Calculators and Converters
Choose from a multitude of free finance calculators, imperial and metric converters, math calculators, health calculators and other useful tools for everyday, general use.
- Acceleration Converter
- Area Converter
- Cooking Converter
- Data Storage Converter
- Energy Converter
- Fuel Economy Calculator
- Height Converter
- Length and Distance Converter
- Mass & Weight Converter
- Power Converter
- Pressure Converter
- Time Converter
- Velocity Converter
- Volume Converter
- Weight Converter
- Weight To Volume Converter
Are you wondering how to measure a cubic yard or how many cubic feet there are in a yard? Wonder no longer, here's what you need to know...A foot is 12 inches long, making it exactly a third of a yard. So, if you draw a line on the ground with chalk and it's 1 yard in length, then it's 3 feet long...
The profit margin formula is a way of calculating what percentage of sales revenue remains as true profit, after all costs and expenses are accounted for. Profit margin is also sometimes known as gross profit ratio or return on sales ratio. Obviously, the higher the percentage, the healthier the com...
An in-depth look at the compound interest formula as we break down how to calculate compound interest. The concept of compound interest is that interest is added back to the principal sum so that interest is earned on that added interest during the next compounding period.
Whether you're ordering clothes online, monitoring your weight, or designing a bespoke bucket chair for your space-shuttle to the moon (look, the world is on fire; it's OK to have a plan B), you need to be able to measure your body accurately. Here's how to get the digits for your waist.
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From abacus to iPad, learn how the calculator came about and developed through the ages. Read our featured article.