Orienteering control marker
An orienteering control marker is a fabric flag with orange and white panels used to mark checkpoints in orienteering events.
Also known as: orienteering control flag, control marker
How big is it?
30 cm wide
Also 11.81 in
Specified flag-face width · specified
A little perspective
About 1.43 times the width of A4 paper.
A4 paper: A4 paper is an ISO 216 paper format commonly used internationally for letters, forms and printed documents.
Measurements, assumptions & sources +
Orienteering control marker
An IOF control flag has three approximately 30 cm square faces, each divided diagonally into white and orange fields. The complete fabric prism is shown without a stand or electronic punching unit.
International Orienteering Federation — Control descriptions
The marked specified flag-face width is calibrated. Unmeasured illustration details are representative.
A4 paper
A4 is 210 × 297 mm. Its 0.06237 m² area is calculated from those nominal sides. The marked span uses the exact measurement; the generated paper texture and outline are illustrative.
University of Cambridge — ISO paper sizes
The marked width is calibrated. Unmeasured illustration details are representative.
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Why this measurement?
Why we use 30 cm
For comparison, this page uses specified flag-face width. The record labels this value specified, so the stated convention rather than an inferred average controls the comparison.
An IOF control flag has three approximately 30 cm square faces, each divided diagonally into white and orange fields. The complete fabric prism is shown without a stand or electronic punching unit.
The marked horizontal span follows the named feature; transparent margins and unmeasured details do not alter it. How calibrated comparisons work →
Recorded properties
Orienteering control marker dimensions and measurements
| Property | Selected value | Recorded range | Basis |
|---|---|---|---|
| 30 cm | Not recorded | specified | |
| 30 cm | Not recorded | specified |
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The source records and measurement method remain available for inspection.
- International Orienteering Federation — Control descriptionsStandard orange-and-white control-flag form and approximately 30 cm square faces.
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