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Decimal To Octal Converter

Convert decimal to octal with step-by-step mathematical calculations, reference lookup tables, and code snippets. Free online tool.

Decimal To Octal Calculator

Binär (Basis 2)
00101010
Dezimal (Basis 10)
42
Hexadezimal (Basis 16)
0x2A
Oktal (Basis 8)
52
Mathematische Aufschlüsselung (Schritt für Schritt)
42 in Decimal (Base 10) ➔ Binary: 42 = 32 + 8 + 2 = (1 × 2⁵) + (0 × 2⁴) + (1 × 2³) + (0 × 2²) + (1 × 2¹) + (0 × 2⁰) = 101010₂ ➔ Hexadecimal: 42 ÷ 16 = 2 remainder 10 ('A') = 0x2A₁₆ ➔ Octal: 42 ÷ 8 = 5 remainder 2 = 52₈

Universelle Bit-Konvertierungs- und Zahlenmatrix

Universelle Nachschlagetabelle für Binär, Hexadezimal, Dezimal, Oktal und ASCII-Zeichendefinitionen.

Dezimal (Basis 10) Binär (Basis 2) Hexadezimal (Basis 16) Oktal (Basis 8)
0 0000 0x0 0
1 0001 0x1 1
2 0010 0x2 2
3 0011 0x3 3
4 0100 0x4 4
5 0101 0x5 5
6 0110 0x6 6
7 0111 0x7 7
8 1000 0x8 10
9 1001 0x9 11
10 1010 0xA 12
11 1011 0xB 13
12 1100 0xC 14
13 1101 0xD 15
14 1110 0xE 16
15 1111 0xF 17

Code-Schnipsel

Python 
# Convert number across bases
num = 42
print(bin(num))  # Binary: 0b101010
print(hex(num))  # Hex: 0x2a
print(oct(num))  # Octal: 0o52
JavaScript 
// Convert number across bases
const num = 42;
console.log(num.toString(2));  // Binary: "101010"
console.log(num.toString(16)); // Hex: "2a"
console.log(num.toString(8));  // Octal: "52"

Binär-Tools