Torr to MmHg Converter

Conversion Updated 15 Jun 2026

This Torr to MmHg Converter lets you convert Torr (torr) into mmHg (mmHg) in one step. Enter a value in torr and you'll instantly see the equivalent in mmhg, worked out with the formula mmHg = torr x 1. It's handy whenever you need a quick, precise torr-to-mmhg conversion without doing the arithmetic by hand.

  • Conversion constants are fixed and do not vary by region.

Formula

mmHg = torr x 1
  • To convert torr to mmhg, multiply your value by the fixed factor 1 (so 1 torr = 1 mmHg).
  • The factor comes from the internationally agreed definitions of each unit, so it never changes.
  • Displayed results are rounded for readability, but the full-precision value is used in the calculation.

Example

Inputs
  • Torr (torr): 500

Start with 500 torr. Multiply by 1 to get 500 mmHg.

Frequently asked questions

How do I convert torr to mmhg?
Multiply the number of torr by 1. For example, 500 torr equals 500 mmHg.
Are these conversion factors accurate?
Yes. The calculator uses internationally accepted definitions for each unit, so the conversion factor is exact.
Why can tiny differences appear after conversion?
Very small differences are only a display effect from rounding the output. The underlying calculation keeps full precision.