Convert Torr to Kilopascals
Instantly convert Torr (torr) to Kilopascals (kPa) with our free online calculator.
Formula: torr to kPa — multiply by 0.133322
Reference Table
| Torr (torr) | Kilopascals (kPa) |
|---|---|
| 1 | 0.133322 |
| 5 | 0.66661 |
| 10 | 1.33322 |
| 25 | 3.33305 |
| 50 | 6.6661 |
| 100 | 13.3322 |
How to Convert Torr to Kilopascals
Formula
To convert Torr (torr) to Kilopascals (kPa): multiply by 0.133322
Step-by-Step
- Start with your value in Torr (torr).
- Multiply by 0.133322 to perform the conversion.
- The result is your value expressed in Kilopascals (kPa).
Conversion Factor
1 torr = 0.133322 kPa
Reverse Factor
1 kPa = 7.50064 torr
Worked Example
Convert 25 Torr to Kilopascals: 25 torr = 3.33305 kPa
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 Kilopascal (kPa)
A metric unit of pressure equal to exactly 1,000 pascals (1 kPa = 1,000 N/m²). Kilopascals are the everyday SI pressure unit outside the US: passenger car tire pressure in Europe and Australia is specified in kPa (typically 220-250 kPa cold), building HVAC duct static pressure is in kPa, and the ISO 5198 / IEC 60534 valve standards quote rated pressures in kPa. Weather forecasters quote surface atmospheric pressure in hectopascals (1 kPa = 10 hPa); a typical sea-level barometric reading is 1013 hPa = 101.3 kPa. The kPa is the standard report unit in clinical respiratory physiology (PaCO₂, PaO₂ in some ICUs) and in scientific gauge pressure measurement. Common conversions: kPa to psi is divide by 6.895; kPa to bar is divide by 100; kPa to mmHg is multiply by 7.5006.
Quick Facts
- 1 Torr equals 0.133322 Kilopascals
- 1 Kilopascal equals 7.50064 Torr
- Torr is a unit of pressure
- Kilopascal is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Kilopascal belongs to the metric system
Common Torr to Kilopascal Conversions
| Torr (torr) | Kilopascals (kPa) |
|---|---|
| 0.1 | 0.0133322 |
| 0.5 | 0.066661 |
| 1 | 0.133322 |
| 2 | 0.266644 |
| 5 | 0.66661 |
| 10 | 1.33322 |
| 14.696 | 1.9593 |
| 15 | 1.99983 |
| 20 | 2.66644 |
| 25 | 3.33305 |
| 50 | 6.6661 |
| 100 | 13.3322 |
| 150 | 19.9983 |
| 200 | 26.6644 |
| 500 | 66.661 |
| 1000 | 133.322 |
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 Kilopascals
The Kilopascal (symbol: kPa) is a unit of pressure. A metric unit of pressure equal to exactly 1,000 pascals (1 kPa = 1,000 N/m²). Kilopascals are the everyday SI pressure unit outside the US: passenger car tire pressure in Europe and Australia is specified in kPa (typically 220-250 kPa cold), building HVAC duct static pressure is in kPa, and the ISO 5198 / IEC 60534 valve standards quote rated pressures in kPa. Weather forecasters quote surface atmospheric pressure in hectopascals (1 kPa = 10 hPa); a typical sea-level barometric reading is 1013 hPa = 101.3 kPa. The kPa is the standard report unit in clinical respiratory physiology (PaCO₂, PaO₂ in some ICUs) and in scientific gauge pressure measurement. Common conversions: kPa to psi is divide by 6.895; kPa to bar is divide by 100; kPa to mmHg is multiply by 7.5006.
It belongs to the metric measurement system.
Kilopascals are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
Why Convert Torr to Kilopascals?
Engineers, mechanics, and scientists frequently need to convert pressure between Torr and Kilopascals 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 Kilopascals?
A unit of pressure defined as exactly 1/760 of a standard atmosphere (≈ 133. To convert Torr to Kilopascals, multiply by 0.133322. For example, 25 torr equals 3.33305 kPa.
How many Kilopascals are in 1 Torr?
There are 0.133322 Kilopascals in 1 Torr.
How many Torr are in 1 Kilopascal?
There are 7.50064 Torr in 1 Kilopascal.
What is the formula for Torr to Kilopascal conversion?
The formula is: multiply by 0.133322. This means 1 torr = 0.133322 kPa.
Is a Torr bigger than a Kilopascal?
Yes. One Torr is larger than one Kilopascal because 1 torr equals 0.133322 kPa, which is less than 1.
When do you need to convert between Torr and Kilopascals?
A metric unit of pressure equal to exactly 1,000 pascals (1 kPa = 1,000 N/m²). Torr and Kilopascal 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.