Interest Calculator

Compare Simple vs. Compound Interest growth over time.

Client-side only. Data never leaves your device.

Parameters

$
%
Yr

Simple Interest

$0.00
+$0.00 Profit
Principal$10,000.00
Rate Return50.0%

Compound Interest

$0.00
+$0.00 Profit+$0 vs Simple
Principal$10,000.00
Effective APY5.12%

How to use Interest Calculator

1

Enter your principal (starting) amount.

2

Input the annual interest rate percentage.

3

Select Simple or Compound interest and the time period.

4

Click 'Calculate' to see the total amount and interest earned.

Frequently Asked Questions

What is compound interest?

Compound interest is interest calculated on both the initial principal and the accumulated interest.

Is compound better than simple?

For savings, compound interest earns more. For loans, simple interest costs less.

How often should interest compound?

The more frequently it compounds, the more you earn (or owe). Daily is the most common for savings.

Why use Kitbase Interest Calculator?

Simple & Compound

Calculate both simple and compound interest scenarios.

Growth Chart

Visual chart showing investment growth over time.

Compound Frequency

Choose daily, monthly, quarterly, or annual compounding.

Breakdown Table

Year-by-year breakdown of principal and interest.

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