Learn about absolute and relative error. See their formulas and get examples of how to calculate them in science.

# Measurement

Find out why the symbol of pound is lb and learn the correct plural of the unit pound.

## Why the Symbol of Pound Is lb

Get the volume definition in science. Learn about volume units, get examples, and see how volume differs from mass or capacity.

## Volume Definition in Science

Learn the difference between mass and weight. See how to measure them and use units correctly.

## Mass vs Weight – The Difference Between Mass and Weight

Learn easy ways to convert cubic meters to liters and get tips for reporting your answer correctly.

## How to Convert Cubic Meters to Liters (m3 to L)

A micron is a unit of length that is one millionth of a meter or 10-6 m. One micron is 1/26,000 of a inch. The micron is also known as a micrometer (American), micrometre (International Bureau of Weights and Measures), or by its abbreviation μm. Usually, the plural form of a […]