Congratulations, you just found the most random collection of calculators available on the Internet! Are you a hardcore geek? We’ll help you pick a motor for your drone. A travel junkie? Use our calculator to choose the optimal sunscreen SPF for holidays in Bali. A keen photographer? We’ll help you plan out a perfect star time lapse. A jeweler? You can’t go wrong with our diamond weight calculator. We have it all, from gardening to makeup to cargo shipping so long as there’s a formula for it. And if we don’t have it yet (and you think we should), drop us a line - we’ll create a calculator just for you!
The alien civilization calculator explores the existence of extraterrestrial civilizations by comparing two models: the Drake equation and the Astrobiological Copernican Limits👽
Alien Civilization Calculator
Chilled drink
With the chilled drink calculator, you can quickly check how long you need to keep your drink in the fridge or another cold place to have it at its optimal temperature. You can follow how the temperature changes with time with our interactive graph.
Chilled Drink Calculator
Circumference
Use this free circumference calculator to find the area, circumference and diameter of a circle.
Circumference Calculator
Significant figures
The significant figures calculator performs operations on sig figs and shows you a step-by-step solution!