Cash vs Invest

See how much your money grows in cash versus invested in the market, and how much inflation quietly eats away. Free, private and instant.

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💰 Opportunity cost

See exactly what you give up by keeping money in cash over the long term.

📡 Monthly contributions

Add recurring deposits to model dollar-cost averaging instead of a single lump sum.

🏁 Inflation reality

Compare nominal growth with real purchasing power after inflation.

📈 Growth chart

Watch invested vs cash vs real value diverge year by year.

🔒 Private

All calculations run locally in your browser. Nothing is sent anywhere.

⚡ Instant

Results update as you type. No buttons, no reloads.

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