Cash Is a Choice: How DSO, DPO, and Inventory Quietly Fund or Starve Your Growth

Insights
June 5, 2026
4 min read

Most companies treat working capital as an accounting outcome, something the close produces. The best companies treat it as a choice. Every day you wait to collect a receivable, every day of inventory you hold, and every day you settle a payable early is a financing decision you are making, usually without deciding it on purpose. Get deliberate about those three numbers and you run on your own balance sheet instead of the bank's.

What is the cash conversion cycle?

The cash conversion cycle measures how long a dollar is tied up in operations before it comes back as cash. It combines three components: days sales outstanding, which is how long customers take to pay you; days inventory outstanding, which is how long inventory sits before it sells; and days payable outstanding, which is how long you take to pay suppliers. The formula is DSO plus DIO minus DPO. The lower the number, the less cash is trapped, and the more self-funding the business becomes.

Why the spread between leaders and laggards is widening

The aggregate US cash conversion cycle sits near 37 days, and it improved modestly in the most recent year, led by gains in payables. But the headline hides a widening spread. Days payable outstanding rebounded to around 59 days while days sales outstanding and days inventory outstanding actually worsened. In other words, companies got better at paying late and worse at collecting and at managing inventory. The gap between disciplined operators and everyone else is growing, and it is visible in operating cash flow, which improved to roughly 16 percent of revenue as practices tightened.

Why you pull all three levers together

Working the cash conversion cycle one component at a time tends to backfire. Stretch payables too far and you damage supplier relationships and pricing. Squeeze inventory without fixing demand planning and you create stockouts. Push collections without aligning terms and you irritate good customers. The discipline is to move DSO, DIO, and DPO in concert, tied to sales and operations planning and to procurement, so the system improves rather than one number improving at another's expense.

The root cause: planning disconnected from cash

In most companies, the recurring source of trapped cash is a demand plan that is disconnected from supply and procurement. Sales forecasts one thing, operations builds another, procurement buys to a third number, and the gaps show up as excess inventory and stretched receivables. Reconnecting the planning process to the cash it consumes is the durable fix, and it is where the largest, most sustainable gains come from.

Why this is a CFO discipline, not a one-time cleanup

A working capital push can release cash quickly, but holding the gain requires routines and ownership. That is why the strongest results pair a cash sprint with embedded finance leadership that builds the cadence, owns the metrics, and keeps the discipline after the initial push. Cash that is released and then quietly creeps back is not a win. The goal is a permanently lower cash conversion cycle.

Key takeaways

• The cash conversion cycle is DSO plus DIO minus DPO; lower means less trapped cash.

• The US aggregate sits near 37 days, but the spread between leaders and laggards is widening.

• Pull DSO, DIO, and DPO together; moving one in isolation usually backfires.

• Demand planning disconnected from supply and procurement is the recurring root cause.

• Pair a cash sprint with embedded finance leadership to hold the gain.

Make cash a deliberate choice

Quadrillion helps CFOs treat the cash conversion cycle as a lever they control, with a 90-day sprint to release trapped cash and interim finance leadership to lock in the discipline. Stop financing growth at the bank's price when your own balance sheet will do it for free. Let us baseline your cycle and set the target.

About Quadrillion Partners

Quadrillion Partners is an operator-led performance improvement firm. We deploy former CxO operators to deliver measurable EBITDA, cash, and enterprise value in 90 days, not 18 months. More than $1.2 billion in enterprise value delivered since 2012.

Plan. Operating, strategic, and value creation plans built by operators who have owned the AOP. In market in 60 to 90 days, ready for the board, sponsors, and lenders.

Execute. 90 to 180 day sprints against the single constraint limiting performance: digital and AI, go-to-market, throughput, or working capital. Success fees aligned to the EBITDA we deliver.

Embed. Interim CFO, CTO, Chief Transformation Officer, and FP&A leadership through the inflection: pre-sale prep, post-close integration, or a leadership gap. We hire your permanent successor before we step out.

Contact George Stelling, Managing Partner and CEO

Email: gstelling@quadrillionpartners.com   |   Phone: +1 650 678 1887

Web: www.quadrillionpartners.com