Definition
DPO estimates how many days, on average, you take to pay suppliers. Higher DPO can improve short-term cash timing, but it can also strain vendor relationships.
Formula
DPO ~ accounts payable / (COGS per day)
Example
If accounts payable is $300k and COGS is $3.6M per year ($9,863 per day), DPO is about 30 days.
How to use it
- Negotiate longer terms when appropriate, but protect reliability and trust with key vendors.
- Match payment terms to your collections cycle to reduce cash stress.
- Track DPO alongside DSO and DIO to monitor the cash conversion cycle.
- Watch for early-pay discounts that can outperform holding cash.
Common mistakes
- Pushing terms too far and creating hidden costs (supply risk, penalties, lower service levels).
- Comparing DPO across periods without adjusting for seasonality in COGS.
Measured as
DPO ~ accounts payable / (COGS per day)
Misused when
- Pushing terms too far and creating hidden costs (supply risk, penalties, lower service levels).
- Comparing DPO across periods without adjusting for seasonality in COGS.
Operator takeaway
- Negotiate longer terms when appropriate, but protect reliability and trust with key vendors.
- Match payment terms to your collections cycle to reduce cash stress.
- Track DPO alongside DSO and DIO to monitor the cash conversion cycle.
- Tie Days Payables Outstanding (DPO) to the same balance-sheet date, scenario, and decision memo you are using elsewhere in the model.
- Document which claims, costs, or adjustments your team includes before comparing numbers across forecasts, covenants, or valuation work.
Next decision
- Read Cash conversion cycle: turn working capital into runway if the decision depends on interpretation, policy, or trade-offs beyond the raw formula.
- Decide whether Days Payables Outstanding (DPO) belongs in cash planning, valuation, or debt monitoring so the number is used in the right model.
Where to use this on MetricKit
Guides
- Cash conversion cycle: turn working capital into runway: A practical guide to the cash conversion cycle (CCC): how AR/AP timing changes cash, how to reduce days outstanding, and why runway depends on working capital.