ChArUco Board Generator

Quick Presets

Print-Ready Templates

Pre-calculated boards that fit standard paper at 1:1 scale

PaperBoardCornersSqMarkerDictSize1:1
A4 L9×78×625mm14mm6X6_250245×195
A3 L9×78×635mm19mm6X6_250335×265
A2 L9×78×655mm30mm6X6_250515×405
A1 L9×78×675mm41mm6X6_250695×545
A1 L9×78×680mm44mm6X6_250740×580

All 8×6 templates use the same board dimensions (9×7 squares) with square size optimized for each paper.

All templates verified: 1:1 scale on their paper size — guaranteed accurate for real-world calibration.

Board

7 × 5

Corners

24

Size

300.0 mm × 220.0 mm

Dict

DICT_6X6_250

Print Accuracy (300 DPI) — FIXED
1px = 0.0847mm11.81 px/mmSquare: 40mm472pxBoard: 300×220mm3543×2598px
Print Size on Selected Paper
Board: 300×220mm3543×2598 px at 300 DPIA4 (210×297mm): Board TOO LARGE (needs 70% scale)

Best paper: A3 (landscape) at 100%

Paper Coverage
105.8%300×220mm / 210×297mm
Board 300\u00d7220mm is too large for A4 (210\u00d7297mm). Will be scaled by 70%.

Download & Export

(pure board mode)