1111 in Decimal
Binary 1111 equals 15 in decimal.
1111 in all number bases
Decimal15
Hexadecimal0xF
Binary1111
Octal17
Try another value
Edit this value or switch its base. Your changes are calculated in your browser with exact integer arithmetic.
Input base:
Decimal
15Hex
0xFBinary
0b1111Octal
0o17How 1111 converts from binary to decimal
Multiply each digit by 2 raised to its position (starting at 0 from the right), then add the results:
1× 23 = 1 × 8 = 8
1× 22 = 1 × 4 = 4
1× 21 = 1 × 2 = 2
1× 20 = 1 × 1 = 1
Sum: 15
This tool runs entirely in your browser - nothing you enter is uploaded or stored.