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Number base converter

Convert binary, octal, decimal and hex

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Instructions

Number base converter

How to use

Enter a number and choose its base and the target base.

Enter a number and choose its base and the target base.

Supported input

Whole numbers up to 200 digits. The 0x, 0b and 0o prefixes and underscores are read. Negatives keep a minus sign.

Input example

255 (decimal)

Result example

FF (hex)

Troubleshooting

Values that are not numbers or are out of range are not calculated; the message says what to fix.

Limitations

Fractions and two's-complement notation are not supported.

How it works

Converts whole numbers between binary, octal, decimal and hexadecimal. Whole numbers up to 200 digits. The 0x, 0b and 0o prefixes and underscores are read. Negatives keep a minus sign.

Units & precision

Whole numbers up to 200 digits. The 0x, 0b and 0o prefixes and underscores are read. Negatives keep a minus sign.

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