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Free Compound Interest Calculator

100% Client-Side: Your data never leaves your browser. Zero server processing or data storage.

Compound Interest & Wealth Calculator

Calculate future wealth accumulation with compound interest and recurring deposits.

Future Portfolio Value
$341,920
Total Principal Invested: $130,000
Total Interest Earned: $211,920

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+ Math.round(fv).toLocaleString(); document.getElementById('ciPrincipal').textContent = ' + Math.round(totalInv).toLocaleString(); document.getElementById('ciInterest').textContent = ' + Math.round(interest).toLocaleString(); } catch(e) {} } document.addEventListener('DOMContentLoaded', calcCI);