Compound Interest Calculator
Compound Interest Calculator projects how an investment grows over time given the principal, annual rate, duration and how often interest compounds.
Última actualización: July 2026
Calculate compound interest and final balance from principal, rate, time and compounding frequency. Free, instant compound interest calculator.
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Cómo usar Compound Interest Calculator
- Enter the principal, annual rate and number of years.
- Choose the compounding frequency.
- Read the final balance and interest earned.
Preguntas frecuentes
What compounding frequencies are supported?
Annually, semi-annually, quarterly, monthly and daily.
What's the formula?
Future value = P × (1 + r/n)^(n·t), where n is the compounds per year and t the number of years.
Does it include contributions?
This version calculates growth on a single lump sum. Treat additional deposits separately.
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