Business Overhead Calculator

Reduce overhead costs and improve profitability. Identify every indirect expense, calculate your overhead rate, and find ways to cut waste.


How the Business Overhead Calculator works

List all indirect costs (rent, admin, insurance, etc.), calculate what percentage they are of your sales, and allocate them to each product to see true costs.

Overhead expenses creep up quietly and kill profits. Most businesses don’t realize how much they’re spending on indirect costs until they calculate it and find 20-30% waste.

How it works

Tutorial

Overhead costs are the silent profit killer. These indirect expenses – rent, administration, insurance – don’t directly produce products but eat into your margins. Calculating your overhead rate shows you exactly how much these costs add to each product.

You have two options: use the calculator above for instant overhead analysis, or follow this guide to calculate overhead manually.

The Formula

What to CalculateHow to Calculate It
Total OverheadAdd all indirect costs
Overhead Rate(Total Overhead ÷ Direct Labor Cost) × 100
Product OverheadDirect Labor × Overhead Rate

Step-by-Step Example

Let’s calculate overhead for a manufacturing business.

Step 1: List All Overhead Costs

Write down every indirect expense:

Overhead CategoryMonthly Cost
Rent and Utilities$12,000
Admin Staff Salaries$18,000
Insurance$2,500
Depreciation on Equipment$4,000
Office Supplies$1,500
Accounting and Legal$3,000
Total Monthly Overhead$41,000

Calculation:$12,000 + $18,000 + $2,500 + $4,000 + $1,500 + $3,000 =$41,000

Step 2: Calculate Overhead Rate

Find overhead as a percentage of direct labor:

What to CalculateAmount
Total Monthly Overhead$41,000
Direct Labor Cost (production workers)$50,000
Overhead Rate82%

Calculation:($41,000 ÷ $50,000) × 100 =82%

Step 3: Apply Overhead to Products

Add overhead to each product’s cost:

ProductMaterialsDirect LaborOverhead (82% of labor)Total Cost
Product A$50$100$82$232
Product B$30$60$49$139

Calculation example:Product A overhead: $100 × 0.82 =$82

Final Answer:For every $1 in labor, add$0.82for overhead

What This Means

An 82% overhead rate means indirect costs nearly equal your direct labor. If overhead exceeds 100% of labor, you’re spending more on administration than production – a clear sign to cut indirect costs.


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