Convert nm to m or nanometers to meters using this simple conversion. Don't be afraid of the exponents. Here's what you do!

# Measurement

Learn how much 12 oz of water weighs in ounces, pounds, and grams. See why the calculation isn't as simple as you might think.

## How Much Does 12 oz of Water Weigh?

Learn about latitude and longitude and how they represent a location on Earth. See how to read coordinates in this coordinate system.

## Latitude and Longitude

Get the pressure definition in science. See its units and get example of pressure and how to calculate it.

## Pressure Definition in Science

Learn how to convert days to years by two easy methods. See an example unit conversion and a table of values.

## How to Convert Days to Years

See how to convert ounces to grams in an easy one-step conversion. Or, just see a table of ounce to gram conversions.

## How to Convert Ounces to Grams – 1 Step Conversion

Learn what an exact number is in chemistry, physics, and math. Get the definition and examples of exact numbers.

## What Is an Exact Number? Definition and Examples

See how to convert meters to yards and back again. Get easy examples for converting 100 yards and 100 meters.

## Meters to Yards – Easy Length Conversion

See how to convert PSI to atm or pounds per square inch to atmospheres. This is a common pressure conversion in science and engineering.