Inflation Calculator: New Zealand

See what an amount from any past year is worth today in 15 countries, or deflate today's money back in time, using each country's own official price index.

Reviewed August 30, 2026CentExact EditorialRates effective January 1, 1914SourceNothing you enter leaves your browser.

Your numbers

Country

Consumers price index, all groups, 2010=100, 1914 to 2025.

Amount and years

Amount

From year

To year

Annual averages, 1914 to 2025. Enter a later "from" year to deflate.

For how the calculation works, the formula behind it and what it leaves out, see the full guide.

Data sources

Consumers price index, all groups, annual averages (2010 = 100)
Effective 1914-01-01 onward · retrieved 2026-08-30
- Stats NZ: Consumers price index
- Bank for International Settlements: long series on consumer prices
Compiled by the BIS from Stats NZ, 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 7.2% vs 7.2% published, 2023 5.7% vs 5.7% published, 2024 2.9% vs 2.9% published.
Current

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.

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 calculators

Figures 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.