11111010 binary to decimal

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What is binary 11111010 in decimal?

Answer

Binary number 11111010 in decimal is
250

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: −122 in sign-magnitude, −5 in ones’ complement, −6 in two’s complement.

Digit × place value, then add
2⁷2⁶2⁵2⁴2³2²2¹2⁰
1286432168421
11111010

128 + 64 + 32 + 16 + 8 + 2 = 250

See Also

FAQ

What is binary 11111010 in decimal?

Binary number 11111010 in decimal is 250

What is binary 11111010 in hexadecimal?

Binary 11111010 in hexadecimal is FA (0xFA): group the bits by four from the right — 1111 = F, 1010 = A.

What is 11111010 as a signed number?

As an 8-bit signed number: −122 in sign-magnitude, −5 in ones’ complement, −6 in two’s complement. Unsigned it is 250.