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Professional Calibration Targets Generator

Generate high-precision printable calibration targets for camera calibration and photogrammetry. Print at 100% / Actual size to preserve accurate measurements. For chessboards, inputs are inner corners (intersection points).

Target Parameters

Chessboard Configuration

Note: OpenCV detects inner corners (intersection points). Printed squares = (rows + 1) × (cols + 1)

Initializing...

Live Preview

Preview Note: Scale is proportional for display. Physical dimensions are preserved in the exported PDF.

Printing Instructions

  • Use high-quality white paper (minimum 80gsm recommended)
  • Print at 100% scale / Actual size - disable "Fit to page"
  • Use a laser printer for best precision and contrast
  • Verify printed dimensions with a ruler before use
  • For best results, mount on rigid backing (foam board, etc.)