Travel SIM Card Tools (2026)
Three free tools to plan your mobile connectivity before you fly. No sign-up required.
The Data Calculator tells you how many gigabytes to buy for your trip. The Coverage Checker shows network speeds and providers for any country. The Cost Comparison tool calculates whether a local SIM card or an eSIM saves you money for your specific trip.
Data Usage Calculator
Find out how many gigabytes you need for your trip. Set your trip length, usage habits, and daily activities to get a recommended plan size. Includes a 15% buffer so you never run short.
Coverage Checker
Check network technology (3G, 4G LTE, 5G), provider signal ratings, and where to buy a SIM for any destination before you travel. Pulls from our database of 200+ countries.
eSIM vs Local SIM Cost Comparison
Enter your destination, trip length, and daily data usage. See a side-by-side price breakdown of local SIM cards against eSIM plans so you can choose the cheaper option.