FreeByte

Daily interest calculator

What a balance costs you each day.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
$
18.9%

Interest per day

$6.21

Per month

$189

With these inputs, interest per day comes to $6.21. Per month works out to $189. The result assumes apr stays at 18.9%.

Per year
$2,268
Per week
$43.62

What moves the number · Interest per day

Input−10%Now+10%
Balance$5.59$6.21$6.84
APR$5.59$6.21$6.84

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What a balance costs you each day.

A worked example

Starting figures

Balance
$12,000
APR
18.9%

What it returns

Interest per day
$6.21
Per month
$189
Per year
$2,268
Per week
$43.62

How to read the results

With the defaults above, interest per day works out at $6.21.

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