Question

why do we need standard unit for measurements

Answer 1

we need standard unit of measurement because by si unite every one can know what actual measurements all over the world

Answer 2

Scientists all over the world have accepted a standard unit of measurement known as International System of Units or SI Units. One meter has 100 divisions known as the Centimeters. Each centimeter has 10 equal divisions called millimeters. Hence 1m=100 cm and 1cm=10mm.