Calculators and planning tools for data abroad
Every tool runs on the numbers you enter. Free, no sign-up, and no result is bent toward the plans we earn more on.



Planning before you buy
📊Work out how many GB this trip needsEnter your days and how you use data, then see the GB figure to buy without overpaying for headroom you never touch.Read more 🧭Answer four questions, see which kind of plan fitsIt does not push one product. It tells you which type of plan suits your trip: single country, regional, daily, or unlimited.Read more 🔗How much data to share a hotspot with your travel partyWork out the total when other devices ride on your phone.Read more 👨👩👧Buying data for a family tripCompare one plan each against one adult sharing to everyone.Read more 🧑🤝🧑Getting a large group online without losing anyoneFor tour leaders, trip organisers and friend groups moving together.Read more 🗓️Which day does this plan expireValidity starts at first connection, not at purchase.Read more 🌏Pick your countries and see if one plan covers themFor multi-country itineraries where buying one plan per border is a chore.Read more
Cost comparison
💸eSIM or roaming: which is cheaper for this tripEnter the roaming price your own operator charges and the plan price you are looking at, then read the difference across the whole trip.Read more 📶Rent a pocket wifi or use an eSIMPocket wifi is shared across devices but costs a daily rental and has to be returned. Put your trip's numbers in.Read more 💱What a plan price looks like in your currencyPrices are held in USD; your currency choice only changes the display.Read more
Managing usage
⏱️How many hours does your data actually lastPick an activity and see the gigabytes turn into hours.Read more 🎬How much data does streaming video eat on a tripCompare 480p, 720p and 1080p once you multiply by several evenings.Read more 🎥How much data an online meeting abroad costsFor people with daily standups, or a daily call home.Read more 🖼️What automatic photo backup costs you over a tripThe reason data vanishes on trips where nobody watched any video.Read more 📅How much you can use each day without running outTurn the whole allowance into a daily number you can set as a phone alert.Read more ➕Will the data left last until you fly homeEnter what you have used and what is left, and see whether to top up.Read more 🚀What your remaining speed can still doCompare full speed against post-throttle speed in practical terms.Read more
Setup and troubleshooting
📱Search your model and see if it takes an eSIMType a model such as iPhone 13 or Galaxy S22 and read the answer, plus the in-phone check that beats any lookup table.Read more ✈️When to switch the eSIM on so no day is wastedBefore boarding, at a layover, or after landing — it depends on the plan's activation policy.Read more ✅Twelve things to do before you flyTick them off; this browser remembers where you got to.Read more 🛠️The eSIM is installed but nothing worksPick the symptom and work down the steps, most effective first.Read more
These tools give estimates to decide with, not measurements from a live network or your handset. The most accurate number for you is your own data usage from a past trip.