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Hexadecimal to Denary Conversion Practice

Convert F6 from hexadecimal to denary:

F616

=  
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Step 1: Split the Bits

Split the two hexadecimal numbers into single digits.

F6
 
F 6

Step 2: Convert Digits to Denary

Convert each digit to denary.

For numbers 0 – 9, it will be the same. For numbers A – F, use 10 – 15.

F=15

F in hex is equivalent to 15 in denary.

6=6

6 less than 10, so it is the same in hexadecimal and denary.


Step 3: Convert to Binary Nibbles

Convert each denary digit into a nibble (a four-bit binary number).

15 =

8 4 2 1
1111

6 =

8 4 2 1
0110

Step 4: Join into a Byte

Put our two binary nibbles together to create one byte.

Remember to re-number the binary columns for the first nibble.

128 64 32 16   8 4 2 1
1111 0110

Step 5: Convert Binary to Denary

Finally, convert the whole binary byte into a decimal number.

128 64 32 16 8 4 2 1
11110110

128 + 64 + 32 + 16 + 4 + 2 = 246


The answer

We have now converted F616 to 24610.

246