Marginal Revenue Calculator
Calculate revenue from selling one more unit. Free marginal revenue calculator for business owners, managers, and economics students with instant results.
About This Calculator
The Marginal Revenue Calculator helps business owners, managers, and economics students determine the additional revenue generated when selling one more unit of a product or service. Marginal revenue is a core concept in microeconomics that guides optimal pricing strategies, production decisions, and profit maximization.
Marginal revenue is calculated using the formula MR = ΔTR / ΔQ, where ΔTR represents the change in total revenue and ΔQ represents the change in quantity sold. For example, if your total revenue increases from $50,000 to $62,000 when you increase sales from 1,000 to 1,200 units, your marginal revenue is $12,000 ÷ 200 = $60 per additional unit sold.
Understanding marginal revenue is essential for profit maximization. The optimal production level occurs where marginal revenue equals marginal cost (MR = MC). Producing beyond this point reduces profitability because each additional unit costs more to produce than the revenue it generates, while producing below this point means you are leaving potential profit on the table.
In perfectly competitive markets, the marginal revenue curve is horizontal because firms are price takers and each additional unit sells at the same market price. In monopoly markets, the marginal revenue curve slopes downward because selling more units requires lowering the price on all units sold.
Regional Notes
United States: US businesses use marginal revenue analysis for pricing decisions, product mix optimization, and capacity planning. The IRS allows deduction of ordinary and necessary business expenses, and understanding marginal revenue helps optimize taxable income.
India: Indian businesses apply marginal revenue concepts for pricing strategies in competitive markets, determining optimal production runs, and evaluating export opportunities under GST regulations.
United Kingdom: UK businesses use marginal revenue analysis for management accounting, strategic pricing, and investment decisions under HMRC guidelines. Marginal analysis is a key tool in UK business economics curricula.
Frequently Asked Questions
What is marginal revenue?
Marginal revenue is the increase in total revenue that results from selling one additional unit of a good or service. It is calculated by dividing the change in total revenue by the change in quantity sold. Businesses use marginal revenue to determine optimal pricing and production levels.
How do you calculate marginal revenue?
Marginal revenue is calculated using the formula MR = ΔTR / ΔQ, where ΔTR is the change in total revenue and ΔQ is the change in quantity. For example, if your total revenue increases from $50,000 to $62,000 when you sell 200 more units, your marginal revenue is $12,000 / 200 = $60 per unit.
What is the marginal revenue formula?
The marginal revenue formula is MR = ΔTR / ΔQ, where MR is marginal revenue, ΔTR is the change in total revenue (final revenue minus initial revenue), and ΔQ is the change in quantity (final quantity minus initial quantity).
What is the difference between marginal revenue and total revenue?
Total revenue is the overall income from selling all units at a given price, while marginal revenue is the additional income from selling one more unit. Total revenue shows the big picture of sales performance, while marginal revenue helps determine whether producing additional units is profitable.
How can marginal revenue become negative?
Marginal revenue can become negative when selling additional units requires lowering the price so much that the total revenue decreases. This typically happens in monopoly markets when the price decrease on all units sold outweighs the revenue gained from the additional unit sold.
Is the Marginal Revenue Calculator free?
Yes, all calculators on Calculy are completely free to use with no registration required. You can share your results with a unique URL.
What is the relationship between marginal revenue and marginal cost?
The optimal production level is where marginal revenue equals marginal cost (MR = MC). At this point, profit is maximized. Producing beyond this point means each additional unit costs more than the revenue it generates, which reduces total profit.
What is the marginal revenue curve?
The marginal revenue curve shows how marginal revenue changes as the number of units sold increases. In a perfectly competitive market, it is horizontal (constant). In a monopoly market, it is downward-sloping because selling more units requires lowering the price on all units.