Money Curiosity

How Much Money Am I Losing to Inflation?

Cash that just sits

What it buys in today’s goods

$14,882

The bank still shows $20,000. To buy the same basket later you would need about $26,878.

Bank still shows
$20,000
Buying power lost
$5,118
Share of value gone
26%
Needed later for the same basket
$26,878

Plain-English guide

Terms & how it works

Confused by a field? Read the short definitions here while you use the tool.

  • How Much Money Am I Losing to Inflation?

    The “How Much Money Am I Losing to Inflation?” value used in this tool’s formula. Adjust it to see results update live.

  • inputs

    Your numbers

    What a pile of cash buys after N years if prices rise at the rate you type. It is not “lost” from the bank. It is lost at the grocery store.

Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.

What a pile of cash buys after N years if prices rise at the rate you type. It is not “lost” from the bank. It is lost at the grocery store.

How this calculator works

What a pile of cash buys after N years if prices rise at the rate you type. It is not “lost” from the bank. It is lost at the grocery store. Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value. Scenario: $20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.

Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.

Scenario: $20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.

When to use this How Much Money Am I Losing to Inflation?

Common use cases

  • What a pile of cash buys after N years if prices rise at the rate you type. It is not “lost” from the bank. It is lost at the grocery store.
  • Sanity-check with this scenario: $20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.
  • The relationship is: Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.

Localized examples

  • Money Curiosity: the example on this page uses the same formula as the widget.

What you get

  • Workspace controls for this exact question
  • Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.
  • Scenario on the page: $20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.

How to Calculate How Much Money Am I Losing to Inflation?

  1. 1What a pile of cash buys after N years if prices rise at the rate you type. It is not “lost” from the bank. It is lost at the grocery store.
  2. 2Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.
  3. 3Scenario: $20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.
  4. 4Read it once, then decide what a Saturday or a deposit is worth. The number will not decide for you.

Governing formula

Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.

$20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.

$20,000 left in a 0% account at 3% inflation for 10 years still says $20,000. It buys about $14,900 of today’s goods.

Variable definitions

  • inputs

    Your numbers

    What a pile of cash buys after N years if prices rise at the rate you type. It is not “lost” from the bank. It is lost at the grocery store.

  • The count (Real value = amount ÷ (1 + inflation)^years. Lost purchasing power = amount − real value.) is calendar arithmetic. Health, luck, and whether you keep the habit are not fields.
  • Nothing here is uploaded for the calculation itself.

Frequently Asked Questions

Long-run consumer inflation in many rich countries has hovered near 2–3%. Use 6–8% only if you are stress-testing a bad decade.

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Reviews & Ratings

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4.8

out of 5.0

4 reviews

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Your rating

Aisha K.

Mar 12, 2026

Clean layout and the results update instantly. Exactly what I needed for a quick planning check.

Daniel R.

Feb 28, 2026

Very usable on mobile. Would love a save/export option later, but the math feels solid.

Priya S.

Feb 3, 2026

The FAQ section answered my questions before I even had to search. Smooth dark mode too.

Marcus L.

Jan 19, 2026

Simple inputs, clear outputs. This replaced three bookmarks I used to juggle.

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