Marginal Revenue Calculator

Updated on 02-Sep-2025

Easily calculate marginal revenue with our free Marginal Revenue Calculator. Enter revenue and quantity data to find MR instantly.


units
$
units
$
Results

Change in Revenue (ΔR)

$2,000.00

Change in Quantity (ΔQ)

20 units

Marginal Revenue (MR)

$100.00

per additional unit

Marginal Revenue Interpretation

MR > 0

Positive

Increasing revenue

Produce more

MR = 0

Zero

Revenue maximized

Optimal output

MR < 0

Negative

Decreasing revenue

Reduce output

Marginal Revenue (MR) is an essential concept in economics and business. It refers to the additional revenue a company earns by selling one more unit of a product or service. Businesses use marginal revenue to determine the optimal production level, pricing strategies, and profit maximization.

Our Marginal Revenue Calculator makes this process simple. You just enter revenue and quantity details, and it instantly computes the marginal revenue for you.

Formula for Marginal Revenue

The general formula for marginal revenue is:

 MR=ΔRΔQMR = \frac{\Delta R}{\Delta Q}

Where:

  • MRMR = Marginal Revenue
  • ΔR\Delta R = Change in Revenue
  • ΔQ \Delta Q = Change in Quantity

Step 1: Calculate Change in Revenue

ΔR=R2-R1 \Delta R = R_2 - R_1

Where:

  • R2R_2​ = Total Revenue at Current Quantity
  • R1R_1​​​​​​​​ = Total Revenue at Previous Quantity

Step 2: Calculate Change in Quantity

ΔQ=Q2-Q1\Delta Q = Q_2 - Q_1​​​​​​​

Where:

  • Q2Q_2​ = Current Quantity
  • Q1Q_1​​​​​​​​ = Previous Quantity

Step 3: Calculate Marginal Revenue

MR=R2-R1Q2-Q1MR = \frac{R_2 - R_1}{Q_2 - Q_1}

This is the most widely used formula for marginal revenue.

Example Calculation

Suppose a company increases its sales from 100 units to 120 units. At 100 units, the total revenue was $5,000, and at 120 units, the total revenue increased to $6,200.

Step 1: Change in Revenue

ΔR=R2-R1=6200-5000=1200\Delta R = R_2 - R_1 = 6200 - 5000 = 1200

Step 2: Change in Quantity

ΔQ=Q2-Q1=120-100=20 \Delta Q = Q_2 - Q_1 = 120 - 100 = 20

Step 3: Marginal Revenue

MR=ΔRΔQ=120020=60MR = \frac{\Delta R}{\Delta Q} = \frac{1200}{20} = 60​​​​​​​

Marginal Revenue = $60 per unit

Marginal Revenue Calculator

Related Calculators