Consumer Surplus

The Consumer Surplus calculator computes the difference between value and amount paid by a buyer.  

INSTRUCTIONS: Choose units and enter the following:

• (VtB) This is the value to the buyer.
• (APB) This is the amount paid by buyer.

Consumer Surplus: The consumer surplus is returned in U.S. dollars.  However, this can be automatically converted to other currencies via the pull-down menu.

The Math / Science

The formula for Consumer Surplus

   CS = VtB - APB

where:

• CS = Consumer Surplus
• VtB = Value to Buyer
• APB = Amount paid by Buyer

Consumer Surplus is simply the difference between the value of something to the consumer and the amount they paid for it.

Macroeconomics Calculators

• Income Elasticity of Demand
• Cross-Price Elasticity of Demand
• Price Elasticity of Demand
• Price Elasticity of Supply
• Total Surplus
• Consumer Surplus
• Producer Surplus
• GDP Growth
• GDP Deflator
• GDP by Income
• GDP Expenditure
• Net Capital Outflow
• Net Exports and Net Capital Outflow
• Dollar Conversion from Different Times
• Unemployment Rate (Friedman and Phelps)
• National Saving
• Domestic Investment
• Unemployment Rate
• Inflation Rate in Year 2 (using CPI)
• Labor Force
• Labor-Force Participation Rate
• Net Exports
• Real Exchange Rate
• Currency Converter
• Midpoint Method for Price Elasticity of Demand
• Income Elasticity of Demand
• Simple Price Elasticity of Demand

Reference:

Mankiw, N. Gregory. "Chapter 7:Market Efficiency." Principles of Macroeconomics. 6th ed. Mason, OH: Thomson/South-Western, 2004. 145-46. Print.