What is Average Collection Period?
The Average Collection Period (ACP), also known as Days Sales Outstanding (DSO) or Receivables Collection Period, measures the average number of days it takes a company to collect payment after a credit sale is made. It's a critical metric for understanding cash flow efficiency and the effectiveness of a company's credit and collection policies.
A shorter collection period means faster cash conversion, better liquidity, and lower risk of bad debts. Conversely, a longer collection period ties up working capital and may indicate collection problems or overly generous credit terms.
Why Average Collection Period Matters
- Cash Flow Management: Determines how quickly you can convert sales into cash
- Working Capital: Affects how much capital is tied up in receivables
- Credit Policy Evaluation: Measures effectiveness of credit terms and collection efforts
- Financial Health: Indicator of overall business liquidity and efficiency
- Investor Analysis: Used by investors to assess operational efficiency
How to Calculate Average Collection Period
There are two common formulas for calculating the average collection period:
Formula 1: Direct Method
Formula 2: Using Receivables Turnover
Where: Receivables Turnover = Net Credit Sales / Average Accounts Receivable
Company XYZ has:
- Accounts Receivable: $150,000
- Annual Net Credit Sales: $1,200,000
- Period: 365 days
ACP = ($150,000 / $1,200,000) × 365 = 45.6 days
This means it takes an average of 45.6 days to collect payment from customers.
Understanding Your Results
Below Payment Terms
Excellent collection efficiency
ACP < Payment TermsNear Payment Terms
Acceptable performance
ACP ≈ Payment TermsAbove Payment Terms
Collection issues likely
ACP > Payment TermsReceivables Turnover Ratio
The Receivables Turnover Ratio is closely related to ACP and measures how many times a company collects its average receivables during a period:
A higher turnover ratio indicates more efficient collection, while a lower ratio suggests slower collections. The relationship between ACP and turnover is inverse - as turnover increases, ACP decreases.
| Turnover Ratio | Average Collection Period | Interpretation |
|---|---|---|
| 12x or higher | 30 days or less | Excellent collections |
| 8-12x | 30-45 days | Good performance |
| 6-8x | 45-60 days | Average |
| 4-6x | 60-90 days | Below average |
| Below 4x | 90+ days | Poor - needs attention |
Impact on Cash Flow
The average collection period directly impacts your business's cash flow cycle. Here's how a typical cash conversion cycle works:
Factors Affecting Collection Period
Internal Factors
- Credit Policy: Stricter credit standards reduce ACP but may limit sales
- Invoice Accuracy: Errors delay payments; clear invoices accelerate collection
- Collection Efforts: Proactive follow-up reduces outstanding days
- Payment Options: More payment methods can speed up collections
- Customer Relationships: Strong relationships encourage timely payments
External Factors
- Industry Norms: Some industries have longer standard payment cycles
- Economic Conditions: Recessions often extend collection periods
- Customer Financial Health: Struggling customers pay slower
- Competitive Pressure: Competitors offering longer terms may force you to match
Strategies to Reduce Collection Period
1. Establish Clear Credit Policies
Define credit terms, approval criteria, and credit limits before extending credit. Communicate these policies clearly to all customers at the start of the relationship.
2. Invoice Promptly and Accurately
Send invoices immediately after delivery of goods or services. Ensure invoices are accurate, detailed, and include all payment information to prevent delays from disputes or confusion.
3. Offer Early Payment Discounts
Incentivize faster payment with discounts like "2/10 Net 30" (2% discount if paid within 10 days, full amount due in 30 days). Calculate whether the cost of discount is less than your cost of capital.
2/10 Net 30 = 2% discount for paying 20 days early
Annualized cost = (2% / 98%) × (365 / 20) = 37.2% APR
This is effectively a 37.2% interest rate, so only offer if your cost of capital is high.
4. Implement Systematic Follow-up
Create an automated reminder system:
- Reminder 7 days before due date
- Reminder on due date
- Follow-up 7 days past due
- Phone call 14 days past due
- Escalation 30+ days past due
5. Accept Multiple Payment Methods
Make it easy for customers to pay by accepting credit cards, ACH transfers, online payments, and other convenient methods. The easier you make payment, the faster you'll receive it.
6. Review and Adjust Credit Terms
Regularly review customer payment history and adjust credit terms accordingly. Customers with poor payment records may need shorter terms or cash-only transactions.
7. Use Technology
Implement accounts receivable software that automates invoicing, tracks payments, sends reminders, and provides aging reports. This reduces manual effort and improves collection efficiency.
ACP and Working Capital
The average collection period directly affects working capital requirements. A longer ACP means more money tied up in receivables, requiring additional financing:
If Daily Sales = $3,288 and ACP = 45 days
Working Capital = $3,288 × 45 = $147,960
Reducing ACP by just 10 days could free up significant working capital. Using the example above:
Reduction from 45 to 35 days = $3,288 × 10 = $32,880 freed up
Comparing ACP Over Time
Track your ACP monthly or quarterly to identify trends:
- Increasing ACP: May indicate collection problems, economic issues, or changes in customer mix
- Decreasing ACP: Shows improvement in collection efficiency
- Stable ACP: Consistent performance, but look for improvement opportunities
Frequently Asked Questions
What is a good average collection period?
A "good" ACP depends on your industry and payment terms. Generally, you want ACP to be at or below your stated payment terms. If you offer Net 30 terms, an ACP of 30 days or less is excellent. An ACP of 45-60 days is typical for many B2B businesses.
Should I use average or ending accounts receivable?
For annual calculations, using average AR (beginning + ending / 2) provides a more accurate picture. For shorter periods, ending AR is acceptable. Consistency in your approach is most important for trend analysis.
How often should I calculate ACP?
Monthly calculation is ideal for active management. At minimum, calculate quarterly to identify trends. Include ACP in your regular financial dashboard alongside other key metrics.
What if my ACP is longer than my payment terms?
This is common but not ideal. It indicates customers are consistently paying late. Review your collection processes, consider adjusting credit policies, or implement early payment incentives.
Does ACP include cash sales?
No. ACP should only include credit sales since cash sales have no collection period. Using total sales instead of credit sales would understate your true ACP.
Conclusion
The average collection period is a vital metric for managing cash flow and assessing your credit and collection effectiveness. By calculating and monitoring your ACP, you can identify collection issues early, optimize working capital, and improve overall business liquidity. Use our calculator above to determine your current collection period and compare it against industry benchmarks and your payment terms to identify improvement opportunities.