Base Conversion•Live Bidirectional•100% Client-Side

Decimal to Hex Converter

Convert decimal numbers to base-16 hexadecimal (0x...) with uppercase/lowercase formatting.

Hexadecimal Output (Base 16)
0xFF
Binary Equivalent: 11111111

Step-by-Step Division by 16 Method

StepDivisionQuotientRemainder (Decimal)Hex Digit
1255 ÷ 161515F
215 ÷ 16015F

* Read the hex digits from bottom to top to assemble the final hexadecimal string.

Conversion Formula & Standards

Conversions follow International System of Units (SI) and ISO standard constants.

Repeated integer division by 16 recording remainders (0-9, A-F)

How to Use Decimal to Hex Converter

01

Enter your decimal number.

02

Toggle between uppercase (0xFF) or lowercase (0xff) formatting.

03

Review the division steps and corresponding binary equivalent.

Frequently Asked Questions

Why does hexadecimal use letters A through F?

Base-16 requires 16 distinct single-digit symbols. Numbers 0 through 9 represent values 0-9, and letters A, B, C, D, E, F represent values 10, 11, 12, 13, 14, and 15 respectively.

Explore Companion Converters

Instant bidirectional unit and number system converters with zero server latency.

View all 20 converters