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Compound Interest Calculator

Project how a starting balance can grow with compound interest over time.

Inputs

Initial amount invested or saved

Nominal annual rate

Number of years

Results

Future Value

€16,470.09

Interest Earned

€6,470.09

Overview

Compound interest applies growth to both the starting principal and accumulated interest.

Formula

A = P(1 + r/n)^(nt)

Methodology

This calculator uses the nominal annual rate and selected compounding frequency. It models one starting principal and no recurring deposits.

This is a deterministic projection based on the entered rate, compounding frequency, time, and contributions. It does not predict investment returns, market performance, taxes, fees, or inflation.

Trust & Transparency

Author:Calcify Editorial Team
Reviewed by:Calcify Editorial Review
Last verified:
Last reviewed:
Sources:

General information only — not financial advice. Consult a qualified financial advisor for personalized guidance.

Frequently Asked Questions

What is compound interest?
Compound interest earns interest on both the original principal and previously earned interest.
How does compounding frequency affect growth?
With the same nominal rate, more frequent compounding generally produces a slightly higher future value.
Does this calculator include regular contributions?
No. This calculator models growth of one starting principal. Use the Savings Calculator for regular monthly contributions.
Is the result guaranteed?
No. It is a mathematical projection based on the inputs, not a prediction of investment returns.

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Future Value$16,470.09