spring balance, spring scale

• a scale for measuring weight using the tension of a spring.

EXAMPLES:

Imperial/Customary/US Standard Units ~ Weight, Mass

16 ounces = 1 pound
14 pounds = 1 stone
8 stones = 1 hundredweight (UK)
100 pounds = 1 hundredweight (US)
20 hundredweight = 1 ton
1 ton = 2240 pounds (UK)
1 ton = 2000 pounds (US)

Metric Units ~ Weight, Mass

1000 milligrams = 1 gram, g
1000 grams = 1 kilogram, kg
1000 kilograms = 1 tonne, t