Free business tools
Calculators for invoicing and freelance work. They run in your browser; nothing you type is sent anywhere.
Late fee calculator
Calculate the late fee on an unpaid invoice. Flat-fee or percentage-based, per-month or per-day.
Calculate late fees →
Invoice due date calculator
Compute the due date from any issue date and payment terms: Net 7 / 15 / 30 / 45 / 60 / 90, end-of-month, or due on receipt.
Calculate due date →
VAT calculator
Add or remove VAT at any rate, with country presets for UK, Ireland, Germany, France, Spain, Italy, AU, NZ, Canada, and Singapore.
Calculate VAT →
Freelance hourly rate calculator
Compute your true freelance hourly rate after self-employment tax, benefits, and the reality of non-billable hours.
Calculate hourly rate →
Put the number on an invoice
Late fee, due date, VAT or your rate: the invoice editor takes it from here.
Create an invoice