For how the calculation works, the formula behind it and what it leaves out, see the full guide.
Data sources
- Current
Verbraucherpreisindex, annual averages (2010 = 100)
Effective 1924-01-01 onward · retrieved 2026-08-30
- Statistisches Bundesamt: Verbraucherpreisindex
- Bank for International Settlements: long series on consumer prices
Compiled by the BIS from Statistisches Bundesamt, rebased to 2010 = 100. Index levels are only comparable within a country, never between countries.
How we checked these figures
Annual inflation reproduces the statistics office's published rates: 2022 6.9% vs 6.9% published, 2023 5.9% vs 5.9% published, 2024 2.3% vs 2.2% published.
This calculator in other countries
Each country has its own rates, thresholds and rules, and its own page with the official sources they came from.
- United Kingdom inflation calculator
- Canada inflation calculator
- Australia inflation calculator
- Ireland inflation calculator
- Netherlands inflation calculator
- New Zealand inflation calculator
- Sweden inflation calculator
- India inflation calculator
- Sri Lanka inflation calculator
- Finland inflation calculator
- Japan inflation calculator
- France inflation calculator
- Spain inflation calculator
CentExact Editorial · Research & verification
Every CentExact calculator is built from the published finance formula, tested against spreadsheet, lender and tax-authority figures, and reviewed when the underlying rates or rules change.
How we build and test our calculatorsFigures are estimates derived from published rates and rules, current at the review date shown at the top of this page and taken from the sources listed below. Rates, fees and thresholds change; always confirm current values with the official source before relying on a result.