Mondo Knows Tools

Binary Calculator

Convert between binary and decimal. Use the free binary calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Mondo says

Binary
101010
Hex2A
Bits needed6

Binary Calculator: common questions

What does the Binary Calculator work out?
Convert between binary and decimal. It is one of the Math tools on Mondo Knows.
How is the Binary Calculator calculated?
You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?
No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo also knows

Facts that connect to the binary calculator

Short, sourced facts that point back to this tool.

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.