Napkin Calculator — Fabric for Cloth Napkins
Work out fabric needed for a set of cloth napkins.
Square napkins
How We Calculate This
Napkins are cut as squares with hem allowance. The calculator works out how many napkins fit across the fabric width and how many rows you need.
The formula
Cut size = Napkin size + (Hem allowance × 2)
Napkins per row = floor(Fabric width ÷ Cut size)
Rows = ceil(Quantity ÷ Napkins per row)
Fabric = Rows × Cut size
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Always verify quantities before cutting or purchasing fabric.