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 |
|---|
| Subtotal (after discounts) | 0.00 |
|---|---|
| Total discount saved | 0.00 |
| Tax amount | 0.00 |
| Grand total | 0.00 |
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.
Frequently Asked Questions (FAQ)
How do I use the invoice discount calculator?
Add a row for each item, then enter its name, quantity, unit price and discount percent. Set the overall tax percent once. The tool recalculates subtotal, discount saved, tax and grand total live as you type.
Can each item have a different discount?
Yes. Every line item has its own discount percent field, so you can give each item a different discount while the tool keeps the total discount saved separately.
How is the tax applied?
Tax is applied on the subtotal after discounts, which is the standard way invoices are calculated. Enter any tax percent, including zero for tax-free invoices.
Is this invoice calculator free?
Yes, it is free with no signup. All calculations run in your browser and nothing is uploaded anywhere.