The mission?
Make the perfect calculator.
Make the perfect calculator.
All-In-One Calculator is a simple, clean and easy to use calculator with a complete set of tools for day to day life, such as a unit converter, currency converter, percentage calculator and more.
From simple or complex calculations, to unit and currency conversions, percentages, proportions, areas, volumes, etc... it does it all. And it does it good!
4.8
Star Rating
10
Million Downloads
125000
User Reviews
What People Say?
Features
Algebra
Solve linear, quadratic or equation systems. Calculate percentages, proportions and ratios. Find out means. Convert decimals to fractions. Check prime numbers.
Geometry
Calculate required dimensions for all the common 2D shapes and 3D bodies using known variables. Solve the right triangle. Get step by step solutions.
Unit Converters
Easily convert between all the common units on the same screen. Convert shoe and ring sizes, roman numerals or numeric bases.
Finance
Convert up to +160 currencies, even offline. Calculate sales tax and unit price. Find out the tip for a bill. Calculate loan and interest.
Health
Calculate your body mass index. Calculate how much calories you are burning in a day. Find out your body fat percentage.
Miscellaneous
Find out the distance in time between two dates. Find out how old you are in years, months and days. Calculate your car's mileage. Solve Ohm's law.
What makes it stand out?
Google Sign-In
Sign in with your Google account and keep your settings in the cloud.
Material Design
Updated to the latest design language. Material You coming up later this year.
Floating Calculator
Calculate over other apps easily with the floating calculator widget.
Calculator Widget
Black on white or white on black calculator widget for your home screen.
Solutions
Get step-by-step solutions and see formulas for each calculation.
Shortcuts
Create shortcuts for the most used calculators on your home screen.
All-In-One Calculator
Contact
Call Us
+40 744 212 246
Address
Nicolae Margineanu 22B
Cluj Napoca, Romania