← Home

Consumer Price Index Calculator

Calculate CPI, inflation rates, and cost of living changes

Market Basket - Base Year Prices

Market Basket - Current Year Prices

Category Weights

CPI Analysis Results

Base Year Market Basket Cost: $0.00
Current Year Market Basket Cost: $0.00
Consumer Price Index (CPI): 100.0
Inflation Rate: 0%
Weighted CPI: 100.0
Highest Price Increase Category: -

Understanding Consumer Price Index

CPI Formula: CPI = (Current Year Basket Cost / Base Year Basket Cost) × 100

Market Basket: A fixed set of goods and services representing typical consumer purchases.

Base Year: The reference year for price comparisons, typically set at CPI = 100.

Weights: Categories are weighted based on their importance in average household spending.

Inflation Rate: Percentage change in CPI from one period to another, showing cost of living changes.