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Startup Money Math

Cash Conversion Cycle Calculator

Calculate cash conversion cycle from DIO, DSO, and DPO to estimate working-capital lockup pressure.

Cash Conversion Cycle Inputs

Measure working-capital cycle time using DIO, DSO, and DPO.

Decision Summary

Cash conversion cycle
52 days

CCC = days inventory outstanding + days sales outstanding - days payables outstanding.

Cash Conversion Timeline

Inventory and receivable days extend the cycle while payables finance part of it.

Inventory holding
38 days
Receivables collection
42 days
Supplier payment window
28 days
Day 0Day 80

Key Metrics

Working capital tied
$164,666.67
Inventory days
38 days
Receivable days
42 days
Payable days
28 days

How to use it

  1. Enter days inventory outstanding, days sales outstanding, days payables outstanding, and monthly COGS. Those three day counts describe how long cash is trapped in inventory and receivables before suppliers are actually paid.
  2. Read cash conversion cycle days and working capital tied up, along with the DIO, DSO, and DPO components. A CCC above 60 days is a common warning zone because it can create financing pressure even in profitable businesses, while a negative CCC means customers fund the cycle before suppliers are due.
  3. Use the component mix to decide where the real problem sits. If DSO is 45 days and DPO is only 20, collections are likely the biggest unlock; if DIO dominates, inventory discipline matters more than billing cleanup.
  4. Translate the working-capital figure into action by modeling what happens if you cut DSO by 5 days, DIO by 10 days, or extend DPO by 5 days. Then prioritize the lever that releases the most cash without damaging customers or suppliers.
  5. Re-run every month from close data and after any major receivables or inventory initiative. Track CCC and each sub-metric separately because a flat total can hide worsening collections masked by slower supplier payments.

AI Integrations

Contract, discovery endpoints, and developer notes for agent use.

Always available for agents

Tool contract JSON

https://aibizhub.io/contracts/cash-conversion-cycle-calculator.json

Stable input and output contract for this exact tool.

Human review

People can use the browser page to sense-check outputs and charts, but agents should still execute against the contract and discovery endpoints.

{
  "tool": "cash_conversion_cycle",
  "dio": 38,
  "dso": 42,
  "dpo": 28,
  "monthly_cogs": 95000
}
Expand developer notes

Agent playbook

  1. Resolve Cash Conversion Cycle Calculator from /agent-tools.json and open its contract before execution.
  2. Validate inputs against the contract schema instead of scraping labels from the page UI.
  3. Open the browser page only when a person wants to review charts, assumptions, or related tools.

Agent FAQ

Should ChatGPT, Claude, or another agent click through the UI?

No. Start with /agent-tools.json, then follow the tool's contract URL. The page UI is for human review, not parameter discovery.

When do tools show Quick and Advanced?

Every tool opens in Quick Start first. Advanced Controls keeps the same scenario, reveals more assumptions or diagnostics, and every tool keeps AI integrations inline below the instructions.

When should an agent still open the browser page?

Open it when a human wants to sense-check the output, review the chart, or keep exploring related tools after the calculation finishes.

Questions people usually ask
What is a healthy cash conversion cycle?

Lower is usually better because cash comes back faster, but the right number still depends on your industry, margin profile, and supplier relationships.

Can a cash conversion cycle be negative?

Yes. That can happen when you collect cash from customers before you need to pay suppliers, which can be a strong working-capital position.

Which lever usually matters most?

It depends on the business, but collections speed and inventory turns often unlock cash faster than teams expect.

Why does this matter if the company is profitable?

Because profitable companies can still feel cash-starved when money stays tied up in inventory or receivables for too long.

Is this tool free and private to use?

Yes. AI Biz Hub tools are free, no-signup browser tools. Inputs stay in your browser unless you choose to share a URL.

Is this professional advice?

No. Outputs are business planning estimates — not legal, tax, or accounting advice.

Related Resources

Learn the decision before you act

Every link here is tied directly to Cash Conversion Cycle Calculator. Use the explanation, formula, examples, and benchmarks to pressure-test the calculator output from first principles.

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Business planning estimates — not legal, tax, or accounting advice.