Number Base Converter (2-36)

Convert between any two integer bases from 2 to 36. Shows decimal / binary / octal / hex side-by-side.

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Formula and source

Positional-notation base conversion. parseInt(value, source_base) -> integer; integer.toString(target_base) -> output. Bases 2 through 36 (limit of JavaScript radix support).

Standard positional-notation conversion. The 2-36 range is the upper limit of the [0-9] + [A-Z] digit alphabet.

Audience

This tile is built for trades and the adjacent professions in the Educators and K-12 group. The interactive calculator runs entirely in your browser. No account, no fee, no advertising, no tracking.

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Posture

Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.