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Decimal to Hex Converter

Enter a decimal number and press Convert (e.g. 255 → FF):

Decimal Number (Base 10)
Hex Result (Base 16)
Hex to decimal converter ►

How to Convert Decimal to Hex

Use repeated division by 16:

  1. Divide the decimal number by 16
  2. Record the remainder (0–15, where 10–15 map to A–F)
  3. Divide the quotient by 16 again
  4. Repeat until quotient is 0
  5. Read remainders bottom-to-top

Example: 255₁₀ to hex

255 ÷ 16 = 15 remainder 15 (F) 15 ÷ 16 = 0 remainder 15 (F) Read remainders bottom-up: FF

Decimal to Hex Reference Table

DecimalHexBinary

See Also

Number Conversion