Reciprocal heading

The opposite heading, course or radial (±180°).

Heading, course or radial

Reciprocal

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The opposite heading, course or radial (±180°). Type in any box and the others follow.

More converters

›How do I find a reciprocal quickly?

Add or subtract 180°. Mental trick: for 090 → 270, add 200 and take away 20; for 270 → 090, take away 200 and add 20.

›What about runways?

Runway numbers are the magnetic direction in tens of degrees, so the other end is the reciprocal: 09 ↔ 27, 18 ↔ 36.

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