Knowledge of how your business spends its money is necessary for proper budgeting, pricing, and profits. Two of the most important cost management concepts are fixed costs and variable costs. Some of the costs may not change much even with the increase or decrease in sales or manufacturing, while other costs will fluctuate depending on your business operations.
In this blog, you will learn about the difference between fixed and variable costs along with examples to help you understand why knowing about these expenses is important for your business.
Understanding Fixed and Variable Costs and How They Affect Business Expenses
It is important to analyze the behavior of the costs incurred before any effective cost management is attempted in an organization. Fixed and variable costs exhibit distinct characteristics that change with the levels of sales and production; hence, the need for separation.
Some costs have to be paid regardless of whether there is low or high activity, while some costs increase with higher levels of business activity. This is quite helpful when budgeting and determining the amount of income needed by a firm to break even.
What Are Fixed Costs?
Fixed cost is a type of cost that a business incurs without regard to the number of products manufactured or sold during a certain period. In simple terms, fixed costs are those costs that do not change with the level of production or sales.
Common examples of fixed costs include:
- Office or warehouse rent
- Salaried employee wages
- Business insurance premiums
- Property taxes
- Loan payments
- Software subscriptions
- Certain equipment lease payments
Let's say, for instance, a company pays $5,000 per month for rental of its warehouse space. Regardless whether the company produces 500 or 5,000 units in the particular month, it will pay the same rent amounting to $5,000. This cost will thus be classified as a fixed cost.
Nonetheless, it does not imply that the cost is immovable at all times. The cost of your rental might go up if your lease contract expires. It simply implies that the cost does not change because your production level changes.
What Are Variable Costs?
Variable costs are costs which vary with respect to business activities. As the volume of business activities increases, variable costs tend to go up; conversely, as volume decreases, costs reduce.
Common examples include:
- Raw materials
- Direct labor tied to production
- Sales commissions
- Packaging costs
- Shipping expenses
- Credit card processing fees
- Production-related utilities
For instance, consider a company that uses $10 worth of raw material cost and direct production cost per unit produced. In case it manufactures 1,000 units, its variable cost will be:
$10 × 1,000 units = $10,000
If production increases to 2,000 units, the total variable cost would increase to $20,000.
This relationship between activity and expenses is what makes a cost variable.
Fixed Costs vs. Variable Costs: Key Differences
It becomes much easier to comprehend the concept of fixed and variable costs through the difference in their reaction to business operations.
|
Cost Factor |
Fixed Costs |
Variable Costs |
|
Changes with production |
Generally no |
Yes |
|
Changes with sales volume |
Generally no |
Often yes |
|
Predictability |
Usually easier to predict |
Can fluctuate |
|
Examples |
Rent, insurance, salaries |
Materials, commissions, shipping |
|
Impact during slow periods |
Usually continues |
May decrease |
|
Per-unit impact |
Usually falls as production increases |
Often remains relatively consistent per unit |
For many businesses, the challenge is not simply identifying these costs. It is understanding how the combination of fixed and variable expenses affects profitability.
Practical Fixed and Variable Costs Examples for Different Businesses
The exact combination of fixed and variable costs will vary widely according to the nature of the industry. A manufacturing firm, retailer, restaurant, and service company will all have their own unique cost structure.
Looking at practical examples can make the distinction easier to understand.
Example of Fixed Costs for a Small Business
Consider a small marketing agency with the following monthly expenses:
- Office rent: $2,000
- Salaried staff: $8,000
- Insurance: $500
- Software subscriptions: $500
Its total fixed costs would be:
$2,000 + $8,000 + $500 + $500 = $11,000 per month
If the agency serves 10 clients one month and 15 clients the next month, these expenses may remain at $11,000, assuming no major operational changes.
The agency still needs enough revenue to cover these expenses before generating a profit.
Example of Variable Costs for a Product-Based Business
Now consider a company selling handmade products. Each product requires:
- Materials: $12
- Packaging: $3
- Production labor: $5
The variable cost per unit is:
$12 + $3 + $5 = $20 per unit
If the company produces 500 units:
$20 × 500 = $10,000 in total variable costs
If it produces 1,000 units:
$20 × 1,000 = $20,000 in total variable costs
Unlike fixed costs, the total expense changes directly with production volume.
Understanding Mixed or Semi-Variable Costs
There are some expenses which cannot be categorized as fixed and variable alone and fall under mixed expenses. These types of expenses are generally known as semi-variable because they consist of fixed and variable aspects.
For instance, a utility bill will have a monthly minimum amount to be paid along with variable charges depending upon the consumption level. An employee in the sales department is given a fixed amount as his salary and receives commissions according to his sales. These mixed expenses can help a company plan its budgeting more effectively by understanding their nature.
How Fixed and Variable Costs Help Businesses Make Better Financial Decisions
The concept of fixed and variable costs cannot be explained in accounting only. The knowledge about cost will affect price determination, budgeting, profitability analysis, and expansion of the business.
After owners of business are aware of costs that don’t change and of those that vary, they will be in a better position to determine how many products they have to sell.
Improve Budgeting and Cash Flow Planning
Fixed costs tend to be more predictable due to their relative consistency on a month-to-month basis. For example, businesses know how much they expect to pay for their lease, insurance, software services, and payroll costs. Variable costs, on the other hand, need to be carefully monitored.
For example, if a business expects to increase production by 25%, it should estimate how the additional activity will affect:
- Materials
- Direct labor
- Packaging
- Shipping
- Transaction fees
- Production-related expenses
This can help management avoid underestimating the cash needed to support growth.
Support Better Pricing and Profitability Decisions
Companies have to understand their cost structures before pricing their products or services. If a firm cannot tell how much it spends on a variable cost basis per unit sold, it will be difficult for the firm to know if each sale is making a sufficient contribution towards fixed costs and profit.
Suppose a product sells for $100 and has a variable cost of $40.
Contribution per unit = $100 - $40 = $60
That $60 can contribute toward covering fixed costs. Once fixed costs are covered, additional contributions can support profit.
This type of analysis helps businesses evaluate whether pricing is sufficient and whether reducing certain costs could improve profit margins.
Help Businesses Plan for Growth and Cost Control
While growth can generate extra revenue for your business, it also can bring about extra cost. The cost that changes directly with an increase in sales is called variable cost, while some of the fixed costs may stay the same until you reach a certain capacity.
As an illustration, at first you may be capable of increasing the production of goods with the existing warehouse. Afterward, though, you may require a bigger one or extra equipment or salary-based personnel.
Business owners should therefore consider questions such as:
- Can current fixed expenses support additional growth?
- How much will variable costs increase?
- Will higher sales improve profitability?
- When will additional fixed investments become necessary?
- Which costs can be reduced without affecting quality?
Regular financial reporting and cost analysis can make these decisions more data-driven.
Distinguishing the difference between fixed and variable costs is crucial to operating an effective business venture. Fixed expenses tend to remain consistent despite the fluctuations that occur in the short run due to production and sales, while variable expenses vary in relation to increased or decreased production and sales.
By knowing the two types of expenses, companies can make budgets, price their products, evaluate their profits, and plan for growth. It is important not just to minimize all the expenses but to understand how they impact your business and then act accordingly.
Need help understanding your business expenses and financial performance? The Fino Partners can provide professional accounting support to help you maintain accurate records, monitor costs, and make more informed financial decisions for your business.
