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Main uses of spring balances are to weigh heavy loads such as trucks, storage silos, and material carried on a conveyor belt. They are also common in science education as basic accelerators. They are used when the accuracy afforded by other types of scales can be sacrificed for simplicity, cheapness, and robustness.

Spring balances with weight range from 5 up to 1000 grams have a gripping device for the loading while the ones with weight range from 2,5 up to 50 kg have a load hook. Mechanical spring balances are unique for demonstrations.

Spring scales are used to measure the force of a load. Spring scales measure the downward pull due to the Earth's gravitational force of attraction and are measured in units called Newtons. Other spring scales measure grams (g). The gram scale measures the mass of objects.

A spring balance is used to measure the weight of an object and the mass is measured by a beam balance.

Spring scales with a precision of ± 0.3 % have a tare range of 20 % of the maximum weighing range and can be acquired with weighing units in grams (g) or Newtons (N).

A spring scale measures weight or force when an object is hung from its hook.

Spring scales with a precision of ± 0.3 % have a tare range of 20 % of the maximum weighing range and can be acquired with weighing units in grams (g) or Newtons (N).

In order to use a spring scale to measure weight we can multiply the measured stretch distance by the known spring constant to find the restoring force applied by the spring.