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Deposit interest calculator

What a held deposit should earn.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
$
3%

Interest owed

$146.16

Return at the end

$2,546.16

With these inputs, interest owed comes to $146.16. Return at the end works out to $2,546.16. The result assumes rate stays at 3%.

What moves the number · Interest owed

Input−10%Now+10%
Deposit held$131.54$146.16$160.78
Rate$131.35$146.16$161.01
Years held$131.15$146.16$161.26

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What a held deposit should earn.

A worked example

Starting figures

Deposit held
$2,400
Rate
3%
Years held
2

What it returns

Interest owed
$146.16
Return at the end
$2,546.16

How to read the results

With the defaults above, interest owed works out at $146.16.

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