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Variable Cost Definition, Factors, Formula, and Applications

September 12, 2024
Bill Kimball

what is a variable expense?

The company faces the risk of loss if it produces less than 20,000 units. However, anything above this has limitless potential for yielding benefits for the company. Therefore, leverage rewards the company for not choosing variable costs as long as the company can produce enough output.

what is a variable expense?

Determine Break-Even Point

Commissions are often a percentage of a sale’s proceeds that are awarded to a company as additional compensation. Because commissions rise and fall in line with whatever underlying qualification the salesperson must hit, the expense varies (i.e. is variable) with different activity levels. For instance, let’s say you make and sell hand-painted “World’s Best Boss” mugs. These costs are used for costing the business’ products using different methods, such as activity-based costing, process costing, etc. Fixed costs are normally independent of a company’s specific business activities. Variable costs increase as production rises and decrease as production falls.

Variable cost

Therefore, when the company has sales of $10,000 the cost of goods will be $6,000. When the sales are $30,000 the cost of goods sold will be $18,000. The envelope system is one budgeting method that can help you balance your variable expenses. You start by assigning categories such as entertainment and transportation to individual envelopes.

Examples of variable Cost

Her expertise is in personal finance and investing, and real estate. For the past 52 years, Harold Averkamp (CPA, MBA) hasworked as an accounting supervisor, manager, consultant, university instructor, and innovator in teaching accounting online. He is the sole author of all the materials on AccountingCoach.com. For the past 52 years, Harold Averkamp (CPA, MBA) has worked as an accounting supervisor, manager, consultant, university instructor, and innovator in teaching accounting online. The articles and research support materials available on this site are educational and are not intended to be investment or tax advice.

For example, you may take vacations or trips two to three times a year. The amount you spend each time may vary, but you’re not paying for those expenses monthly. Instead, you may budget for those kinds of variable expenses using sinking funds—money that you set aside for this purpose.

Understanding Variable Costs

what is a variable expense?

This would mean the total variable cost per unit of a single chair would be $50. Where average variable cost is most useful, however, is when you’re trying to calculate your average costs while accounting for multiple products with different variable costs per unit. Variable costs are directly related to the cost of production of goods or services, while fixed costs do not vary with the level of production. Variable costs are commonly designated as COGS, whereas fixed costs are not usually included in COGS.

Wood is considered a variable cost because the price of it can change over time. A variable cost is a type of corporate expense that changes depending on how much (or how little) your company produces or sells. Depending on how your sales or production rates are going, your variable costs can rise or fall—hence the name. To determine the total variable cost, simply multiply the cost per unit with the number of units produced. To determine total variable cost, simply multiply the cost per unit with the number of units produced. Let’s assume that it costs a bakery $15 to make a cake—$5 for raw materials such as sugar, milk, and flour, and $10 for the direct labor involved in making one cake.

This refers to any expenses that fluctuate relative to the number of units the company produces, such as direct materials, direct labor, commissions, or utility costs. Fixed costs refer to expenses that do not change with production output, such as rent for your offices or salaries for permanent employees. A company that seeks to increase its profit by decreasing variable costs may need to cut down on fluctuating costs for raw materials, direct labor, and advertising. However, the cost cut should not affect product or service quality as this would have an adverse effect on sales. By reducing its variable costs, a business increases its gross profit margin or contribution margin.

Separate your variable expenses from your fixed expenses to estimate how much you spend on both. Many budgeting apps and bank websites will highlight your recurring expenses or break down your entire transaction history by category. Then you can decide if the amounts you’re spending align with your budget. Fixed expenses are costs that usually stay the same over time, meaning they are regularly occurring and generally don’t change in dollar amount. Unlike variable expenses, fixed ones tend to be predictable and therefore easier to plan for.

  1. Knowing how to include both in a budget is important to avoid overspending.
  2. However, if you pay commissions for every unit sold on top of a salary, they would be variable costs.
  3. These costs can be budgeted by separating expenses into fixed or variable to analyze and budget the expenses accordingly.
  4. Examples of variable costs are sales commissions, direct labor costs, cost of raw materials used in production, and utility costs.

If the chair company knows it costs $50 per unit in variable costs to produce a single chair, it wouldn’t make sense to price the chair any lower than $51, since you would lose money on each sale. Understanding your variable costs is essential for small and mid-sized businesses. The higher your variable costs, the lower your profit margin, meaning your business makes less money.

To calculate the variable cost of each item you sell, add up every expense directly related to creating it—the variable cost per unit. Industries with a higher degree of variability will likely use more variable costs, like manufacturing and retail. Therefore, tax is considered a variable expense when analyzing costs for the company. Hence, it is said to be directly proportional to the change in production volume.

Explore ways to save money on groceries, car costs and other specific variable expenses. For example, you could use coupons or cash-back credit cards to reduce costs. If your company offers shipping to customers, you’ll need to consider packaging and shipping among your other variable costs. Since you’ll only need to pay for packaging and shipping if/when you make a sale for delivery, it’s considered a variable cost—even if the price of shipping remains the same over time.

Notice how the total variable cost goes up according to the number of contracts, much like in the previous example. Production supplies and equipment refers to any necessary supplies or equipment that fluctuate with your output level. For the chair company, an example would be oil for machines involved in the woodworking process. If the company makes more chairs, they’ll need more machine oil, making this a variable cost. By embracing lean techniques, businesses can effectively reduce their variable costs and improve overall efficiency.

On the other hand, when there’s a decline in demand, production might decrease, leading to a reduction in variable costs as fewer resources are consumed. Understanding these factors can help businesses strategize better and maintain optimal operations. Saving can also be considered a fixed expense if you’re budgeting for it regularly. For instance, you may put $100 into your emergency fund every payday.

Variable costs are the expenses that change in direct proportion to the volume of goods or services a company produces. Economies of scale refer to the cost advantage that companies achieve when production becomes efficient, leading to a reduction in the cost per unit as production volume increases. This, in turn, will raise the cost per unit, leading to higher variable costs for businesses reliant on that material.

But if your total variable costs are rising, you are producing more units—hopefully at a net profit. Yes, your total variable costs will increase as you produce more units. This is because variable costs are tied to the total quantity of units you produce. For example, if you produce 1 chair with a variable cost per unit of $50, your total variable costs would increase to $500 if you produced 10 chairs. Even though the amount it costs to produce a single unit of your product is fixed, the overall cost is variable, since the total amount will change depending on how many units you’re producing.