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.더 읽기 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.더 읽기 How much data to share a hotspot with your travel partyWork out the total when other devices ride on your phone.더 읽기 Buying data for a family tripCompare one plan each against one adult sharing to everyone.더 읽기 Getting a large group online without losing anyoneFor tour leaders, trip organisers and friend groups moving together.더 읽기 Which day does this plan expireValidity starts at first connection, not at purchase.더 읽기 Pick your countries and see if one plan covers themFor multi-country itineraries where buying one plan per border is a chore.더 읽기
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.더 읽기 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.더 읽기 What a plan price looks like in your currencyPrices are held in USD; your currency choice only changes the display.더 읽기
Managing usage
How many hours does your data actually lastPick an activity and see the gigabytes turn into hours.더 읽기 How much data does streaming video eat on a tripCompare 480p, 720p and 1080p once you multiply by several evenings.더 읽기 How much data an online meeting abroad costsFor people with daily standups, or a daily call home.더 읽기 What automatic photo backup costs you over a tripThe reason data vanishes on trips where nobody watched any video.더 읽기 How much you can use each day without running outTurn the whole allowance into a daily number you can set as a phone alert.더 읽기 Will the data left last until you fly homeEnter what you have used and what is left, and see whether to top up.더 읽기 What your remaining speed can still doCompare full speed against post-throttle speed in practical terms.더 읽기
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.더 읽기 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.더 읽기 Twelve things to do before you flyTick them off; this browser remembers where you got to.더 읽기 The eSIM is installed but nothing worksPick the symptom and work down the steps, most effective first.더 읽기
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.