Convert Kilogram-force per Square Centimeters to Torr
Instantly convert Kilogram-force per Square Centimeters (kgf/cm²) to Torr (torr) with our free online calculator.
Formula: kgf/cm² to torr — multiply by 735.561
Reference Table
| Kilogram-force per Square Centimeters (kgf/cm²) | Torr (torr) |
|---|---|
| 1 | 735.561 |
| 5 | 3677.81 |
| 10 | 7355.61 |
| 25 | 18389 |
| 50 | 36778.1 |
| 100 | 73556.1 |
How to Convert Kilogram-force per Square Centimeters to Torr
Formula
To convert Kilogram-force per Square Centimeters (kgf/cm²) to Torr (torr): multiply by 735.561
Step-by-Step
- Start with your value in Kilogram-force per Square Centimeters (kgf/cm²).
- Multiply by 735.561 to perform the conversion.
- The result is your value expressed in Torr (torr).
Conversion Factor
1 kgf/cm² = 735.561 torr
Reverse Factor
1 torr = 0.00135951 kgf/cm²
Worked Example
Convert 25 Kilogram-force per Square Centimeters to Torr: 25 kgf/cm² = 18389 torr
About Kilogram-force per Square Centimeter (kgf/cm²)
A legacy metric unit of pressure equal to one kilogram-force applied over one square centimeter, formally defined as exactly 98,066.5 Pa (using the standard acceleration of gravity g₀ = 9.80665 m/s² per CIPM Resolution 2, 1901). This is the "technical atmosphere" (symbol at) and is roughly equivalent to one standard atmosphere or one bar — but not exactly. Although superseded by SI-proper units (pascal, megapascal) under ISO 80000-4, kgf/cm² persists on industrial gauges in Japan, Korea, and parts of Eastern Europe; on older industrial machinery; on legacy pressure-vessel drawings (where the implicit assumption of g = 9.80665 m/s² matters); on tire-pressure data tables in some markets; and in older engineering textbooks. Engineers updating legacy documentation should be careful: the technical atmosphere (98,066.5 Pa) is NOT the same as the standard atmosphere (101,325 Pa). Converting kgf/cm² to MPa is divide by 10.197 (a clean approximation: ÷10.2); to psi is multiply by 14.223.
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%).
Quick Facts
- 1 Kilogram-force per Square Centimeter equals 735.561 Torr
- 1 Torr equals 0.00135951 Kilogram-force per Square Centimeters
- Kilogram-force per Square Centimeter is a unit of pressure
- Torr is a unit of pressure
- This conversion is commonly used in tire inflation, weather reporting, scuba diving, and engineering
- The Kilogram-force per Square Centimeter belongs to the metric system
Common Kilogram-force per Square Centimeter to Torr Conversions
| Kilogram-force per Square Centimeters (kgf/cm²) | Torr (torr) |
|---|---|
| 0.1 | 73.5561 |
| 0.5 | 367.781 |
| 1 | 735.561 |
| 2 | 1471.12 |
| 5 | 3677.81 |
| 10 | 7355.61 |
| 14.696 | 10809.8 |
| 15 | 11033.4 |
| 20 | 14711.2 |
| 25 | 18389 |
| 50 | 36778.1 |
| 100 | 73556.1 |
| 150 | 110334 |
| 200 | 147112 |
| 500 | 367781 |
| 1000 | 735561 |
Understanding Kilogram-force per Square Centimeters
The Kilogram-force per Square Centimeter (symbol: kgf/cm²) is a unit of pressure. A legacy metric unit of pressure equal to one kilogram-force applied over one square centimeter, formally defined as exactly 98,066.5 Pa (using the standard acceleration of gravity g₀ = 9.80665 m/s² per CIPM Resolution 2, 1901). This is the "technical atmosphere" (symbol at) and is roughly equivalent to one standard atmosphere or one bar — but not exactly. Although superseded by SI-proper units (pascal, megapascal) under ISO 80000-4, kgf/cm² persists on industrial gauges in Japan, Korea, and parts of Eastern Europe; on older industrial machinery; on legacy pressure-vessel drawings (where the implicit assumption of g = 9.80665 m/s² matters); on tire-pressure data tables in some markets; and in older engineering textbooks. Engineers updating legacy documentation should be careful: the technical atmosphere (98,066.5 Pa) is NOT the same as the standard atmosphere (101,325 Pa). Converting kgf/cm² to MPa is divide by 10.197 (a clean approximation: ÷10.2); to psi is multiply by 14.223.
It belongs to the metric measurement system.
Kilogram-force per Square Centimeters are commonly used in tire inflation, weather reporting, scuba diving, and engineering.
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.
Why Convert Kilogram-force per Square Centimeters to Torr?
Engineers, mechanics, and scientists frequently need to convert pressure between Kilogram-force per Square Centimeters and Torr 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 Kilogram-force per Square Centimeters to Torr?
A legacy metric unit of pressure equal to one kilogram-force applied over one square centimeter, formally defined as exactly 98,066. To convert Kilogram-force per Square Centimeters to Torr, multiply by 735.561. For example, 25 kgf/cm² equals 18389 torr.
How many Torr are in 1 Kilogram-force per Square Centimeter?
There are 735.561 Torr in 1 Kilogram-force per Square Centimeter.
How many Kilogram-force per Square Centimeters are in 1 Torr?
There are 0.00135951 Kilogram-force per Square Centimeters in 1 Torr.
What is the formula for Kilogram-force per Square Centimeter to Torr conversion?
The formula is: multiply by 735.561. This means 1 kgf/cm² = 735.561 torr.
Is a Kilogram-force per Square Centimeter bigger than a Torr?
No. One Kilogram-force per Square Centimeter is smaller than one Torr because 1 kgf/cm² equals 735.561 torr, which is greater than 1.
When do you need to convert between Kilogram-force per Square Centimeters and Torr?
A unit of pressure defined as exactly 1/760 of a standard atmosphere (≈ 133. Kilogram-force per Square Centimeter and Torr 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.