Pound per square inch to Millimeter of mercury Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert pounds per square inch [lb/in²] to millimeters of mercury [mmHg, Torr] or millimeters of mercury [mmHg, Torr] to pounds per square inch [lb/in²]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert pounds per square inch to millimeters of mercury
There are two simple ways to convert pounds per square inch [lb/in²] to millimeters of mercury [mmHg, Torr]. In the first calculation method, the value in pounds per square inch [lb/in²] is divided by the rounded conversion factor of 0.0193. The second method multiplies the value in pounds per square inch [lb/in²] by the rounded conversion factor of 51.7149.
- Millimeters of mercury [mmHg, Torr] ≈ pounds per square inch [lb/in²] ÷ 0.0193
- Millimeters of mercury [mmHg, Torr] ≈ pounds per square inch [lb/in²] * 51.7149
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of pounds per square inch [lb/in²] to millimeters of mercury [mmHg, Torr] can be achieved using the following calculation method.
- Millimeters of mercury [mmHg, Torr] = pounds per square inch [lb/in²] * 516.04 * 668.03 * 9.80665 ÷ 65,370.837
Convert millimeters of mercury to pounds per square inch
Converting millimeters of mercury [mmHg, Torr] to pounds per square inch [lb/in²] is easy and can be done in two ways. The first method involves multiplication, in which the value in millimeters of mercury [mmHg, Torr] is multiplied by the rounded conversion factor of 0.0193. The second variant is a division. Here, the value in millimeters of mercury [mmHg, Torr] is divided by the rounded conversion factor of 51.7149.
- Pounds per square inch [lb/in²] ≈ millimeters of mercury [mmHg, Torr] * 0.0193
- Pounds per square inch [lb/in²] ≈ millimeters of mercury [mmHg, Torr] ÷ 51.7149
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of millimeters of mercury [mmHg, Torr] to pounds per square inch [lb/in²] can be achieved using the following calculation method.
- Pounds per square inch [lb/in²] = millimeters of mercury [mmHg, Torr] ÷ 516.04 ÷ 668.03 ÷ 9.80665 * 65,370.837
Converter
Decimal places
How it's calculated
To all available units
Pounds per square inch
Millimeters of water
Pounds per square inch
Millipascals
Pounds per square inch
Newtons per square millimeter
Pounds per square inch
Pascals
Pounds per square inch
Psi
Popular with other users …
Resistance
Electrical resistance is often expressed in ohms or kiloohms. However, it is also possible to use statohms or deciohms. The resistance converter is ideal for converting between different units of resistance.
Resistance converter
Speed
While mph is used in the USA, km/h is the standard in Europe, and seafaring and aviation rely on knots. This speed converter is the perfect tool for accurately converting between various units of speed.
Speed converter
Temperature
Whether you want to convert °Ra to °C, degrees Fahrenheit to Kelvin, or °De to degrees Celsius, the temperature converter can accurately convert all common temperature units.
Temperature converter
Time
There are many situations in which it is necessary to convert one unit of time into another. With the time converter, all common units of time can be converted quickly and accurately.
Time converter