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Cash Conversion Cycle Calculator for Manufacturers

The cash conversion cycle (CCC) tells you how many days your cash is locked up between paying suppliers and collecting from customers. It is the one number that links inventory, receivables and payables, which is why controllers and operations managers both watch it.

Your numbers

Annual revenue

Trailing twelve months net sales from the income statement.

Annual cost of goods sold

Trailing twelve months COGS, including absorbed overhead.

Average inventory

Raw material, WIP and finished goods at cost. Use a 12-month average if you can.

Average trade receivables

Open customer invoices from the AR subledger.

Average trade payables

Open vendor invoices from the AP subledger.

Days in period

Target days inventory

60 days

Used for the what-if sweep and cash release estimate.

Your results

Cash conversion cycle

90.0423

Days between paying for inputs and collecting cash from the customer.

Cash released at target DIO

$2,210,959

Cash freed if inventory days fall to the target and nothing else moves.

Days inventory outstanding (DIO)

83.7353

Average days stock sits before it is sold.

Days sales outstanding (DSO)

52.4687

Average days to collect after invoicing.

Days payables outstanding (DPO)

46.1618

Average days you take to pay vendors.

Cash tied up in the cycle

$10,400,000

Net working capital from the three trade accounts.

Uses period-average balances you enter. Year-end balances can overstate or understate the cycle for seasonal businesses.

Save results:

Cash conversion cycle vs target days inventory

Sweeps Target days inventory from 10 to 180, holding your other inputs fixed.

Automate the cash cycle from ERP data

Optional: we can show how DIO, DSO and DPO could refresh from your ERP without manual exports.

Optional. The tool and every export work without this. No spam.

How to use the calculator

Pull annual revenue and COGS from the income statement, then average inventory, receivables and payables from the balance sheet. Averages across 12 month-ends are better than a single year-end figure. Enter a target DIO to see what a leaner inventory would release in cash. The chart sweeps that target so you can see how every 10 days of inventory translates into dollars.

Use net sales, not gross, for DSO
Use COGS, not sales, as the base for DIO and DPO
Keep the same day count for all three ratios

The formula behind it

DIO = inventory / COGS x days. DSO = receivables / revenue x days. DPO = payables / COGS x days. CCC = DIO + DSO - DPO. A negative CCC means suppliers fund your operation, which is common in distribution and rare in make-to-order manufacturing. Cash released is the DIO gap multiplied by daily COGS, since each day of inventory costs one day of cost of goods sold.

How to read the result

A discrete manufacturer with a 90 to 130 day cycle is not unusual, because WIP and raw material dominate. Compare against your own trend and a few peers rather than a single benchmark. If DIO is the largest term, start with excess and slow-moving stock. If DSO is high, check for billing delays and disputed invoices. If DPO is low, review payment terms before stretching vendors, since late payment can cost you supply priority.

Common mistakes and ERP notes

The most frequent error is mixing bases, for example dividing inventory by sales. Another is including intercompany balances or non-trade payables. In most ERPs the inputs come from inventory valuation reports, AR aging and AP aging as of the same cut-off date. Reconcile each to the general ledger before trusting the result.

Exclude customer deposits and unbilled WIP from DSO unless you are consistent
Include only trade payables in DPO
Run it by plant or business unit for actionable insight

Frequently Asked Questions

What is a good cash conversion cycle for a manufacturer?

There is no single good number. Make-to-stock and process manufacturers often run 60 to 100 days, while long-lead make-to-order shops can exceed 120. The useful measure is your own trend by plant and how it compares with direct peers. A shrinking cycle at the same growth rate means you are funding growth with less cash.

Should DIO use COGS or sales?

Use COGS. Inventory is carried at cost, so dividing by sales understates days on hand. Some analysts use sales for all three ratios to keep a common base, which is acceptable if you stay consistent, but the COGS basis is the standard definition for DIO and DPO.

Can the cash conversion cycle be negative?

Yes. If payables days exceed inventory plus receivable days, the cycle is negative and supplier credit funds operations. It happens in retail and some distribution. In manufacturing it usually signals long payment terms, customer prepayments or very fast turns, so check that the inputs are right.

How often should I recalculate it?

Monthly is the norm, aligned to the close. Use trailing twelve month revenue and COGS with the average of recent month-end balances to avoid noise from a single large shipment or purchase.

If the inputs live in different reports every month, we can wire a read-only query over your ERP so the cycle refreshes itself and you can ask which items or customers drive it.

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