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Costing

SMV / SAM

Standard minutes per garment operation from observed time × rating × allowance.

Interactive calculator

SMV / SAM

Standard allowed minutes for one operation from observed time, operator rating and allowance.

100 = normal pace.

Typical range 10–20% for sewing.

Formula: SMV = observed time × (rating ÷ 100) × (1 + allowance ÷ 100).

Planning aid only. Values are not stored or transmitted. Verify against your own IE and finance standards before using operationally.

This calculator is a shared implementation from the Garment Knowledge Calculators Centre. Values never leave your browser. The “Copy shareable link” button below the inputs captures the current values in the URL so a colleague can reopen the same result.

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