Polar ↔ rectangular

Client

Mode polar converts r,θ° to rectangular; mode rect (default) does the opposite.

About Polar ↔ rectangular

Convert r∠θ° to a+bi or the reverse—degrees, local trig. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

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Nearby workflows on Toolcore

  • Complex magnitude |a+bi| — Modulus of a complex number from real and imaginary parts. when units or numeric output should be checked on a related calculator.
  • Pythagorean theorem — Compute hypotenuse c from legs a and b (√(a²+b²))—right-triangle math in your browser. when units or numeric output should be checked on a related calculator.
  • JSON formatter — JSON format online: pretty-print, minify, validate, escape, download . when units or numeric output should be checked on a related calculator.
  • Encoding tools — Hub index: Base64 & URL, Base64url, Base32, Crockford, LEB128, ASCII85, Z85, Base58, base-36, bencode, Morse, quoted-printable, URI, Puny… when units or numeric output should be checked on a related calculator.

Common use cases

  • Polar ↔ rectangular for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.