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Inflation Calculator — What Is Your Money Really Worth?

Calculate how inflation erodes purchasing power over time — and what you need to earn to stay ahead.

Quick answer: Inflation reduces purchasing power, so the same dollars buy less over time. Compare inflation rate, time horizon, and savings yield to estimate the real value of cash.

Real Value of Cash in N Years
$7,441
Real Value of Cash in N Years
$7,441
Purchasing Power Lost
$2,559
Amount Needed to Break Even
$13,439
Your Savings Account Value
$10,387
Breakdown
$23,439total
Real Value of Cash in N Years$7,441
Purchasing Power Lost$2,559
Amount Needed to Break Even$13,439
Total$23,439
Real Value of Savings
$7,729
Diagnostic

After 10 years of 3.00% inflation, $10,000 today will have the purchasing power of $7,441.

Compound growth is the cheapest yield in finance — start earlier, contribute more, pay less in fees.

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What to do next

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Your action plan
  1. 1

    Compare the leading option against your current setup

    See how inflation silently erodes the purchasing power of your cash.

  2. 2

    Compare the result against current market-rate options

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

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This is an educational estimate, not tax, legal, investment, or lending advice. Confirm with a qualified professional or the provider before acting.

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Reviewed Jul 9, 2026 · Methodology

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Frequently Asked Questions

Everything you need to know.

What is the historical average inflation rate?
The US average inflation rate since 1913 is approximately 3.1%. The Fed targets 2% for price stability. The 2021–2023 inflation spike peaked at 9.1% before declining. For long-term planning, 2.5–3% is a reasonable assumption.
How do I protect my money from inflation?
I-Bonds (inflation-adjusted, Treasury-backed), TIPS (Treasury Inflation-Protected Securities), high-yield savings (rates often track Fed policy), real estate, and stocks (which historically outrun inflation over 10+ year periods). Cash under the mattress loses to inflation every year.
Is the Inflation Calculator — What Is Your Money Really Worth? free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Inflation Calculator — What Is Your Money Really Worth? affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to compare high-yield savings rates, or run Money Map to compare this banking & savings decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (general) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

At 3% inflation, $100,000 today is worth $74,000 in 10 years and $55,000 in 20 years. Money sitting in a savings account at 0.5% while inflation runs at 3% is losing purchasing power every year. Seeing the real number creates urgency.

How to Use It

  1. 1Enter the amount and your current interest rate
  2. 2Set the expected inflation rate (long-term average: 3%)
  3. 3Set the time horizon
  4. 4See real vs nominal value and whether you are beating inflation
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