa). Named after 17th-century physicist Evangelista Torricelli, who in 1643 invented the mercury barometer while studying why suction-lift pumps fail above ~10 m — establishing that the atmosphere itself has weight. The torr is the primary unit in modern vacuum technology and semiconductor fabrication: a "rough vacuum" is ~1 torr, "medium vacuum" 10⁻³ torr (typical of mechanical-pump-only systems), "high vacuum" 10⁻⁶ torr (achievable with turbomolecular pumps, used in mass spectrometry and electron microscopy), and "ultrahigh vacuum" (UHV) 10⁻⁹ torr or lower (semiconductor MBE, surface science, particle accelerators). Manufacturing fabs quote chamber pressures in torr or mTorr (10⁻³ torr) at every process step. Numerically the torr is almost identical to the mmHg (1 torr ≈ 1.000000 mmHg under modern definitions; historically they differed by 0.000015%).
Torr are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Understanding Megapascals
The Megapascal (symbol: MPa) is a unit of pressure. A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Megapascals are the universal SI unit for material strength reporting in structural and mechanical engineering: concrete compressive strength (typically 20-60 MPa per ACI 318 / Eurocode 2, with ultra-high-performance concrete reaching 150-200 MPa), structural-steel yield stress (250 MPa for S275 / A36, 355 MPa for S355, up to 690 MPa for HSLA grades), aluminum tensile (6061-T6 ~310 MPa), and the fracture toughness of ceramics and polymers reported as MPa·m^½ in materials databases. Mechanical-engineering finite-element solvers (Abaqus, ANSYS, Nastran), pressure-vessel codes (ASME BPVC Section VIII, PD 5500, EN 13445), hydraulic system specifications above ~70 bar, and the civil-engineering concrete mix specs all use MPa as the working pressure/stress unit. Common conversions: 1 MPa = 10 bar = 145.04 psi = 9.869 atm.
It belongs to the metric measurement system.
Megapascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Torr to Megapascals?
Engineers, mechanics, and scientists frequently need to convert pressure between Torr and Megapascals when working with different measurement standards. Tire pressure, blood pressure readings, weather barometric measurements, and industrial process specifications may all use different pressure units depending on the region or discipline. Reliable conversion prevents equipment misuse and ensures safety.
Frequently Asked Questions
How do I convert Torr to Megapascals?
A unit of pressure defined as exactly 1/760 of a standard atmosphere (≈ 133. To convert Torr to Megapascals, multiply by 1.3332e-4. For example, 25 torr equals 0.00333305 MPa.
How many Megapascals are in 1 Torr?
There are 0.000133322 Megapascals in 1 Torr.
How many Torr are in 1 Megapascal?
There are 7500.64 Torr in 1 Megapascal.
What is the formula for Torr to Megapascal conversion?
The formula is: multiply by 1.3332e-4. This means 1 torr = 0.000133322 MPa.
Is a Torr bigger than a Megapascal?
Yes. One Torr is larger than one Megapascal because 1 torr equals 0.000133322 MPa, which is less than 1.
When do you need to convert between Torr and Megapascals?
A metric unit of pressure equal to exactly 1,000,000 pascals (1,000 kPa), or 10 bar. Torr and Megapascal are both pressure units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.