What is the units used in measuring the mass?

Most of the world uses grams, kilograms or tonnes.

America and a few other locations use ounces, pounds and tons.

Some local and traditional units of mass (inaccurately called weight) also exist. The Système International d'Unités (SI) units for physical measurement are: * Length: Metre * Mass: Kilogram * Time: Second * Electric current: Ampere * Temperature: Degree Kelvn * Quantity of a substance: Mole * Luminous intensity: Candela