Decimal to Binary Converter
Convert Decimal (Base 10) to Binary (Base 2) instantly. Enter any Decimal value to get the Binary equivalent.
Decimal to Binary
6 units
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Common Numbers Conversions
Decimal to Binary Conversion Table
| Decimal (Base 10) | Binary (Base 2) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 11 |
| 4 | 100 |
| 5 | 101 |
| 8 | 1000 |
| 10 | 1010 |
| 15 | 1111 |
| 16 | 10000 |
| 32 | 100000 |
| 64 | 1000000 |
| 100 | 1100100 |
| 128 | 10000000 |
| 255 | 11111111 |
| 512 | 1000000000 |
| 1000 | 1111101000 |
| 1024 | 10000000000 |
| 4095 | 111111111111 |
| 65535 | 1111111111111111 |
How to Convert Decimal to Binary
To convert from Decimal (base 10) to Binary (base 2), express the integer value using the digits available in the target base. For example, decimal 255 is 255 in Decimal and 11111111 in Binary.
Use the converter above — type any Decimal value to instantly see its Binary equivalent. Convert Binary → Decimal instead →
Frequently Asked Questions
Q
How do I convert Decimal to Binary?
Interpret the Decimal (base 10) number as an integer, then express it in base 2. For example, the Decimal value FF equals 255 in decimal, which is 11111111 in Binary.
Q
What is 255 in Binary?
255 in decimal = 11111111 in Binary.
About These Units
Decimal
Base 10
A positional numeral system with base 10. Uses 10 distinct digits (0–9).
Binary
Base 2
A positional numeral system with base 2. Uses 2 distinct digits (0–1).