Tool · /04
Invoice Calculator
Calculate totals across multiple line items with quantity, price, tax, and discount.
Quickly compute invoice totals. Add multiple line items with quantity and unit price, apply a tax percentage and an optional discount, and see subtotal, tax, and grand total update instantly.
FAQ
Does it support multiple currencies?
Yes — pick your currency at the top. Currency is purely a display choice; calculations are unitless.
Can I save invoices?
Not in this free tool. For invoice issuing and storage you need a full invoicing system — see our RMS project for a real example.
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