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Hexadecimal to Decimal Conversion

Number system conversion

# Whole Number Conversion
→ Hexadecimal Number is converted to decimal number by calculating the sum of the product of each hexadecimal digit(if there is any digit from A-F, then that should be replaced by corresponding numeric value) and its corresponding place value in term of power of 16 which begins from 0 and increases for integer part. 
Example;


Fractional Conversion(Only for Grade-XI)
→ The integer part for the fractional Hexadecimal Number is converted by the same method shown above; for fractional part we calculate the sum of the product of each hexadecimal digit and its corresponding place value in term of power of 16 from -1 which decreases as we move right to fractional part. 
Example;