Number Base Converter
Convert numbers between binary, octal, decimal and hex.
Result
Results are estimates for general information only and are not professional advice.
Number base conversion
Computers use binary (base 2) and hexadecimal (base 16), while we count in decimal (base 10). This converter takes a number in one base and shows its value in binary, octal, decimal and hexadecimal at once.
Frequently Asked Questions
What is the Number Base Converter?
Convert numbers between binary, octal, decimal and hex. It runs instantly in your browser and is completely free.
Is the Number Base Converter free and does it require signup?
Yes. Every calculator on Calculatis is 100% free with no registration, and the values you enter are never stored.
How accurate is the Number Base Converter?
It uses standard, widely-accepted formulas. Results are reliable estimates for general use and are not a substitute for professional advice.