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Fastener batch weight and cost calculator online

Enter one fastener's weight (from a spec sheet or standard) and the order quantity. The calculator works out the batch weight and cost — priced per kilogram or per piece, whichever you know.

Fill this or the price below, not necessarily both

Result

Batch cost

—

Batch weight —
Cost per piece —

Your inputs are stored in this browser, so everything is still here next time. Nothing is sent to a server.

This calculation is for informational purposes only and does not replace advice from a qualified professional. Formulas and rates may not fit your exact situation — double-check the figures before making decisions.

How it is calculated

Batch weight = unit weight × quantity, converted to kilograms. If a per-piece price is given, it takes priority for the cost; if only a per-kg price is given, cost is calculated from the batch weight instead.

Cost per piece = batch cost ÷ quantity — handy for comparing quotes from suppliers who price the same fastener differently, one per kg, another per piece.

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