Invoice Age Calculator 📅

Find out how overdue an invoice is and what action to take next. Free — no sign-up required.

Invoice date

Payment due date

Invoice amount (optional)

📬 Recommended follow-up timeline

😊

Day 3: Friendly reminder

📧

Day 7: Clear follow-up — reference invoice number, request payment date

⚠️

Day 14: Formal notice — mention interest / late fees if applicable

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Day 30: Final notice — specify 7-day deadline before debt collection

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Day 45+: Escalate to debt collection or small claims court

Chaser automatically sends the right reminder at the right time — Day 3, 7, 14, and 30. You just get paid.