Cash Conversion Cycle Calculator
How many days does it take your business to turn inventory into cash? Calculate CCC from DSO, DIO, and DPO, visualize the operating cycle, or model improvements to free working capital. Works with any currency.
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How to Use This Calculator
Tab "Calculate CCC"
Enter your DSO (Days Sales Outstanding), DIO (Days Inventory Outstanding), and DPO (Days Payable Outstanding) directly, or switch to "Calculate from financial data" to derive them from your balance sheet figures (AR, inventory, AP, revenue, COGS). The calculator shows your CCC in days and the total working capital tied up in the cycle.
Tab "Timeline Visual"
Enter DSO, DIO, and DPO to see a visual timeline of your operating cycle. Day 0 is when you purchase inventory. The chart shows when inventory is sold (Day DIO), when cash is collected (Day DIO + DSO), and when suppliers are paid (Day DPO). The gap between collection and supplier payment is your cash conversion cycle.
Tab "Improve CCC"
Enter your current DSO, DIO, and DPO alongside target values. The calculator shows how many days of improvement you achieve and converts that into working capital freed. For example, reducing DSO by 5 days on $10M revenue frees approximately $137,000 in working capital.
The Formulas
CCC = DSO + DIO − DPO
Days Sales Outstanding (DSO):
DSO = (Accounts Receivable / Revenue) × 365
Days Inventory Outstanding (DIO):
DIO = (Inventory / Cost of Goods Sold) × 365
Days Payable Outstanding (DPO):
DPO = (Accounts Payable / Cost of Goods Sold) × 365
Working Capital Tied Up:
Working Capital = (CCC / 365) × Annual Revenue
Capital Freed from Improvement:
Capital Freed = (Old CCC − New CCC) × (Revenue / 365)
All calculations are universal. For quarterly data, replace 365 with 90. Results are estimates based on average balances.
Worked Examples
Example 1 — Manufacturing company: CCC = 75 days
A manufacturer has DSO of 45 days (customers pay in 45 days), DIO of 60 days (inventory sits for 2 months), and DPO of 30 days (pays suppliers in 30 days). Annual revenue is $10 million.
This company has $2.05 million in cash tied up in its operating cycle. Reducing CCC by even 10 days would free about $274,000.
Example 2 — Amazon-style: CCC = −30 days
A large e-commerce company collects payment in 20 days (credit card processing), holds inventory for 30 days, but negotiates 80-day payment terms with suppliers.
With a negative CCC, this company collects cash from customers 30 days before paying suppliers. Suppliers are effectively financing the company's operations — a powerful competitive advantage.
Example 3 — Calculating from balance sheet data
A company has AR of $1,250,000, inventory of $800,000, AP of $500,000, annual revenue of $10,000,000, and COGS of $6,000,000.
The company ties up cash for about 64 days in its operating cycle. This approach works for any company with publicly available financial statements.
Understanding Cash Conversion Cycle
What Is CCC?
The Cash Conversion Cycle measures the time between spending cash on inventory and receiving cash from customers. It is the single best metric for understanding how efficiently a business manages its working capital. A shorter CCC means less cash is locked in operations, giving the business more flexibility to invest, grow, or weather downturns.
The Three Components
DSO (Days Sales Outstanding) measures how long it takes to collect payment after a sale. Lower is better — it means customers pay faster. DIO (Days Inventory Outstanding) measures how long inventory sits before being sold. Lower means faster inventory turnover. DPO (Days Payable Outstanding) measures how long you take to pay suppliers. Higher is better (from your cash flow perspective), but must be balanced against supplier relationships.
Why CCC Matters
Every day of CCC improvement frees working capital equal to one day of revenue divided by 365. For a $10 million business, each day freed equals about $27,400. A company with a 90-day CCC has $2.47 million tied up in operations; reducing it to 60 days frees $822,000 that can be used for growth, debt reduction, or investment. CCC is especially important for growing businesses, where increasing revenue means increasing the absolute cash tied up in the cycle.
Industry Benchmarks
CCC varies significantly by industry. Retail: 20–40 days (fast inventory turns, low AR). Manufacturing: 60–90 days (raw materials + WIP + finished goods). Software/Services: 0–30 days (no inventory, but can have high AR). E-commerce giants: negative CCC (collect before paying suppliers). Compare against your industry peers and track the trend over time.
The Amazon Insight
Amazon operates with a CCC of approximately −30 days. They achieve this by collecting payment from customers almost instantly (credit/debit cards process in 1–3 days), maintaining efficient inventory turns (DIO around 30 days), and negotiating extended payment terms with suppliers (DPO around 80 days). This means Amazon's suppliers effectively provide interest-free financing — a structural advantage worth billions in annual free cash flow.