Quote to Invoice Calculator

Create professional quotes that convert seamlessly into invoices. This prompt pack guides ChatGPT to build a neat estimator and invoice calculator in Google Sheets or Excel.

- Estimator table with item, description, quantity, rate, subtotal, tax and total.
- Formulas for line totals, subtotal, tax, and grand total.
- Data validation for common services.
- Printable quote layout driven by the estimator table.
- Instructions to duplicate the sheet per client.
- Excel and Google Sheets formula versions.

Customer Reviews
★★★★★ — "Quick and accurate estimates. I was able to generate a professional quote in minutes!" — M. Harris
★★★★★ — "The formulas and layout make invoicing so easy. A must-have for consultants." — G. Patel