Ferramenta no navegador

Compound Interest Calculator

See how savings grow with compound interest from a starting amount, annual rate, number of years and compounding frequency.

%
Final balance1,647.01
Interest earned647.01

Calculated in your browser — nothing is uploaded.

Every calculation runs in your browser — no data is sent anywhere.

Como funciona

01
Enter the numbers
02
See the result update live
03
Copy or reuse it

Perguntas frequentes

What is compound interest?

Interest that is added to the balance so it earns interest too. More frequent compounding (monthly vs yearly) grows the balance faster. This calculator uses your starting amount only, with no regular contributions.

Meu arquivo é enviado a algum servidor?

Não. Esta ferramenta roda inteiramente no seu navegador. Você pode abrir a aba de rede do navegador e verificar que nenhuma requisição carrega seu arquivo.