How accurate is this result?

It is a practical planning estimate based on the visible assumptions. Product specifications and real-world conditions can vary.

Can I change the assumptions?

All editable assumptions appear as calculator inputs. Fixed assumptions are listed on the page.

Calculadoras

Curtain Fabric Calculator

Estimate fabric length for multiple curtains with fullness, hems and a cutting allowance.

Answer with the example values

Required Quantity: 12.3 · Purchase Units: 13 · Purchase Quantity: 13

Formula: Estimate fabric length for multiple curtains with fullness, hems and a cutting allowance. The method uses the entered values in consistent units and rounds only the final purchase quantity.

Assumptions: Default includes typical drop, header and hem allowance. Pattern matching can increase the requirement.

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Your answer and the practical quantities behind it will appear here.

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Materiales recomendados

Fabric scissors

Rotary cutter and mat

Sewing measuring tape

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Fórmula y método

Estimate fabric length for multiple curtains with fullness, hems and a cutting allowance. Calcula qué necesitas, cuánto necesitas y qué comprar.

Supuestos y limitaciones

Default includes typical drop, header and hem allowance.
Pattern matching can increase the requirement.

Ejemplo práctico