Free calculators for contractors
Quick sums for the paperwork of a job. No account needed, and nothing you type leaves your browser.
Paint coverage calculator
Work out how many gallons of paint a job needs from the room sizes, doors and windows, coats and the coverage on the can. Free, with walls and ceilings apart.
Open the calculatorQuote total with tax calculator
Add sales tax to a quote, then see the total, the deposit and the balance due. Enter a subtotal and a tax rate, and a deposit as a percentage or fixed amount.
Open the calculatorMarkup and margin calculator
Turn a cost into a price with a markup or a margin, or find the markup and margin of a price you already charge. See the profit in dollars. Free.
Open the calculator
Looking for a form to print or some advice? See the free templates and the guides.