Hexadecimal to Decimal converter

Enter hex number:
	16
Convert Reset Swap
Decimal number:
	10
Decimal from signed 2's complement:
	10
Binary number:
	2
Decimal calculation:

Decimal to hex converter ►

How to convert from hex to decimal

A regular decimal number is the sum of the digits multiplied with power of 10.

137 in base 10 is equal to each digit multiplied with its corresponding power of 10:

137₁₀ = 1×10²+3×10¹+7×10⁰ = 100+30+7

Hex numbers are read the same way, but each digit counts power of 16 instead of power of 10.

For hex number with n digits:

d_n-1 ... d₃ d₂ d₁ d₀

Multiply each digit of the hex number with its corresponding power of 16 and sum:

decimal = d_n-1×16^n-1 + ... + d₃×16³ + d₂×16² + d₁×16¹+d₀×16⁰

Example #1

3B in base 16 is equal to each digit multiplied with its corresponding 16ⁿ:

3B₁₆ = 3×16¹+11×16⁰ = 48+11 = 59₁₀

Example #2

E7A9 in base 16 is equal to each digit multiplied with its corresponding 16ⁿ:

E7A9₁₆ = 14×16³+7×16²+10×16¹+9×16⁰ = 57344+1792+160+9 = 59305₁₀

Example #3

0.8 in base 16:

0.8₁₆ = 0×16⁰+8×16^-1 = 0+0.5 = 0.5₁₀

Hex to decimal conversion table

Decimal to hex converter ►

See also

• Decimal to hex converter
• Hex to binary converter
• Binary to decimal converter
• Octal to decimal converter
• How to convert hex to decimal
• Hex to ASCII text converter
• Hex to RGB color converter
• Numeral systems
• Number conversion
• 10 hex to decimal
• 7F hex to decimal
• FF hex to decimal

Write how to improve this page