Finance
Inflation Calculator
Estimate future prices in your preferred currency, compare annual inflation rates, and see how rising costs may affect purchasing power over time.
Inflation Calculator
Estimate how inflation may affect future prices and how much more money may be needed to maintain the same purchasing power.
The selected currency changes how monetary values are displayed. This calculator does not convert money between currencies.
Estimated future price
$1,343.92
Estimated cost after applying the selected annual inflation rate over the chosen period.
Estimated future price
$1,343.92
After 10 years
Additional future cost
$343.92
Difference from the current amount
Currency
USD
United States Dollar
Inflation rate
3.00%
Annual planning assumption
Projection period
10 years
Length of calculation
Save and export multiple inflation calculations
Save inflation scenarios in different currencies, select the calculations you need, and export the selected results as one CSV or TXT file.
Page guide
On this page
Jump to the inflation formula, schedule, comparison table, examples, limitations, or frequently asked questions.
Inflation impact
Visual cost breakdown
Year-by-year schedule
Annual price growth
How it works
Calculation method
Inflation formula
Future-value equation
What is it?
Purpose and uses
Purchasing power
How inflation affects money
Rate comparison
Compare common rates
Calculation example
Example using your inputs
When to use it
Planning applications
Limitations
Estimate versus actual data
Inflation FAQ
Common questions
Recommended Investing Book
Protect your long-term purchasing power
The Simple Path to Wealth explains how long-term investing, low costs, and financial discipline can help your money grow while inflation reduces the value of cash over time.
This section may contain affiliate links.
Inflation impact and future cost breakdown
Compare the current amount with the additional future cost created by the selected inflation assumption.
Year-by-year inflation schedule
Review how the selected amount may increase each year under a constant annual inflation assumption.
| Year | Starting value | Inflation increase | Ending value |
|---|---|---|---|
| 1 | $1,000.00 | $30.00 | $1,030.00 |
| 2 | $1,030.00 | $30.90 | $1,060.90 |
| 3 | $1,060.90 | $31.83 | $1,092.73 |
| 4 | $1,092.73 | $32.78 | $1,125.51 |
| 5 | $1,125.51 | $33.77 | $1,159.27 |
| 6 | $1,159.27 | $34.78 | $1,194.05 |
| 7 | $1,194.05 | $35.82 | $1,229.87 |
| 8 | $1,229.87 | $36.90 | $1,266.77 |
| 9 | $1,266.77 | $38.00 | $1,304.77 |
| 10 | $1,304.77 | $39.14 | $1,343.92 |
How this inflation calculator works
This calculator applies the selected annual inflation rate to the current amount once for every year in the projection. Each year's ending value becomes the starting value for the following year.
This compounding process estimates how much an item, service, or expense may cost in the future if prices increase at a constant annual rate.
Real inflation changes from year to year, so the result should be treated as a planning estimate rather than an exact forecast.
Inflation formula for future prices
Inflation growth formula
Future value = Present value × (1 + inflation rate)^years
The inflation rate must be written as a decimal inside the formula. For example, an annual rate of 3% is represented as 0.03.
The formula compounds inflation over the selected number of years to estimate the future price required to purchase something that costs a given amount today.
What is an inflation calculator?
An inflation calculator estimates how rising prices may change the future cost of goods, services, and expenses. It can show how much an amount may need to grow to maintain similar buying power over a selected period.
It can be used for budgeting, retirement planning, education costs, household expenses, savings targets, salary discussions, insurance planning, and other long-term financial projections.
How inflation affects purchasing power
Purchasing power describes how many goods and services an amount of money can buy. When prices rise while the amount of money stays unchanged, its purchasing power generally falls.
For example, an item that costs $1,000.00 today may cost $1,343.92 after 10 years under the selected inflation assumption.
The difference of $343.92 is the additional future amount required to pay the estimated higher price.
Inflation rate comparison table
Compare how several common annual inflation assumptions affect the same amount and projection period.
| Annual inflation rate | Future price | Additional future cost |
|---|---|---|
| 2.00% | $1,218.99 | $218.99 |
| 3.00% | $1,343.92 | $343.92 |
| 5.00% | $1,628.89 | $628.89 |
| 7.00% | $1,967.15 | $967.15 |
Example inflation calculation
Using the current values, an amount of $1,000.00 with an annual inflation rate of 3.00% over 10 years becomes approximately $1,343.92.
The additional future cost is approximately $343.92. This is the difference between the current amount and the estimated future price.
When to use an inflation calculator
An inflation calculator can help when planning future household expenses, retirement income, tuition costs, rent, insurance coverage, major purchases, salary targets, and long-term savings.
It is also useful for comparing financial scenarios. Even a small difference in the assumed inflation rate can materially affect projected costs when the calculation covers many years.
Inflation calculator limitations and real inflation data
This calculator applies one constant annual inflation rate across the entire projection. Actual inflation may rise, fall, or become negative depending on economic conditions.
Different products and services can also experience different rates of price growth. Housing, food, energy, healthcare, and education costs may not move at the same rate as a broad consumer price index.
The calculator is therefore best used for estimates, comparisons, and financial planning rather than exact predictions of future prices.
Inflation calculator FAQ
What does inflation do to money?
Inflation reduces the purchasing power of money over time, meaning the same amount may buy fewer goods and services in the future.
How do you calculate future value with inflation?
Future value can be estimated by multiplying the present value by one plus the annual inflation rate raised to the number of years.
Why does a small inflation rate matter?
A small annual rate can create a substantial long-term price increase because inflation compounds from one year to the next.
Is inflation always constant?
No. Actual inflation changes over time. This calculator uses a constant annual rate to provide a simple planning estimate.
What is purchasing power?
Purchasing power is the amount of goods and services that money can buy. When prices rise because of inflation, the purchasing power of an unchanged amount generally falls.
Can an inflation calculator help with retirement planning?
Yes. It can estimate how living expenses may increase over time so retirement income and savings targets can account for higher future costs.
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