各種単位変換
Binary to Decimal Converter
Convert binary strings of ones and zeros into decimal values with step-by-step exponential power calculation breakdowns.
Calculated locally in browser.
English Words Spelling
two hundred fifty-five
DECIMAL (BASE 10)
BINARY (BASE 2)
HEXADECIMAL (BASE 16)
OCTAL (BASE 8)
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Binary to Decimal Converter の使い方
1
Input Binary
Type a binary string (e.g. 10110101).
2
View Decimal
See the instant decimal equivalent.
3
Inspect Steps
Review the base-2 positional power math breakdown (2^0, 2^1, 2^2...).
Binary to Decimal Converter について
Evaluates the sum of binary digits multiplied by their respective powers of two: sum(bit_i * 2^i).
対応フォーマット
BinaryDecimal
利用制限
- •Integer and fractional binary support
主な機能
- Step-by-step mathematical calculation formula
- Supports 8-bit, 16-bit, 32-bit, and 64-bit binary strings
- Validates binary characters (0 and 1 only)
- One-click copy and swap
よくある質問
11111111 in binary equals 255 in decimal (one full 8-bit byte).
関連ツール
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Decimal to Binary Converter
Convert base-10 decimal numbers into binary strings with 8-bit, 16-bit, or 32-bit byte padding.
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Binary to Hexadecimal Converter
Convert binary strings (base-2) into compact hexadecimal strings (base-16) with 4-bit nibble grouping.
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Hexadecimal to Decimal Converter
Convert base-16 hexadecimal values into base-10 decimal numbers with power-of-16 calculations.
各種単位変換ツールを開く