Binary to Decimal Converter

Binary to Decimal

Convert binary (base 2) numbers to decimal (base 10) in your browser. Prefixes like 0b are accepted on input. Need the opposite direction? Convert Decimal to Binary.

Related base conversions

• Decimal to Binary(10 → 2)
• Binary to Octal(2 → 8)
• Binary to Hex(2 → 16)
• Octal to Binary(8 → 2)
• Octal to Decimal(8 → 10)
• Decimal to Octal(10 → 8)
• Decimal to Hex(10 → 16)
• Hex to Binary(16 → 2)

Frequently asked questions

How do I convert binary to decimal?

Enter a binary value above. The decimal result is highlighted, and you can copy the raw or prefixed form.

Does this support large integers?

Yes — conversions use BigInt so values are not limited to 32-bit or 64-bit ranges.

Can I convert other bases too?

Switch the input base, click a different result to set the target, or open the main number base converter.