Useful before the invoice is ever sent
Free invoice calculators and planners for freelancers and service teams.
These tools are built around the same real problems InvoiceAgent solves: due dates, tax totals, recurring schedules, and turning pricing into clean invoice numbers.
Free
7
targeted invoice tools
Built for
consultants, agencies, freelancers
Next step
schedule the real invoice
Dates and payment terms
Due Date Calculator
Calculate invoice due dates from an invoice date and payment terms, with optional weekend handling.
Invoice totals
Tax / VAT Calculator
Calculate subtotal, tax amount, and invoice total using a custom VAT or tax rate.
Freelance pricing
Freelance Rate Calculator
Turn an hourly rate and planned hours into an invoice subtotal, tax amount, and total.
Recurring invoicing
Recurring Date Planner
Plan monthly invoice send dates and see what happens when the selected day lands on a weekend.
Recurring invoicing
Currency Converter
Estimate what an invoice total looks like in a target currency using a custom exchange rate.
Dates and payment terms
Invoice Number Planner
Plan the next invoice numbers in a sequence so recurring invoices and manual numbering stay organized.
Freelance pricing
Retainer vs Hourly
Compare an hourly billing total against a fixed monthly retainer to see which invoice amount makes more sense.
When you are done calculating, InvoiceAgent can handle the sending.
Draft the invoice, preview the email, lock in the send date, and let the latest FX rate get applied when the invoice actually goes out.