Binary, Hex & Octal Calculator for iPhone & iPad

Calc Pro's Base Conversions calculator converts and calculates in binary, octal, decimal and hexadecimal, with bitwise logic built in. Made for programmers, engineers and computer science students.

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Free with ads · In-app purchase unlocks the full Pro Premium version

Calc Pro Base Conversions - Screenshot 1

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Base Conversions Features

Four number bases

Work in binary (BIN), octal (OCT), decimal (DEC) and hexadecimal (HEX), and switch bases to convert instantly.

Arithmetic in any base

Add, subtract, multiply and divide directly in hex, octal or binary.

Bitwise operations

AND, OR, XOR, NAND, NOR, XNOR and MOD keys for logic, masking and flags.

Hex digits A–F

Dedicated A–F keys make entering hexadecimal values quick and error-free.

Memory and tape

Memory keys and Tape View work here too, so you can copy or e-mail your results.

Great for

Programming and debugging
Networking and subnet masks
Hex color codes
Digital electronics coursework

Read the step-by-step Base Conversions guide

Frequently Asked Questions

Can Calc Pro convert binary to decimal?

Yes. Enter a number in binary, octal, decimal or hexadecimal and switch bases to see it converted instantly.

Does it support bitwise operations?

Yes. AND, OR, XOR, NAND, NOR, XNOR and MOD are built into the Base Conversions keypad.

Is Calc Pro free?

Calc Pro is a free download on the App Store for iPhone and iPad, supported by ads. The Pro Premium in-app purchase unlocks the full version, including crypto rates, PDF export, and the newest financial worksheets, unit categories, constants and statistics tools.

Is Calc Pro available on Android?

An Android version of Calc Pro is coming soon to Google Play.

More in Calc Pro

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See everything in Calc Pro

Download Calc Pro

Calc Pro combines 10 powerful calculators with 23 financial worksheets. It's the trusted choice of students, professionals, and investors worldwide, and the only app that can truly replace your pocket calculator.

Coming soon

Free with ads · In-app purchase unlocks the full Pro Premium version

Or use the Base Conversions free in your browser