OneCalc: All-in-one Calculator

3K reviews
Content rating
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About this app

All-in-one Calculator is the most comprehensive calculator app for Android with many useful additional features.


• Perform basic calculations such as addition, subtraction, multiplication, and division
• Advanced mode supports scientific operations such as trigonometric, logarithmic, and exponential functions
• Percentage key to quickly add percentage to a number or subtract percentage from a number


Unit conversion
• Supports all common units used for measuring length, mass, temperature, area and volume

• Right triangle calculator to help with 3-4-5 rule
• Area and volume of geometric shapes
• Land area calculator using compass

• Finance module has calculators for savings and loan repayment
• Interest calculation using simple and compound interest
• Currency converter (not realtime, currency rates updated 4 times a day)

Everyday Math
• Add/ subtract fractional numbers
• Calculators for finding discount price, tip amount and price per unit when out shopping or dining
• Calculate profit margin and tax-included/ tax-excluded price of goods and services

Date/ Time
• Calculate past and future dates by adding/ subtracting days, weeks, or months
• Days between two dates

• Age calculator
• BMI calculator
Updated on
Oct 4, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity and 2 others
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Data can’t be deleted
3K reviews
Shahab Ashraf
September 30, 2022
Please add option to hide menu bar. It's annoying.
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Abdul Hai Khan
September 28, 2022
Without hitting= we can't get answers and can't edit in equations please improve this after this correction it is best app.
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Oluwalayomi Ajayi
October 2, 2022
Should had given 5star but for not having the +/- key. Provide the key and have my 5star.
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What's new

-fixed history viewer for dark mode
-fix for no icon in Android 7.1