gauge
US /ɡeɪdʒ/
UK /ɡeɪdʒ/

1.
indicador, calibrador
an instrument or device for measuring the amount, level, or contents of something, typically a fluid or gas, or the size or dimensions of an object.
:
•
The fuel gauge in the car showed that the tank was almost empty.
El indicador de combustible del coche mostraba que el depósito estaba casi vacío.
•
He used a pressure gauge to check the tire inflation.
Usó un manómetro para comprobar la presión de los neumáticos.
1.
medir, evaluar, estimar
estimate or determine the amount, level, or contents of (something).
:
•
It's difficult to gauge the public's reaction to the new policy.
Es difícil medir la reacción del público ante la nueva política.
•
The company needs to gauge its progress against its goals.
La empresa necesita medir su progreso en relación con sus objetivos.