Invoice math vs rate setting
This tool is for invoice totals (what to bill). For hourly/day rate setting, use the Freelance rate calculator. Pair with FeeLab when card fees matter.
Nine tools on this page
- Single invoice — subtotal → discount → tax → fees → net.
- Line items — up to five qty × unit lines, same stack.
- Reverse net — how much to invoice so you keep X.
- Summary — totals at a glance.
- Deposit split — total × deposit % → due now vs balance (optional fee on deposit).
- Payment plan — total (+ optional fee) ÷ N equal installments.
- Late fee — balance × (monthly % ÷ 30) × days late.
- Tip / gratuity — subtotal × tip % → tip and grand total.
- Remaining — invoice total − paid.
- + Tax — subtotal × tax % → total.
Rules of thumb
- Tax usually sits on discounted subtotal (confirm local rules).
- Processor fees often hit the charged total, not just the pre-tax amount.
- Reverse charge / exempt work needs human judgment — not modeled here.
- Educational only — not accounting or tax advice.
Popular searches this tool answers
- Invoice total with VAT calculator
- How much to invoice after fees
- Line item invoice calculator free
- Amount to charge so net equals X
- Invoice discount then tax
FAQ
How do I calculate an invoice total with tax?
Start from subtotal, subtract discount %, add tax/VAT on the discounted amount, then optional processor % + fixed fee.
How do I invoice so I keep a target net?
Use Reverse net. It backs into the pre-tax amount under your tax and fee rates.
Is this tax or accounting software?
No. Simple browser math. Local VAT/sales-tax rules can differ.
Is my data private?
Yes. All math runs in your browser.
How do I invoice so I still net X after fees?
Use reverse net: enter target net plus tax and processing assumptions. It estimates the invoice total to aim for.
Can I do multi-currency invoices?
Amounts are labeled in your selected display currency. There is no live FX conversion — use your own rate if billing another currency.
Should tax apply before or after a discount?
Depends on your local rules and invoice setup. Match the order your accounting tool uses; wrong order changes tax and the customer total.
How do processing fees affect what I should invoice?
If the client’s payment method takes a cut, reverse-net helps you raise the invoice so take-home still hits your target after fees.
Can I show tax-inclusive and tax-exclusive totals?
Use the tax fields to match how you bill. If prices are tax-inclusive, set inputs the same way your accounting tool expects so totals reconcile.
What if a client pays late — does this help?
It does not age receivables. It only builds the invoice math. For cash planning, track due dates separately after you send the invoice.