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Differences Between Mass and Weight

AspectMassWeight
Type of quantityScalar quantity (no direction)Vector quantity (direction acts towards center of gravity)
Variation with locationConstant everywhereVaries with gravitational field strength (g)
Measurement toolDigital or beam balanceSpring balance or force meter
SI UnitkgNewton (N)
RepresentsAmount of matter in an objectGravitational pull on an object
Example50 kg on Earth and Moon490 N on Earth, 80 N on Moon

Scalar: Only size (magnitude) and unit.
Vector: Has both magnitude and direction.