The bucket boundary
As of October 2, 2026, a balance due September 2 is exactly 30 days overdue and belongs in 1–30. A balance due September 1 is 31 days overdue and belongs in 31–60.
Receivables review
Free Invoice Aging Bucket Calculator
Build a small receivables snapshot from due dates and remaining balances. This is an aging view for three invoices, useful for deciding what to review next without treating every unpaid invoice as overdue.
What you can do here
Group three open invoice balances into current, 1–30, 31–60, 61–90, and 91+ day buckets as of a chosen date.
Built for real invoice workflows
Use the snapshot to review invoice statuses before setting your reminder actions.
Preparing your calculator with today’s date…
Calculation notes
How the result is calculated
Overdue days = snapshot date − due date, using UTC calendar dates. An invoice due today is current; tomorrow it is one day overdue. The tool groups remaining balances, not original totals, and totals all buckets. Three rows are a planning sample rather than a full ledger import.
Formulas and examples reviewed October 2, 2026. Illustrative figures; no tax or contractual determination.
After an installment
A USD 900 invoice with USD 300 confirmed against it contributes USD 600 to its age bucket. Entering USD 900 would overstate receivables by USD 300.
Questions about this calculation
Should I age by issue date?
This tool ages by due date. A 30-day payment term should not look 30 days overdue on the day it falls due. Use a consistently defined method when comparing reports.
Does the oldest bucket mean I should escalate?
No. Check the dispute status, promised payment date, client contact, and evidence first. The aging amount helps prioritize a review; it does not choose a collections action.
How to use it
1
Choose the snapshot date and one currency.
2
Enter each remaining balance and contractual due date; zero excludes an invoice.
3
Review disputes and payment promises before choosing a follow-up action.
Why it helps
Separate not-yet-due amounts from overdue balances.
Compare age bands using one consistent snapshot date.
Prioritize review without automatically escalating disputed invoices.
Next step
From free tool to live invoice workflow.
Use the result when creating your invoice in InvoiceAgent. Planner setup links carry the settings they describe into a draft. Review your dates, amounts, PDF, and reminder settings before scheduling.
Related workflows
Move from the quick answer into the rest of the invoice system.
Track invoice disputes
Track invoice disputes
Add context before chasing an old balance.
Handle a disputed invoice
Handle a disputed invoice
Assign an owner and resolve the disputed part.
Invoice templates
Invoice templates
Use the result inside invoice formats that are ready for clients and easier to automate.
Knowledge base
Knowledge base
Review the billing concepts behind the numbers before they go onto a live invoice.
Profession pages
Profession pages
See how freelancers, consultants, and agencies apply the same calculator output in different workflows.