Convert a Binary Number to Decimal Number

Convert a Binary Number to Decimal Number in real time. Just type or paste a binary string like 110101 and see the decimal value instantly, with options to clean the input, format the output, and display calculation steps.

Paste your input above or import a file below.
No file chosen
Supported file types: .txt, .csv, .tsv
Total characters: 0
Options
Remove non-binary characters
Show conversion steps
Add commas to output

How to Use:

  1. Enter a binary number into the input box for example: 110101.
  2. Use the toggles in the Options box to customize the result:
    • Remove non-binary characters: Filters out any characters that aren’t 0 or 1.
    • Show conversion steps: Displays how each bit contributes to the final decimal.
    • Add commas to output: Formats large numbers for readability (e.g., 1,024).
  3. The decimal result will appear instantly in the output box with a flashing border.
  4. Click Copy Output to copy the result or Export to File to save it.
  5. Use Clear All to reset the tool and start fresh.

You can also click Choose File to upload a binary string from a .txt or .csv file.

What Convert a Binary Number to Decimal Number can do:

Convert a Binary Number to Decimal Number takes any valid binary input and turns it into a decimal result on the fly. It removes non-binary characters if you want it to, and it can break down the conversion process step-by-step so you can see exactly how each bit contributes to the final number. Large decimal values can be automatically formatted with commas. The output is always live, and a character count shows you the result length at a glance.

File import is supported for .txt, .csv, and .tsv files, making it easy to load existing binary data.

Example:

Input:

110101

Settings: Remove non-binary characters: ON, Show conversion steps: OFF, Add commas to output: OFF

Output:53

With Show Steps ON:

53

Steps:
1 × 2^5 = 32
1 × 2^4 = 16
0 × 2^3 = 0
1 × 2^2 = 4
0 × 2^1 = 0
1 × 2^0 = 1

Common Use Cases:

Convert a Binary Number to Decimal Number is useful for students, programmers, network engineers, and anyone working with binary data. You can debug bit-level math, prepare values for spreadsheet calculations, or simply learn how base-2 values translate into base-10. It’s fast, accurate, and customizable to match how you want to see the result.

Useful Tools & Suggestions:

After you’ve got the decimal value, Convert a Decimal Number to Hex Number lets you keep going toward base 16 if needed. And if you’re compressing the binary for easier reading, Convert a Binary Number to Octal Number makes things a lot more compact.

Related Tools