Inflation Calculator

Inflation Calculator lets you future cost grows with inflation while present purchasing power declines by the same factor. Enter your own values or load the worked example.

Method and calculation

Future cost grows with inflation while present purchasing power declines by the same factor.

Inputs and settings

Inflation Calculator accepts Principal (minimum 0); Annual rate (%) (minimum 0, maximum 1000); Years (minimum 0, maximum 1000).

Worked example

Inflation Calculator example — Principal: 10000; Annual rate (%): 8; Years: 5. Computed output: { "futureCost": 14693.280768000006, "presentPurchasingPower": 6805.831970337529 }

Output and limitations

Inflation Calculator: Use finite inputs. Results use double-precision arithmetic.

Technical references: JavaScript numerical operations

Inflation Calculator FAQs

Inflation Calculator applies the following rule to your input: Future cost grows with inflation while present purchasing power declines by the same factor. The worked example on this page uses the same processor as the result button.
Inflation Calculator has these boundaries: Use finite inputs. Results use double-precision arithmetic. Start by checking the principal field against the units or format shown.
Inflation Calculator provides this sample: { "futureCost": 14693.280768000006, "presentPurchasingPower": 6805.831970337529 }. Use the sample button to reproduce it, then replace the inputs with your own values.