Marginal Cost Calculator

marginal cost calculator

Calculate variable costs for each output level or production interval. Add the variable costs to the fixed costs to get your total costs. Marginal cost is the cost to produce one additional unit of production. It is an important concept in cost accounting as marginal cost helps determine the most efficient level of production for a manufacturing process.

This demand results in overall production costs of $7.5 million to produce 15,000 units in that year. As a financial analyst, you determine that the marginal cost for each additional unit produced is $500 ($2,500,000 / 5,000). Financial analysts use this important concept to help a company optimize its production, and therefore maximize profits. Variable costs on the other hand will increase as you produce more units. To calculate marginal cost, you divide the change in total costs by the change in quantity. If you are unsure how to find change in total costs, simply subtract current costs by future costs. Your marginal cost can increase or decrease as you continue to add additional units of production.


The warehouse has capacity to store 100 extra-large riding lawnmowers. The margin cost to manufacture the 98th, 99th, or 100th riding lawnmower may not vary too widely. However, manufacturing the 101st lawnmower means the company has exceeded the relevant range of its existing storage capabilities. how to calculate marginal cost That 101st lawnmower will require an investment in new storage space, a marginal cost not incurred by any of the other recently manufactured goods. Marginal cost is an economics and managerial accounting concept most often used among manufacturers as a means of isolating an optimum production level.

marginal cost calculator

Where; y is the total cost, a is the fixed cost, x is the volume of output in units and b is the variable cost per unit. Your manufacturing expenses will rise if you need to hire an extra worker or buy more raw materials to create more units, for example. Deduct the production cost of batch one from the production cost of batch two to see how much your production costs have changed. While there isn’t a “higher or lower marginal cost,” there’s a point where it doesn’t make sense to produce additional units.

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Beyond that point, the cost of producing an additional unit will exceed the revenue generated. As we can see from the marginal cost curve below, marginal costs start decreasing as the company benefits from economies of scale. However, marginal costs can start to increase as companies become less productive and suffer from diseconomies of scale. It is at this point where costs increase and they eventually meet marginal revenue.

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You’ll increase your profits by $15,500—that’s $25,000 in revenue from the extra 100 doors minus the $9,500 cost of producing them. To calculate marginal cost, divide the difference in total cost by the difference in output between 2 systems.

Important Formulas and Equations for Marginal Cost

Use our online to calculate it in cost accounting. Marginal factor cost is the increase in the total cost paid by the factors of production, which is due to the increase in the number of factors used by a unit. It is expressed in currency units per incremental unit of factors of production, such as labor per unit of time.

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