RoamRuler
FREE · ESIM DATA CALCULATOR
A practical travel-data estimate

How much travel data will you actually use?

Tell us how long you are travelling and what you do online. We turn that into a realistic data allowance, add a sensible buffer, and show plans that fit.

Trip-specific estimateNo signup requiredCurrent providers compared
Step 1 of 3

Where are you going?

A regional plan can be better if your trip crosses borders.

10 days

What travels with you?

Pick the closest pattern. You can add hotspot use separately.

0 h/day

Your travel data fit

A practical estimate with a safety buffer.

Estimated need8 GB
1.0 GBessentials
5.0 GBmedia
0 GBhotspot
2.0 GBbuffer

RoamRuler may receive compensation from providers. Recommendations follow the trip details entered above; confirm live pricing and coverage before checkout.

Start with usage, not a logo.

A seven-day city break and a month of remote work should not produce the same recommendation. We calculate the allowance first, then compare coverage, validity, hotspot rules and price.

YOUR ROUTINE

Maps, calls, video and work

The estimate separates low-data essentials from streaming and laptop tethering.

YOUR ROUTE

Local, regional or global

One-country trips usually favour local plans. Border-crossing itineraries need verified regional coverage.

THE FINE PRINT

Validity and speed limits

We flag the details that affect real use: activation timing, hotspot support and fair-use throttling.

Travel data guide

How many GB do I need for international travel?

Your ideal travel eSIM depends more on behavior than destination. Maps and messaging use relatively little data; video, cloud backups and laptop tethering change the answer quickly. Use these starting points, then personalize the estimate above.

3–5 GB

7-day sightseeing trip

Maps, messaging, tickets, light browsing and hotel Wi-Fi for large downloads.

5–10 GB

10–14 days with social media

Daily navigation, photo sharing, short videos and regular browsing.

20+ GB

Remote work or streaming

Video calls, cloud files, hotspot use and daily high-resolution video.

Quick answers

Travel eSIM FAQ

What is the best eSIM for international travel?

The best international eSIM depends on destination, trip length, required data, hotspot rules and whether you cross borders. Compare the plan shape first, then current provider prices and coverage.

How much data do I need for a 7-day trip?

Many light travelers can start with 3–5 GB for a week. Social video, streaming, cloud backups and tethering can push the requirement above 10 GB. The calculator gives a personalized estimate.

Is an unlimited data eSIM actually unlimited?

Some unlimited eSIM plans apply fair-use policies, daily high-speed allowances or hotspot limits. Check the provider’s current plan terms before buying, especially if you work remotely.

Should I choose a regional or local eSIM?

A local eSIM usually fits a single-country trip. A regional eSIM can be more convenient for travel across several countries because one plan stays active as you cross borders.