In today’s story, one person tells another person to measure something using “any” unit of measure. Big mistake! Let’s see what happened. This one actually got done to me yesterday.

The sunflower is 214 cm tall. Calculate the height of the sunflower in metres and millimetres. There are 100 centimetres in a metre. Metres are larger than centimetres so the number of centimetres ...

Speed is a measure of how fast something is travelling. The speed of an object is how far the object travels in one unit of time. The formula for speed is: \(\text{speed} = \frac{\text{distance}}{\ ...

Metric measurements — also known as the International System of Units, or SI — are managed by a formal international organization. The rulers of the rulers have rules, and "hellabyte" and ...

A nanometer (nm) is a unit of length in the metric system, defined as one billionth (10-9) of a meter (m). The meter is the base unit of length in the International System of Units (SI), making the ...

An angstrom (Å) is a unit of length equal to 10-10 meters or 0.1 nanometers. It is named after the Swedish physicist Anders Jonas Ångström, who first used it to measure the wavelengths of light. The ...