Binary Converter
Binary, decimal, hex and octal in one step.
Enter your values
Enter the value you are working with.
Choose one of: Binary, Octal, Decimal, Hexadecimal.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Binary
- 11111101010
- Decimal
- 2,026
- Hexadecimal
- 0x7EA
- Octal
- 0o3752
- Bits required
- 11
- Bytes (padded)
- 2
Working
- 12026 (base 10) = 2,026 decimal = 11111101010 binary
Quick answer
Binary is base 2, octal base 8 and hexadecimal base 16 — all shorthand for the same underlying value.
At a glance
| What it does | Binary, decimal, hex and octal in one step. |
|---|---|
| Category | Math |
| Inputs needed | Value, Input base |
| Main output | Binary |
| Cost | Free — no sign-up, no download |
How to use the Binary Converter
- 1Enter the value you want to convert.
- 2Select which base it's written in.
- 3Read all four representations.
Inputs explained
- Value
- Enter the value you are working with.
- Input base
- Choose one of: Binary, Octal, Decimal, Hexadecimal.
Worked example
Using the values the calculator loads with:
Inputs
- Value2026
- Input baseDecimal
Results
- Binary11111101010
- Decimal2,026
- Hexadecimal0x7EA
- Octal0o3752
- Bits required11
- Bytes (padded)2
- 2026 (base 10) = 2,026 decimal = 11111101010 binary
Frequently asked questions
Why is hex used for colours?
Each hex digit covers exactly 4 bits, so two digits express one byte per colour channel — compact and lossless.
How many values fit in 8 bits?
256, from 0 to 255 unsigned, or −128 to 127 signed.
What do I need to enter into the Binary Converter?
Just 2 values: value, input base. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Binary Converter work out the answer?
Binary is base 2, octal base 8 and hexadecimal base 16 — all shorthand for the same underlying value. The working is shown step by step so you can verify the result by hand.
Is the Binary Converter free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.