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TOOL · SIM

Travel eSIM data calculator

Estimate the data you need for calls, streaming, and everyday browsing.

Enter hours away from Wi-Fi over the whole trip. Leave any activity you won't do blank.

Adjust data assumptions

Browsing is an editable planning assumption. Call estimates use Zoom bandwidth guidance. Streaming uses Netflix estimates.

Your results

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How it works

Multiply hours by editable usage assumptions in GB per hour. Actual usage depends on settings, apps and network conditions. Enter calls, streaming and browsing separately.

How much mobile data do you need for a trip?

Estimate the hours you’ll spend on calls, streaming, and everyday browsing while away from Wi-Fi. Use the quality selectors to adjust the estimate. Count work done through your phone’s hotspot when it uses your travel plan.

Putting the result to work

Two hours of video at 0.7 GB per hour adds about 1.4 GB. The same two hours at 3 GB per hour can use up to 6 GB. Quality settings can make a meaningful difference.

What should I check before buying an eSIM?

Check that the plan covers every destination, lasts through your trip, and allows tethering if you need it. Check what happens when you reach the data allowance.

Netflix data-use estimates

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