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Fixed vs. Variable Cost: The Basics with Examples

Are you starting a new business or trying to manage your finances better? Understanding the difference between fixed cost and variable cost is crucial!

Fixed costs are like rent, salaries, and insurance – things that don’t change regardless of how much you sell. Variable costs include materials, labor, and shipping fees- expenses that vary based on production volumes.

Fixed Cost vs. Variable Cost

Fixed CostsVariable Costs
Fixed costs are expenses that do not change regardless of the level of production or sales and remain constant over a specific period of time, such as rent, salaries, insurance, and depreciation.Variable costs are expenses that vary proportionally with the level of production or sales and increase or decrease based on the volume of output or activity, such as raw materials, labor, and utilities.
They are incurred regardless of the level of production or sales and are considered sunk costs, as they cannot be easily altered or avoided in the short term.They are directly linked to the level of production or sales and can be adjusted in response to changes in demand or business conditions.
Fixed costs do not change with the level of sales or revenue and are not influenced by changes in the company’s sales volume.Variable costs are directly related to the level of production or sales, and as sales increase or decrease, variable costs also fluctuate accordingly.
They are typically inflexible in the short term, as they are contractual or committed expenses that cannot be easily adjusted or eliminated without incurring penalties or contractual obligations.They are more flexible in the short term, as they can be adjusted based on changes in production or sales volume, allowing for greater cost control and responsiveness to business conditions.
Fixed costs do not directly impact the profitability of a company, as they remain constant regardless of the level of production or sales.Variable costs have a direct impact on profitability, as they increase or decrease with changes in production or sales, influencing the company’s gross profit margin and net income.
Examples of fixed costs include rent for a manufacturing facility, salaries of permanent employees, and insurance premiums.Examples of variable costs include raw materials used in production, hourly wages of temporary workers, and utility costs that vary with production output.

Introduction

In business, the terms “fixed” and “variable” costs are used to describe two different types of expenses. Fixed costs are those that do not change with production volume, while variable costs do. To understand the difference between these two types of costs, it is helpful to consider an example. Let’s say a company manufactures widgets. The cost of renting the factory space is a fixed cost. The cost of the raw materials used to make the widgets is a variable cost. As the company produces more widgets, the cost of the raw materials will increase. But the cost of renting the factory space will stay the same.

Variable costs are often referred to as “unit-level” costs because they vary with production volume. Fixed costs are sometimes called “period costs” because they are incurred over a period of time, such as a month or year. To calculate your company’s total production costs, you would add together both your fixed and variable costs. This total would then be divided by the number of units produced to get your average unit cost.

What is a fixed cost?

A fixed cost is a business expense that does not fluctuate with production or sales volume. It is often referred to as a sunk cost because it has already been incurred and cannot be changed.

A good example of a fixed cost is rent for a manufacturing facility. Even if production decreases, the company still owes the same amount in rent each month.

Other examples of fixed costs include insurance, salaries, and interest payments. Fixed costs do not change with production volume while variable costs do. This distinction is important for businesses to understand when making decisions about price and output levels.

What is a variable cost?

A variable cost is a type of expense that fluctuates in proportion to production output. Variable costs increase or decrease as production volume changes and tend to be directly tied to the number of goods or services produced.

Common examples of variable costs include raw materials, commissions, and direct labor. In contrast, fixed costs are expenses that do not change in relation to production volume. Fixed costs remain constant even when production volume changes and tend to be overhead expenses, such as rent, insurance, and equipment leases. 

Another example is the rent for your factory space is a fixed cost because it does not change based on how many widgets you produce. Whether you produce 100 widgets or 200 widgets, your monthly rent will remain the same.

Key differences between fixed and variable costs

Fixed costs are those that do not change with production volumes, such as rent or insurance. Variable costs, on the other hand, increase or decrease with production volume; examples include raw materials and labor.

A key distinction between the two is that fixed costs must be paid regardless of whether or not a company is profitable, while variable costs only need to be incurred when goods or services are actually produced. This means that if a company wants to reduce its expenses, it will have more control over variable costs than fixed costs.

As a general rule, businesses should aim to keep their fixed costs as low as possible and their variable costs as high as they can without compromising quality. This allows them to maximize profits by selling at a higher price point while still minimizing their overall expenses.

Difference between fixed and variable costs

Examples of fixed and variable costs in businesses

The fixed costs in a business are those that do not change with the level of production or sales. They remain the same regardless of how much or how little is produced. The most common examples of fixed costs include rent, insurance, and salaries. In contrast, variable costs are those that do fluctuate with production levels. The cost of raw materials would be an example of a variable cost because as more products are produced, more raw materials are required.

To understand the difference between fixed and variable costs, let’s say you own a small business that manufactures widgets. The cost of raw materials needed to make each widget is a variable cost because it fluctuates with production volume. If you produce 100 widgets, you will need 100 pounds of raw materials at $1 per pound. If you produce 200 widgets, you will need 200 pounds of raw materials at $1 per pound. 

Pros and cons of fixed vs. variable costs

There are benefits and drawbacks to both fixed and variable costs. Here are some things to consider when making your decision:

Fixed costs stay the same regardless of how much you produce, while variable costs change with production. This means that fixed costs provide more stability, but maybe a higher overall cost. Variable costs can be lower in the short-term but may increase as production increases.

Pros of fixed costs: 

-More stable budgeting for long-term planning

-Allows for easier comparison of results over time

-Can be used as part of a pricing strategy to remain competitive

Cons of fixed costs: 

-Higher overall cost in some cases

-Risk of being less flexible and responsive to changes in the market or production levels

Pros of variable costs: 

-Lower overall cost in some cases

-More flexible and responsive to changes in the market or production levels

Cons of variable cost:

-Can help avoid the sunk cost fallacy

Conclusion

Fixed costs are those that remain constant regardless of changes in production or sales, while variable costs fluctuate depending on these changes. Having a good understanding of both types of cost can help you better manage your budget, ensuring that your company remains profitable even during periods of low demand or increased production.

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