Convert between different number systems
Binary ↔ Decimal
Decimal ↔ Hexadecimal
Binary ↔ Hexadecimal
Octal ↔ Decimal
Our number systems converter provides fast, accurate conversions between all common number systems units. Whether you need to convert decimal to binary, binary to hexadecimal, or any other number systems units, our tool makes it simple.
Popular number systems conversions include:
Simply select your desired converter from the options above, enter your value, and get instant results. You can also swap between units with a single click and copy results to your clipboard.
The most common number systems conversion is typically binary to decimal. This conversion is frequently needed in various professional and everyday applications.
Our number systems conversions are highly accurate, using precise conversion factors and formulas. Results are calculated to multiple decimal places to ensure precision, though we display rounded values for readability. For scientific or engineering applications requiring extreme precision, you can view the exact formulas used for each conversion.