11111000 binary to decimal

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What is binary 11111000 in decimal?

Answer

Binary number 11111000 in decimal is
248

Read as an unsigned binary number — each place is worth a power of 2, 2⁰ on the right.

If this is an 8-bit signed number, the first bit is the sign: −120 in sign-magnitude, −7 in ones’ complement, −8 in two’s complement.

Digit × place value, then add
2⁷2⁶2⁵2⁴2³2²2¹2⁰
1286432168421
11111000

128 + 64 + 32 + 16 + 8 = 248

See Also

FAQ

What is binary 11111000 in decimal?

Binary number 11111000 in decimal is 248

What is binary 11111000 in hexadecimal?

Binary 11111000 in hexadecimal is F8 (0xF8): group the bits by four from the right — 1111 = F, 1000 = 8.

What is 11111000 as a signed number?

As an 8-bit signed number: −120 in sign-magnitude, −7 in ones’ complement, −8 in two’s complement. Unsigned it is 248.