Income Elasticity of Demand Calculator: Analyze Consumer Behavior

Calculate Your Product's Income Elasticity of Demand

Use our free Income Elasticity of Demand Calculator to quickly determine how changes in consumer income influence the demand for a product. Understand if your product is a normal good, inferior good, or a luxury good based on its IED value.

Formula:

The Income Elasticity of Demand (IED) is calculated using the following formula:

IED = (% Change in Quantity Demanded) ⁄ (% Change in Income)

Or, more precisely:

IED = ^{(Q₂ - Q₁) ⁄ ((Q₂ + Q₁) ⁄ 2)} ⁄ _{(I₂ - I₁) ⁄ ((I₂ + I₁) ⁄ 2)}

Where:

Q₁ = Initial Quantity Demanded
Q₂ = New Quantity Demanded
I₁ = Initial Income
I₂ = New Income

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