Free calculators and document tools for contractors
Free calculators and document tools for contractors and small service businesses. Each calculator shows its formula and a worked example, so you can check the number yourself. The document tools make an estimate, a receipt, a credit note or a change order that downloads as a PDF. None of them needs an account.
Calculators
Pricing math for a bid, with the formula on the page.
- Painting Estimate CalculatorFree interior painting estimate calculator. Square footage, coats and your hourly rate in, labor hours, gallons and a bid price out.
- Lawn Mowing Bid CalculatorFree lawn mowing bid calculator. Lawn size, mower and your hourly rate in, price per cut, monthly price and season contract value out.
- House Cleaning Estimate CalculatorFree house cleaning estimate calculator for cleaning businesses. Home size, rooms and clean type in, labor hours and a price per visit out.
- Markup CalculatorFree markup calculator for contractors and small businesses. Turn cost and markup into price and margin, or work backward from a target margin. Embeddable.
- Labor Rate CalculatorFree hourly rate calculator for contractors and freelancers. Target pay, overhead and honest billable hours in, your break-even and billing rate out.
Document generators and templates
Fill in the form and download a PDF.
- Free Invoice GeneratorFree invoice generator with AI. Describe the work, download a professional PDF. No signup, no watermark, no caps.
- Free Change Order Template and FormFree change order template for contractors. Download a blank printable PDF form with the change, its price, the new total, and signature lines.
- Credit Note TemplateFree credit note template. Issue a professional credit memo PDF for refunds, returns, or corrections. Download free, no signup.
- Estimate TemplateFree estimate template and estimate generator. Build a professional estimate, download the PDF, and convert it to an invoice when the job lands. No signup.
- Free Printable Invoice and Estimate FormsFree printable invoice, estimate, proposal, and change order forms. Blank letter-size PDFs to download, print, and fill in by hand. No signup.
- Proforma Invoice TemplateFree proforma invoice template. Create a professional proforma PDF for prepayment or customs in seconds. Download free, no signup.
- Receipt GeneratorFree receipt generator. Make a professional receipt PDF for any payment in seconds. Download free, no signup, no watermark.
Price list templates
A printable list of what you charge, with typical rates to start from.
- Photography Price List TemplateFree photography pricing guide template. Edit the packages and prices, add your studio name, then print or save a clean one-page PDF. No signup.
- Cleaning Price List TemplateFree house cleaning services price list template. Edit the services and prices, add your business name, then print or save a one-page PDF. No signup.
Also on Numulo: Free invoice, estimate and proposal templates by trade ยท Guides for contractors: sales tax on labor and what to charge.