Decimal to Hex Converter
Convert decimal to hexadecimal instantly. Free online tool with batch support, step-by-step explanation, and no signup required.
Decimal to Hexadecimal Conversion Examples
| Decimal Input | Hexadecimal Result |
|---|---|
| 255 | FF |
| 100 | 64 |
| 1024 | 400 |
| 4096 | 1000 |
| 65535 | FFFF |
How to Convert Decimal to Hexadecimal
- 1Start with the decimal number in base 10.
- 2Divide the number by 16 and write down the remainder.
- 3Convert remainders 10 through 15 to A through F.
- 4Repeat the division with the quotient until the quotient becomes 0.
- 5Read the remainders from bottom to top to get the hexadecimal result.
- 6Example: decimal 255 → 255÷16 = 15 remainder 15(F), then 15÷16 = 0 remainder 15(F), so the result is FF.
Frequently Asked Questions
How do I convert decimal to hex?⌄
Divide the decimal number by 16, record the remainder, and repeat with the quotient until it reaches 0. Read remainders from bottom to top. Example: 255 ÷ 16 = 15 R15(F), 15 ÷ 16 = 0 R15(F) → FF.
What decimal value is FF in hex?⌄
FF in hexadecimal equals 255 in decimal (15×16 + 15 = 255).
How do I read hex numbers?⌄
Each hex digit represents 4 bits. Hex is read left to right, with each position being a power of 16. For example, 0x1A = 1×16 + 10 = 26.
Why does hexadecimal use letters?⌄
Hexadecimal needs 16 symbols. Digits 0-9 cover the first ten values, and letters A-F represent decimal values 10 through 15.
Can I convert large decimal numbers to hex?⌄
Yes. The converter handles common integer values and batch input. For very large programming values, check whether your target system expects signed, unsigned, or fixed-width hex.