Binary to Decimal Converter
To convert binary to decimal, add the powers of 2 for each 1 digit: 10011100 = 128 + 16 + 8 + 4 = 156. ClickZM converts numbers of any length exactly using BigInt, supports fractions and signed two's complement, and shows the working.
- Free
- No signup
- Runs in your browser
How to use Binary to Decimal Converter
- 1Enter your values in the fields; defaults show a worked example.
- 2Pick the units or options that apply to you.
- 3Read the result, which updates instantly as you type.
- 4Check the formula note under the result to see exactly how it was worked out.
Binary to Decimal Converter: questions people ask
What is 1111 in decimal?
8 + 4 + 2 + 1 = 15.
How does two's complement work?
If the top bit is 1, subtract 2ⁿ: 11111011 as signed 8-bit is 251 − 256 = −5.
Is my data uploaded when I use the Binary to Decimal Converter?
No. The Binary to Decimal Converter runs entirely in your web browser, so your text and numbers stay on your device and work even on a slow connection.
Does the Binary to Decimal Converter work on iPhone, Android and Mac?
Yes. The Binary to Decimal Converter runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Binary to Decimal Converter free?
Yes. The Binary to Decimal Converter is free with no signup, no watermark and no daily limit.