Formula & method
Future cost = current cost × (1 + inflation rate)^years
A constant-rate projection is useful for planning but actual inflation varies from year to year.
Assumptions
- Inputs remain in your browser and are not saved.
- Rates are converted to the payment frequency shown.
- Results are rounded for display; internal calculations retain precision.
Example calculation
Example
At 3% inflation, today’s $100 basket costs about $116 in five years.
Important
Educational estimates only — not financial, tax or legal advice.