Invoice Calculator
Calculate a complete invoice total with discount, tax, shipping, amount paid, and remaining balance.
▤ Billing & Invoicing
🔒 Browser-only calculationCalculate Invoice
Calculate invoice subtotal, discount, tax, shipping, grand total, amount paid, and balance due.
Result
—result
Formula
Invoice total = discounted subtotal + tax + shipping. Balance due = invoice total − amount paid.
How to Use This Calculator
- Enter the subtotal of goods or services.
- Apply an optional discount.
- Enter the tax rate and shipping or other charges.
- Enter any payment already received and calculate the balance.
Business and Office Uses
- Check invoice totals.
- Prepare quotations and billing drafts.
- Calculate deposits and outstanding balances.
Frequently Asked Questions
What does the Invoice Calculator calculate?
Calculate invoice subtotal, discount, tax, shipping, grand total, amount paid, and balance due.
Is calculation data uploaded?
No. Inputs and results are calculated inside the browser. Saved field values use local browser storage and are not uploaded to OfficeCalculator.Net.