Invoice Discount Calculator
Build an invoice with per-item discounts. Add rows, enter quantity, unit price and discount percent for each line, then set one overall tax percent. Every total updates live as you type.
| Item | Qty | Unit price | Discount % | Line total |
|---|
%
Tax is applied on the subtotal after all line discounts.
| Subtotal (after discounts) | 0.00 |
|---|---|
| Total discount saved | 0.00 |
| Tax amount | 0.00 |
| Grand total | 0.00 |
Line total = qty × unit price × (1 − discount%). Subtotal is the sum of line totals; tax is added on the subtotal.
How to use
- Click Add item to create a row for each product or service.
- Enter the item name, quantity, unit price and its discount percent (0–100).
- Set the overall tax % once for the whole invoice, and optionally change the currency symbol.
- Subtotal, discount saved, tax and grand total update live. Use Print for a clean copy.