Revenue

What is Cash Conversion Cycle?

Cash Conversion Cycle is the number of days it takes a company to convert money spent on inventory and operations back into cash from sales. It combines days of inventory outstanding, days sales outstanding, and days payable outstanding into one measure of how efficiently a business turns spending back into collected cash.

TL;DR

Cash Conversion Cycle measures how many days it takes a company to turn money spent on inventory and operations back into collected cash from customers.

Formula

Cash Conversion Cycle = Days Inventory Outstanding + Days Sales Outstanding - Days Payable Outstanding

Why It Matters

Cash Conversion Cycle matters because a profitable business on paper can still run into serious cash problems if that cycle is too long, since money spent on inventory or operations is effectively locked up until it eventually converts back into collected cash from a customer. A shorter cycle means a business needs less working capital to sustain the same level of operations, freeing up cash for other uses like growth investment or simply providing a bigger buffer against unexpected slowdowns. Businesses with physical inventory, like ecommerce and retail, tend to watch this metric closely since inventory sitting unsold is a direct drag on the cycle, while a pure services or SaaS business often has a much shorter, simpler version of this cycle since there's no physical inventory involved at all. Tracking the trend over time, rather than a single snapshot, reveals whether operational efficiency is genuinely improving or quietly deteriorating.

Example

A retailer holds inventory for an average of 45 days before selling it, collects payment from customers an average of 20 days after the sale, and pays its own suppliers an average of 30 days after receiving inventory. Cash Conversion Cycle is 45 plus 20 minus 30, which equals 35 days, meaning the company's cash is tied up for 35 days on average between spending on inventory and collecting payment from customers.

Frequently Asked Questions

  • Generally yes, since it means less working capital is tied up and cash is available sooner for other uses, though an unusually short cycle achieved by squeezing suppliers too aggressively on payment terms can strain those supplier relationships.

  • Days sales of inventory is one of the three components that make up the cash conversion cycle, specifically measuring how long inventory sits before being sold, alongside days sales outstanding and days payable outstanding.

  • Yes, and it's a strong sign of operational efficiency. A negative cycle means a company collects payment from customers before it has to pay its own suppliers, effectively letting the business operate using its suppliers' money rather than its own.

  • Rapid growth often means holding more inventory to meet rising demand and potentially extending more generous payment terms to win new customers, both of which can lengthen the cycle even while the underlying business is healthy and growing.

  • It applies less directly, since SaaS businesses typically don't hold physical inventory, but the underlying concept, how quickly spending converts back into collected cash, still matters for understanding working capital needs, even in a simplified form.