Create professional project cost estimates. Download as PDF. No account required.
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InvoiceHub's estimate generator is designed for contractors, tradespeople, and service providers who need to give clients a rough cost breakdown before committing to a fixed price. Unlike a quote, an estimate is understood to be approximate — it communicates your expected pricing while allowing for real-world variation in materials, labor, and scope.
Our estimate maker includes a contingency percentage field — a best practice in construction and project management that adds a buffer for unexpected costs. Set your contingency at 10–15% to protect your margins while giving clients realistic expectations.
When writing a project estimate, break down costs by category (labor, materials, equipment) rather than providing a single lump sum. This builds client confidence and makes it easier to negotiate specific line items. Always include a contingency buffer — typically 10–15% — and clearly state that the estimate is approximate. Once your client approves the estimate, use our quote generator to issue a more formal, binding price, or go directly to an invoice when the work is complete.