Inflation
Calculator

See how inflation affects your money's purchasing power over time. Enter a dollar amount, inflation rate, and time period to see how much more things will cost in the future — or how much less your money will buy.

Inflation Formula
Future Cost = Present Cost × (1 + Rate)ⁿ
Scroll
Future Cost
Inflated
$134.39
Purchasing Power Lost25.59%
$100 Will Buy$74.41 worth
Price Increase+$34.39

Inflation Visualized

Year-by-Year Cost

Live

Purchasing Power

Remaining
74¢per $1

Calculation

Steps
1
Annual Factor1 + 3% = 1.03
2
Compound Over Years1.03^10 = 1.3439
Future Cost$100 × 1.3439 = $134.39

Value Erosion

Interactive
Purchasing Power Remaining
Lost to Inflation (26%)

What Is Inflation?

Inflation is the rate at which the general level of prices rises, causing purchasing power to fall. When inflation is 3%, something that costs $100 today will cost $103 next year.

Over long periods, inflation's compound effect is dramatic. At 3% inflation, prices double every ~24 years. What costs $100 today cost $50 in 2000 and will cost $200 by 2048.

This is why investing is essential — money sitting in a checking account loses value every year. Your investments need to earn at least the inflation rate just to maintain purchasing power.

Inflation Impact
$100
Today
10 years
$134.39
Future

Inflation Through History

Recent Average (2-3%)

The US Federal Reserve targets 2% inflation. Post-pandemic inflation spiked to 9.1% in 2022 before moderating to 3-4% in 2023-2024.

1970s Stagflation (10-14%)

Oil shocks drove inflation to 14.8% in 1980. The Fed raised interest rates to 20% to combat it, causing a deep recession.

Hyperinflation (1000%+)

Zimbabwe (2008), Venezuela (2018), and Weimar Germany (1923) saw monthly inflation rates exceeding 50%. Currency becomes essentially worthless.

What Inflation Affects Most

Housing

Home prices have risen ~5% annually long-term. Rent increases 3-7% per year in most metro areas. Housing typically outpaces general inflation.

Healthcare

Medical costs rise 5-8% annually — significantly faster than general inflation. Insurance premiums, drugs, and procedures all accelerate.

Education

College tuition has risen 5-8% annually for decades. A degree costing $40K in 2000 costs $100K+ today.

Food & Groceries

Food prices average 2-4% annual increase but can spike 8-10% during supply disruptions, droughts, or energy crises.

Savings Accounts

At 0.5% interest vs 3% inflation, you lose 2.5% purchasing power yearly. HYSA rates of 4-5% now beat inflation.

Retirement

30 years of 3% inflation means you'll need 2.4× more money in retirement than today. Plan accordingly.

Inflation Reference Table

Inflation Rate5 Years10 Years20 Years30 YearsDoubling Time
2%$110.41$121.90$148.59$181.14~36 years
3%$115.93$134.39$180.61$242.73~24 years
4%$121.67$148.02$219.11$324.34~18 years
5%$127.63$162.89$265.33$432.19~14 years
7%$140.26$196.72$386.97$761.23~10 years
10%$161.05$259.37$672.75$1,744.94~7 years

Inflation FAQs

What is the current inflation rate?

US inflation as measured by CPI has been running at approximately 3-4% in recent periods. The Federal Reserve's target is 2%. Check the Bureau of Labor Statistics (BLS) for the latest data.

How does inflation affect my savings?

If your savings earn less than inflation, you're losing purchasing power. $10,000 at 0.5% interest with 3% inflation loses ~$250 in real value per year. Use high-yield savings or invest to beat inflation.

What causes inflation?

Main causes: increased money supply (monetary policy), rising costs (cost-push), increased demand (demand-pull), and supply disruptions. Central banks use interest rates to control inflation.

How do I protect against inflation?

Invest in assets that historically outpace inflation: stocks (7-10%/yr), real estate (5-8%/yr), TIPS bonds, commodities, and I-Bonds. Avoid holding excess cash in low-interest accounts.

What is the Rule of 72 for inflation?

Divide 72 by the inflation rate to find how many years until prices double. At 3% inflation: 72 ÷ 3 = 24 years. At 6%: 72 ÷ 6 = 12 years.

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