Calculate invoice totals including line items, discounts and tax. Add your items, choose a discount and tax rate to get the subtotal, discount, tax and final total.
Add a row for each line item with its price and quantity. Then choose a discount (percentage or fixed amount) and a tax rate. The calculator returns the subtotal, discount amount, tax amount and final invoice total.
No saved calculations yet.
An invoice calculator totals a list of line items, applies a discount (as a percentage or fixed amount), then adds tax to reach the final amount due — ideal for quick quotes and billing checks.
After. Tax is calculated on the discounted subtotal, which is the usual convention for net-of-discount invoicing.
No — a fixed-amount discount is capped at the subtotal so the discounted amount never goes negative.