Psi 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 psi to millimeters of mercury [mmHg, Torr] or millimeters of mercury [mmHg, Torr] to psi. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 psi ≈ 51.7149 millimeters of mercury [mmHg, Torr]1 millimeter of mercury [mmHg, Torr] ≈ 0.0193 psi

Convert psi to millimeters of mercury

There are two simple ways to convert psi to millimeters of mercury [mmHg, Torr]. In the first calculation method, the value in psi is divided by the rounded conversion factor of 0.0193. The second method multiplies the value in psi by the rounded conversion factor of 51.7149.

  • Millimeters of mercury [mmHg, Torr] ≈ psi ÷ 0.0193
  • Millimeters of mercury [mmHg, Torr] ≈ psi * 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 psi to millimeters of mercury [mmHg, Torr] can be achieved using the following calculation method.

  • Millimeters of mercury [mmHg, Torr] = psi ÷ 653,708.37 * 51,604 * 655.11363995

Convert millimeters of mercury to psi

Converting millimeters of mercury [mmHg, Torr] to psi 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.

  • Psi ≈ millimeters of mercury [mmHg, Torr] * 0.0193
  • Psi ≈ 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 psi can be achieved using the following calculation method.

  • Psi = millimeters of mercury [mmHg, Torr] * 653,708.37 ÷ 51,604 ÷ 655.11363995

Converter

Decimal places

How it's calculated

Factor: 
≈ 51.715
Millimeters of mercury = Psi ÷ 653,708.37 * 51,604 * 655.11363995
Psi = Millimeters of mercury * 653,708.37 ÷ 51,604 ÷ 655.11363995

To all available units

Psi

Newtons per square millimeter

Psi

Standard atmospheres

Technical atmospheres

Bar

Technical atmospheres

Decapascals

Technical atmospheres

Gigapascals