OhMyCalc

Inflation Rate Calculator

Calculate the inflation rate between two prices. See the percentage change and price multiplier over the measured period.

How to Use the Inflation Rate Calculator

  1. Enter the original (old) price of the item or basket.
  2. Enter the current (new) price of the same item or basket.
  3. Click Calculate to see the inflation rate.

Quick Reference

FromTo
0–2%Low / target inflation
2–4%Moderate inflation
4–10%High inflation
> 10%Very high inflation
< 0%Deflation

Use Cases

Formula

Inflation Rate = ((New Price − Old Price) / Old Price) × 100%.

Frequently Asked Questions

What is inflation?
Inflation is the rate at which the general price level rises, reducing purchasing power over time.
Can inflation be negative?
Yes, negative inflation (deflation) means prices are falling — a rare but possible scenario.
Is it free?
Yes, all calculators are completely free.