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Finance Calc Kit
Business

Operations Ratios Calculator

Calculate key business operations ratios including inventory turnover, total asset turnover, average collection period, and equity multiplier.

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Inventory turnover (Period A)

5.00

COGS divided by inventory for Period A

RatioPeriod APeriod BChange
Inventory turnover
COGS / Inventory
5.005.50+10.00%
Total asset turnover
Sales / Total assets
2.002.20+10.00%
Average collection period
AR / (Annual sales / Days)
27.38 days27.38 days+0.00%
Equity multiplier
Total assets / Equity
2.502.50+0.00%
Report tool

Operations ratios for period-over-period analysis

Operations ratios track how efficiently a business uses inventory, assets, receivables, and equity capital. This calculator compares two reporting periods side by side so you can spot trends in working capital management and asset utilization.

Pair turnover metrics with profitability analysis using the net profit margin calculator and liquidity coverage with the operating cash flow ratio calculator. When evaluating minimum sales needed to cover fixed costs, use the break-even calculator alongside these efficiency ratios.

Key operations ratio formulas

Inventory turnover

Inventory Turnover=COGSInventory\text{Inventory Turnover} = \frac{\text{COGS}}{\text{Inventory}}

Higher turnover generally means inventory moves faster and less cash is tied up in stock. Use average inventory when comparing across full fiscal years.

Total asset turnover

Total Asset Turnover=SalesTotal Assets\text{Total Asset Turnover} = \frac{\text{Sales}}{\text{Total Assets}}

This ratio shows how much revenue each dollar of assets generates. Asset-light businesses typically report higher turnover than capital-heavy manufacturers.

Average collection period

Average Collection Period=Accounts ReceivableAnnual Sales/Reporting Days\text{Average Collection Period} = \frac{\text{Accounts Receivable}}{\text{Annual Sales} / \text{Reporting Days}}

Also called days sales outstanding (DSO) in many contexts, this measures how long receivables remain outstanding. Shorter collection periods free working capital faster.

Equity multiplier

Equity Multiplier=Total AssetsShareholder Equity\text{Equity Multiplier} = \frac{\text{Total Assets}}{\text{Shareholder Equity}}

The equity multiplier reflects financial leverage. Higher values mean a larger share of assets is funded by debt and other liabilities rather than equity.

Worked example

Period A shows COGS of $500,000 and inventory of $100,000, giving inventory turnover of 5.00. With annual sales of $2,000,000, accounts receivable of $150,000, and 365 reporting days, the average collection period is 27.38 days. Total assets of $1,000,000 and equity of $400,000 produce an equity multiplier of 2.50.

Frequently asked questions

Why compare two periods instead of one?
Side-by-side comparison highlights whether efficiency is improving or deteriorating. A single ratio snapshot is useful, but trend analysis reveals operational changes faster.
Should I use ending or average balances?
Ending balances are common for quick analysis. Average balances (beginning plus ending divided by two) are more accurate for turnover ratios over a full year.
What reporting days should I use?
Use 365 for calendar-year analysis or 360 for some banking conventions. Match the day count to the annual sales figure you enter for consistent collection period results.
How is change percent calculated?
Change equals ((Period B value minus Period A value) divided by the absolute value of Period A) times 100. This shows relative movement between the two periods.

Resources and references

The formulas and methods in this calculator were checked against these independent sources.