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🔢 Base Converter Extended
Roman numerals, BCD, Gray code, and Excess-3 conversions.
🏛 Roman Numerals
Decimal (1–3999)
Roman
📟 Binary-Coded Decimal (BCD)
Decimal
BCD:
—
BCD (groups of 4 bits, space-separated)
Dec:
—
🔀 Gray Code
Decimal
Binary:
—
Gray:
—
Gray Code (binary string)
Binary:
—
Decimal:
—
➕ Excess-3 Code
Decimal
XS-3:
—
Excess-3 (groups of 4 bits)
Dec:
—
Reference Table
From:
To:
0–15
0–31
0–255
Dec
Binary
Gray
BCD
XS-3
Roman