Number Systems Converter

Popular number systems conversions

• Binary to Decimalbase 2 → base 10
• Decimal to Binarybase 10 → base 2
• Hexadecimal to Decimalbase 16 → base 10
• Decimal to Hexadecimalbase 10 → base 16
• Binary to Hexadecimalbase 2 → base 16
• Decimal to Roman Numeralsbase 10 → I–MMMCMXCIX

Frequently asked questions

Which number systems units can I convert?

This converter supports 5 units including binary, octal, decimal, hexadecimal, roman numerals.

How accurate is the number systems converter?

Conversions use internationally defined factors and are calculated at full double precision, then rounded for readability.

Do I need an account to use VAConverter?

No. There is no sign-up, no tracking of your inputs, and every conversion runs in your browser.

Anything I should watch out for?

Whole numbers only. Roman numerals cover 1 to 3999.