10進数から16進数へ変換
10進数（整数・小数）を16進数(0x)へ変換。バイト区切り、ASCII文字デコード、RGBカラープレビューおよび除算手順を表示します。
ステップ解説 — Base-16 Proof
Hexadecimal & Decimal Cross Reference
Standard Hex values, Binary equivalents, and character mappings.
| Decimal | Hex (0x) | Binary Form | Notes | Action |
|---|---|---|---|---|
| 0 | 0x0 | 0000 0000 | Null | |
| 10 | 0xA | 0000 1010 | Ten | |
| 15 | 0xF | 0000 1111 | Fifteen | |
| 16 | 0x10 | 0001 0000 | 16¹ | |
| 32 | 0x20 | 0010 0000 | Space (ASCII 32) | |
| 65 | 0x41 | 0100 0001 | 'A' (ASCII 65) | |
| 255 | 0xFF | 1111 1111 | 8-bit Max (255) | |
| 4095 | 0xFFF | 1111 1111 1111 | 12-bit Max | |
| 65535 | 0xFFFF | 16-bit 1s | 16-bit Max | |
| 16777215 | 0xFFFFFF | 24-bit 1s | White (#FFFFFF) |
関連する計算・変換ツール
Convert raw binary bitstreams into Decimal, Hexadecimal nibbles, and Octal UNIX permissions with step-by-step proofs.
分数計算機
Add, subtract, multiply, divide & simplify fractions
分数から小数へ変換
Convert fractions & mixed numbers to exact decimals & repeating cycles
小数から分数へ変換
Mixed & improper fractions with GCD steps
16進数から10進数へ変換
Convert Base-16 (0x) to Base-10 decimals with power expansion
10進数から16進数へ変換
Base-16 hex with byte spacing & RGB preview
2進数から10進数へ変換
Convert base-2 bits to base-10 decimal & fractions
2進数から16進数へ変換
Convert 4-bit nibbles to Base-16 hexadecimal (0x)
2進数から8進数へ変換
Convert 3-bit triplets to Base-8 octal & UNIX permissions
ASCIIから2進数へ変換
Convert ASCII text and Unicode characters to 8-bit binary bits
ASCIIから10進数へ変換
Convert ASCII text and Unicode characters to decimal byte sequences
10進数からASCIIテキストへ変換
Convert decimal codes & byte arrays to ASCII text
10進数から2進数へ変換
Base-2 bits & IEEE-754 32-bit float inspection
小数からパーセントへ変換
Percentage, basis points (bps) & gauge
小数からインチ(分数)へ変換
1/16″ to 1/64″ fractional inches & metric ruler
小数から分・時間へ変換
HH:MM:SS timecodes & payroll work logs
Frequently Asked Questions
Everything you need to know about decimal conversions, accuracy, and formulas.
01What is Hexadecimal (Base 16)?▼
Hexadecimal is a base-16 positional numeral system that uses 16 symbols: 0–9 to represent values zero to nine, and A–F (or a–f) to represent values ten to fifteen. It is widely used in computing because one byte (8 bits) can be represented by exactly two hexadecimal digits.
02How do you calculate hexadecimal from decimal?▼
Divide the decimal value by 16 repeatedly. Record each remainder as a hex digit (0-9 or A-F). Once the quotient reaches 0, the remainders read in reverse order give the complete hexadecimal number.