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Invoice Calculator

🧾 Invoice Builder & Calculator

Build a professional invoice, calculate totals with discount and tax, preview it live, and print a clean copy — all in your browser. No sign-up required.

Invoice Details

Client Name

Invoice #

Currency Symbol

Invoice Date

Due Date

Line Items

Description	Qty	Unit Price	Total

Notes / Payment Terms

Discount

Tax Rate (%)

Shipping / Other ($)

INVOICE

Invoice Date:

Due Date:

Bill To

Description	Qty	Unit Price	Total

Invoice Best Practices

✓ Always include a unique invoice number for tracking and accounting.
✓ Clearly state the due date and accepted payment methods.
✓ Itemize all services/products so clients understand exactly what they're paying for.
✓ Send invoices promptly — the sooner you invoice, the sooner you get paid.
✓ Include late payment fees or interest terms to encourage timely payment.

'Do I need to charge sales tax on invoices?','answer'=>'It depends on your location, business type, and the nature of the goods or services. Most US states require sales tax on physical goods; services may or may not be taxable. Always verify your local tax obligations and include the correct tax rate on applicable invoices.'], ]" />