# Welcome to Calculators.net

Home of free online calculators — **Calculators.net**'s mission statement is to be the world's largest and most comprehensive collection of online calculators on the Web.

**Calculators.net** provide a seemingly endless array of handy and useful calculators along with plenty of conversion tools, organized by a large variety of categories, from math & science to finance, health & everyday cooking — and it's always **FREE**!

Our length converter tool enables quick and accurate conversions between many units of length measurements.

This area converter tool can help you quickly switch between any units of area such as acres and square feet.

The useful weight converter tool is here to assist with any conversions between different weight units, such as pounds and kilograms.

How many minutes are in a day? If this kept you up at night you arrived to the right place — our time units conversion tool is here to help!

How many pints are in a gallon? Our volume conversion tool makes converting between 12 different volume variants a snap.

Is it getting hot in here? Temperature conversions can get tricky sometimges, unless you use our temperature conversion tool!

Miles per hour to Kilometer per hour and backwards — In the need for speed our velocity conversion calculator is your tool for success!

Feeling energized? Our power conversion tool is equipped with everything you need to go from watts to kilowatts and up to megawatts.

Need to know how to convert degrees to radians? Then come on in, we also master degrees, points and circles in our angle conversion tool.

Everything in computing is zeros and ones. Bits and bytes are essentially building our computer world, and our data storage conversion tool is here to make some order out of the chaos.

There are 10 types of people in this world, those who understand binary and those who don't — Our number systems converter will make you the former :-)

First step in becoming a master chef is knowing how to read the recipe right — How many teaspoons are in a tablespoon? The answer for this and many more is inside...

What is the time in Russia? Well, with eleven different time zones, the answer is "it depends"... In any case, our time zones converter makes it easy to find out.

"Nature is written in mathematical language" — With our collection of math calculators and expression evaluator everyone can perform useful mathematical calculations in seconds.

(4.17 / 6 votes)Area = perimeter * apothem^{(*)}2^{(*)}Theapothemof a regular polygon is a line segment from the center to the midpoint of one of its sides.

Equivalently, it is the line drawn from the center of the polygon that is perpendicular to one of its sides.

apothem= side2 * tan(180 / n)

perimeter= side * n

whennis the number of sides.

A = p * a2 =

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