Embed the savings vs investing calculator

The same money in a savings account and in investments: both modeled balances, the difference, and each figure in today's money, with an optional yearly increase in the monthly contribution, fees and taxes. 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/savings-vs-investing.html"
        width="100%" height="2400" style="border:0"
        title="Savings vs investing calculator" loading="lazy"></iframe>
<p style="font-size:12px;margin:6px 0 0">Calculator by <a href="https://smartfin.fyi/savings-vs-investing-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 2400 suits columns wider than about 650 pixels, with the optional groups open. On narrower columns, or if your site uses larger text, use about 3100.
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 savings vs investing calculator on smartfin.fyi adds a chart of both balances, a year-by-year table, the difference at other investment returns and the full method.

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Notes

The full version

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