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Operating Expense Calculator

Add up your monthly operating expenses by category and see what share of revenue they take.

Your numbers

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Monthly operating expenses

$10,500.00

Rent and utilitiesPayrollMarketingSoftwareOther
Share of revenue
52.5%
Yearly
$126,000.00

Results are estimates for planning. Check important figures with a qualified professional.

Quick answer

The Operating Expense Calculator shows total monthly operating expenses and their share of revenue. How it works: Operating expenses = sum of overhead categories; OpEx ratio = operating expenses ÷ revenue. For example, with monthly revenue of $20000, rent and utilities of $2000, and payroll of $6000, the monthly operating expenses is $10,500.00.

How to use the Operating Expense Calculator

  1. Enter monthly revenue.
  2. Enter rent and utilities.
  3. Enter payroll.
  4. Enter marketing.
  5. Enter software and subscriptions.
  6. Enter other.
  7. Read monthly operating expenses and the breakdown. Use Share to send the exact numbers, or Print to save a PDF.

How it's calculated

  • Operating expenses = sum of overhead categories
  • OpEx ratio = operating expenses ÷ revenue

Worked example

With monthly revenue of $20000, rent and utilities of $2000, payroll of $6000, marketing of $1500, software and subscriptions of $400, and other of $600:

Monthly operating expenses: $10,500.00. Share of revenue: 52.5%.

Questions people ask

Is COGS an operating expense?

No. COGS is the direct cost of products sold. Operating expenses run the business.