TAR calculator

Precision, recall, and F1 calculator

Calculate precision, recall, and F1 from true-positive, false-positive, and false-negative counts.

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Precision, Recall & F1 workspace

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Precision-Recall-F1

Calculate precision, recall, and F1 from a confusion-matrix slice.

Precision = TP / (TP + FP); recall = TP / (TP + FN); F1 = 2 x precision x recall / (precision + recall).

Use adjudicated classifications to compare model or workflow performance.

Enter values to see calculator output.

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Use note

Educational and not legal advice.

Results are planning aids and can be wrong if inputs or assumptions are wrong. Users remain responsible for independent human and professional review.