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Inflation Calculator

Understand the impact of inflation on cash holdings and living costs. Enter an amount of money, average annual inflation rate (e.g. 3.2%), and number of years to discover future required purchasing power and lost value.

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Personal Finance(3 tools)
Instant Answer & Solution

How to calculate: $100,000 today at 3% inflation for 15 years

Equivalent Future Cost: $155,796.74 (Purchasing power reduced by ~35.8%)
Formula:Future Value = Present Value Γ— (1 + Inflation Rate)^Years
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Projects the escalated cost of an equivalent basket of goods over time.

Need custom inputs? Use the interactive calculator below:Live Tool
Equivalent Future Cost in 15 Years
$155,796.74

Purchasing power of cash drops by approx. 35.8% over this period.

About Inflation Calculator

Understand the impact of inflation on cash holdings and living costs. Enter an amount of money, average annual inflation rate (e.g. 3.2%), and number of years to discover future required purchasing power and lost value.

Primary Purpose: Calculate purchasing power degradation due to inflation

How to Use the Inflation Calculator

  1. 1Enter current dollar amount.
  2. 2Input the expected annual inflation rate (%) and time horizon in years.
  3. 3Read the equivalent future purchasing cost and loss of buying power.

Formula & Methodology

Future Value = Present Value Γ— (1 + Inflation Rate)^Years

Projects the escalated cost of an equivalent basket of goods over time.

Real-World Worked Examples

Long term purchasing power

$100,000 today at 3% inflation for 15 years

Inputs
amount:100000
rate:3
years:15
Result:Equivalent Future Cost: $155,796.74 (Purchasing power reduced by ~35.8%)

Frequently Asked Questions

What is historical average US inflation?

Historically, the US Consumer Price Index (CPI) has averaged approximately 3.1% annually over the last century.