Convert Torr to Hectopascal

One Torr equals 1.333223684 hPa. This converter allows you to easily convert between Torr and Hectopascal in real time.

Formula

Torr × 1.333223684 = hPa

Example: 1 Torr = 1.333223684 hPa

What is Torr?

The torr is a unit of pressure named after Italian physicist Evangelista Torricelli. It is defined as exactly 1/760 of a standard atmosphere, approximately 133.3 pascals. The torr is widely used in vacuum technology, particularly in semiconductor manufacturing, where process chambers operate at pressures from 10 to the minus 3 to 10 to the minus 8 torr. While nearly identical to the millimeter of mercury, the torr is defined independently.

What is Hectopascal?

The hectopascal equals 100 pascals and is the standard unit for atmospheric pressure in meteorology worldwide. Standard atmospheric pressure is 1013.25 hPa, and weather reports use hectopascals when describing high and low pressure systems and typhoon central pressures (such as 950 hPa). One hectopascal is exactly equal to one millibar. The international meteorological community switched from millibars to hectopascals in 1992.