Not your average calculator site. While Calculate This! does provide standard calculators, there are even more calculators that you probably didn't know you even needed.
This little calculator will help you determine how much the bones in your body weigh based on a percentage of your weight in pounds. 
This little calculator will help you determine how much blood is in your body based on your weight in pounds. 
We would prefer to call this calculator the "Why We Love Indoor Cats Calculator" because we love cats, but we also love wildlife. This calculator estimates the number of wildlife kills that occur both weekly and annually... more 
This widget will display the current estimated World Population from the US Census. 
This widget will display the current estimated US Population from the US Census. 
This calculator takes the most current (hourly) US population estimate from the US Census and calculates the current number of households that are pet owners based on statistical pet ownership data. It provides a further... more 
No matter how you do the math, there are too many cats/kittens and too few homes. This calculator attempts to (loosely) apply math calculations to scientific principles as they relate to cat reproduction. Taken into... more 
Convert Pounds (lb) to Ounces (oz) using this conversion calculator for metric weight conversions. 1 Pound = 16 Ounces. The formula to convert pounds to ounces is to multiply by 16. 
Convert Pounds (lb) to Kilograms (kg) using this conversion calculator for metric weight conversions. 1 Pound = 0.453592 Kilograms. The formula to convert pounds to kilograms is to multiply by 0.453592. 
Convert Pounds (lb) to Grams (gm) using this conversion calculator for metric weight conversions. 1 Pound = 453.592 Grams. The formula to convert pounds to grams is to multiply by 453.592. 
Convert Grams (gm) to Pounds (lb) using this conversion calculator for metric weight conversions. 1 Gram = 0.00220462 Pounds. The formula to convert grams to pounds is to multiply by 0.00220462. 
Convert grams (gm) to Ounces (oz) using this conversion calculator for metric weight conversions. 1 Gram = 0.035274 Ounces. The formula to convert grams to ounces is to multiply by 0.035274. 
Convert kilograms (kg) to Grams (g) using this conversion calculator for metric weight conversions. 1 Kilogram = 1000 Grams. The formula to convert kilograms to grams is to multiply by 1000. 
One silver troy ounce equals 31.1034768 grams. This calculator will provide you with the approximate value of scrap silver you may have based on the current price of silver. To use the calculator you will need to weigh... more 
One silver troy ounce equals 31.1034768 grams. This calculator will provide you with the approximate value of scrap silver you may have based on the current price of silver. To use the calculator you will need to weigh... more 
One gold troy ounce equals 31.1034768 grams. This calculator will provide you with the approximate value of scrap gold you may have based on the current price of gold. To use the calculator you will need to weigh your... more 
One gold troy ounce equals 31.1034768 grams. This calculator will provide you with the approximate value of scrap gold you may have based on the current price of gold. To use the calculator you will need to weigh your... more 
This live clock displays the time in various areas of the world. 

This UTC converter is courtesy of World Time Buddy and will convert your timezone to UTC GMT time. 