Embed the future value calculator

What an amount grows to at a fixed rate and compounding frequency, or the starting amount, rate or time needed to reach a target. Free to use on any site, with one line of HTML and nothing to sign up for.

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This is the real widget. Try changing the numbers.

Calculator by smartfin.fyi

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<iframe src="https://smartfin.fyi/embed/future-value.html"
        width="100%" height="1000" style="border:0"
        title="Future value calculator" loading="lazy"></iframe>
<p style="font-size:12px;margin:6px 0 0">Calculator by <a href="https://smartfin.fyi/future-value-calculator.html">smartfin.fyi</a></p>

Notes

It fills whatever width you give it, down to phone screens.
It follows your reader's light or dark mode automatically.
It does not track your visitors. No cookies, no analytics and no outside files.
A height of 1000 suits columns wider than about 650 pixels. On narrower columns, or if your site uses larger text, use about 1400.
The credit line under the widget is optional. Keep it, delete it, or add rel="nofollow" to its link. The widget works the same either way.

Terms: there aren't many. Use it on any site, including commercial ones, at no cost. We may improve the calculator over time, so the embedded version can change. If it ever needs to be retired, this page will say so first.

The full version

The complete future value calculator on smartfin.fyi adds an explanation of each figure, the method and answers to common questions.

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Notes

The full version

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