Price escalation calculator

Escalate a price between two dates using official Wholesale Price Index data. Latest published: Jul 2026.

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The date you are escalating to, and how often you want figures.

More options
Only used when the assessment period ends after Jul 2026.

What you’ll get

  1. 1
    Pick the commodities your price follows — a single item such as cement, or a broad group such as All Commodities.
  2. 2
    Choose the assessment period — the date you are escalating to.
  3. 3
    Read the answer — choose the period you are escalating from and enter an amount to see the index factor, the % change and the escalated amount, with a chart and a table for every period.
Index factor = index at the assessment period ÷ index of the period you escalate from
Escalated amount = base amount × index factor

Official Wholesale Price Index data from the Office of the Economic Adviser (DPIIT): 1,136 commodities, monthly from January 2005 to Jul 2026. Read the guide.