See how to calculate the number of hours in a year, the number of working hours in a year, and the amount of free time.
Measurement
Find out how many minutes are in a day. Compare the number of minutes in a solar day versus a sidereal day and see why there is a difference.
How Many Minutes in a Day? Easy Time Conversion
Convert nm to m or nanometers to meters using this simple conversion. Don't be afraid of the exponents. Here's what you do!
nm to m – Nanometers to Meters Conversion
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.