For bloggers and sites

Put the runtime calculator on your site

Free for CPAP, RV, camping and prepping sites: your readers pick a power station and a device and see how long it runs, by the same math as this site.

Try it

Copy this code

Paste it into an HTML block on your page.

<iframe src="https://runtimemath.com/widget/runtime" title="Power station runtime calculator" width="100%" height="540" style="border:0;max-width:560px" loading="lazy"></iframe>
<p style="font-size:13px">Calculator by <a href="https://runtimemath.com/">RuntimeMath</a></p>

Options

Dark version: add ?theme=dark to the address.
Start on a station and device: ?station=bluetti-ac180&device=cpap. Devices: fridge, cpap, cpap-dry, laptop, router, lights, tv, starlink, blanket, microwave, heater.
Start on your own watts: ?watts=150.

The fine print

No cookies, no tracking and no ads in the calculator. Nothing your readers pick is sent to us; the calculator loads from our host, Cloudflare (see Privacy).
Specs and the 18 stations update with this site; prices aren’t shown in it.
Questions: [email protected].