How to Calculate a Price After Inflation
Price after 1 year = current price x (1 + inflation rate). At 3% inflation, a 1000 JPY item becomes 1000 x 1.03 = 1030 JPY next year. Over multiple years it compounds (non-linear).
Open the interactive Everyday Lifestyle tool →1-year formula: price x (1 + rate)
Key facts
| 1-year formula | price x (1 + rate) |
|---|---|
| Inflation rate | 3% (1.03) |
| 1000 JPY item | 1030 JPY next year |
| Multi-year | compounds (1 + rate)^years |
Frequently asked questions
What will a 1000 JPY item cost after 3% inflation?
1030 JPY after one year: 1000 x 1.03 = 1030 JPY.
How do I project multiple years?
Raise (1 + rate) to the number of years. 1000 x 1.03^3 = about 1093 JPY in 3 years.
Is inflation the same as a price hike?
Inflation is the general rate of price increase; an individual item may rise faster or slower.
Related pages
Inflation Price Calculator is part of Everyday Lifestyle on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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