What measurement measures liquid pressure?

Answer 1

Liquid pressure is defined as the force all over area

mathematically:

P = F/A

where"

P is pressure with a unit of PASCAL

F is force with aunit of NEWTON

A is area wiht a unit of METER SQUARE

Answer 2

A manometer is normally used to measure liquid pressure
A manometer could also be referring to a pressure measuring device, usually limited to measuring pressures near to atmospheric. The term manometer is often used to refer specifically to liquid column hydrostatic instruments.