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Contractor Gross Margin Calculator

Quote installation jobs with the gross margin you actually want—after discount and before sales tax.

Calculadora de margen bruto para instalaciones: precio, descuento, impuesto y utilidad real.

← All Multitec tools / Todas las herramientas

Calculate a selling price / Calcule su precio de venta

Enter costs and percentages. The page calculates locally in your browser; no data is sent to a server. / Los cálculos se realizan en su navegador.

Quote before discount / Precio antes del descuento
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Customer total with tax / Total con impuesto
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Gross profit before tax / Utilidad bruta
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Breakdown / Desglose

Total job cost / Costo total—
List price / Precio de lista—
Discount amount / Descuento—
Net sale before tax / Venta sin impuesto—
Sales tax / ISV—
Actual gross margin / Margen bruto real—
Markup on cost / Recargo sobre costo—

Amounts use your own currency (HNL, USD, etc.). Taxes are shown separately; check local tax law and exemptions. / Utilice la moneda de su elección; verifique el tratamiento fiscal aplicable.

Margin is not markup / Margen no es recargo

Gross margin = (net selling price − job cost) ÷ net selling price. Markup = (net selling price − job cost) ÷ job cost.

Si el costo es 1,000 y desea 40% de margen bruto, debe vender por 1,666.67 antes de impuestos y descuentos. Sumar simplemente 40% al costo daría 1,400 y un margen de solo 28.57%.

With a 10% customer discount, quote 1,851.85 so the discounted sale remains approximately 1,666.67. At 15% sales tax, the final total is approximately 1,916.67. Rounding may change the last cent.

This is a planning calculator, not accounting, legal or tax advice. Gross profit excludes business-wide costs not entered above, processing fees, warranty claims and income tax. / No sustituye asesoría contable ni tributaria.

Need itemized quotes and client-ready documents?

Contractor Quote Pro adds multiple line items, cost and margin tracking, discounts and printable estimates. Or explore the 26-tool Technical Contractor Toolkit.

Contractor Quote Pro permite partidas múltiples, costos, margen, descuentos y cotizaciones imprimibles. También está disponible el paquete de 26 herramientas.

See Contractor Quote Pro / Ver cotizador Explore full toolkit / Ver paquete

License requests are by email; no automatic online checkout. / Solicitudes por correo; no hay cobro automático.