gauge

gauge verb [ T ] uk/ɡeɪdʒ/ us gauge verb [T]
(MEASURE)

to measure a distance, size, or amount

измерять

GAUGE noun

[ C ] uk/ɡeɪdʒ/ us gauge noun [C]
(MEASURING)

a method or piece of equipment that you use to measure something

измерительный прибор
a fuel gauge