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Number base conversion translates numbers between different positional numeral systems. Computers use binary (base 2) internally; hexadecimal (base 16) is used as a compact human-readable form of binary data; octal (base 8) appears in Unix file permissions. Understanding number bases is fundamental to computing, networking, and digital electronics.

ステップバイステップガイド

  1. 1Binary (base 2): digits 0–1, place values 1, 2, 4, 8, 16...
  2. 2Octal (base 8): digits 0–7, place values 1, 8, 64, 512...
  3. 3Decimal (base 10): digits 0–9, place values 1, 10, 100...
  4. 4Hexadecimal (base 16): digits 0–9 and A–F (10–15)
  5. 5Convert to decimal first, then convert from decimal to target base

解いた例

入力
Binary 1010 → decimal
結果
10
1×8 + 0×4 + 1×2 + 0×1 = 10
入力
Decimal 255 → hex
結果
FF
255 = 15×16 + 15 = 0xFF
入力
Hex 1F → decimal
結果
31
1×16 + 15 = 31

よくある質問

What is Binary Decimal Conv?

Number base conversion translates numbers between different positional numeral systems. Computers use binary (base 2) internally; hexadecimal (base 16) is used as a compact human-readable form of binary data; octal (base 8) appears in Unix file permissions

How accurate is the Binary Decimal Conv calculator?

The calculator uses the standard published formula for binary decimal conv. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Binary Decimal Conv calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Binary Decimal Conv calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

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