Make the perfect calculator
Enjoy a beautiful calculator with big buttons and numbers, that doesn't get in your way
Chose between 3 button layouts and enjoy them on any screen, from phones to tablets
Get results as you type, view your history, save to memory, plot graphs or solve fractions
Features hidden in plain sight
Long press the division key to enter a fraction
Type sin(x) and see the graph immediately
Pick the simple, classic or modern layout to fit your workflow perfectly
Whether you are cooking, working on a science project or checking dimensions, we have the converter you need
Travel the world with confidence or track exchange rates seamlessly even without an internet connection
A complete set of tools for your day-to-day life
Solve equations, percentages, proportions and ratios. Find means, convert decimals to fractions and check prime numbers.
Calculate required dimensions for common 2D shapes and 3D bodies. Solve for area, volume and surface area easily.
Easily convert between common measuring units. Convert shoe and ring sizes, roman numerals or numeric bases.
Convert 150+ currencies offline. Calculate sales tax, unit prices, tips, loans and simple or compound interest.
Track your wellness. Calculate your Body Mass Index (BMI), daily calorie burn and body fat percentage.
Add or subtract from a date. Find the precise difference between two dates or calculate your exact age.
"Love this app! It deserves to be at the top. Slick UI, lovely design and features you never thought you need until you realise you do."
"Best calculator app. Has everything you need unless you are doing PhD in combined mathematics."
"Amazing app for a calculation nerd like me. Totally worth full purchase price to go ad free and support the developers."
"In a world of oversimplified apps, this one has every tool you can ever need. Please don't change it!"
Have a feature request or found a bug? Let us know.