weight is the measure up of how heavy an item is. Load is measured in standard customary units.

The mass of things is the amount of product it contains. Massive is measure up in typical metric units.

For daily purposes, once you"re ~ above the surface of the earth, the distinction is not important. But if you measure something on another planet, that mass will be the same as it is on earth—but that weight will certainly be different. (Weight counts on gravity, and also gravity is various on various other planets! This is why once you"re floating in space, you"re weightless. you still have actually mass, though,)

Metric devices

The gram and also kilogram room two units offered to measure mass in the metric system .

native the gram, we obtain the rest of the metric systems using the traditional metric prefixes.


0.001 gram or 1 1000 gram


0.01 gram or 1 100 gram

Decigram (dg)

0.1 gram or 1 10 gram


1,000 milligrams

Dekagram (dag)

10 grams

Hectogram (hg)

100 grams

Kilogram (kg)

1,000 grams

Metric ton(t)

1,000 kilograms

A file clip has a massive of around 1 gram.


A 1 liter party of water has actually a fixed of 1 kilogram (plus a small bit extra for the plastic).


U.S. Customary devices

The device for measuring weight (not mass) in the customary system is based on ounce, pound, and ton. The an easy unit of load is a pound(lb).

1     lb   ( lb )   =   16     ounces   ( oz ) 1     ton   ( T )                 =   2 , 000     pounds

An ounce is the smallest unit that weight. A strawberry has actually a load of around 1 ounce.


A car has a weight of around 2 tons.


To transform native one unit to another, we can use unit evaluation . Because that example, a van weights 6,000 pounds. How many tons is this?

We know that 1     ton = 2 , 000     pounds .

To transform pounds to tons, you can divide 6 , 000 by 2 , 000 .

6 , 000 ÷ 2 , 000 = 3     tons .


(a) To transform from larger units to smaller units, multiply by the appropriate unit ratio.

(b) To convert from smaller sized units to bigger units, multiply by the mutual of the suitable unit ratio.

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(c) multiply or splitting by a unit proportion is mathematically tantamount to utilizing a proportion to convert between units of measure up .