Short answer
Google Maps uses about 3–5 MB per hour of turn-by-turn navigation, or roughly 0.5–1 MB for a simple lookup and route. That is one of the lowest data footprints of any app you will use while travelling. A 1 GB plan could theoretically power hundreds of hours of navigation.
Real-world numbers
| Activity | Approximate data |
|---|---|
| Opening the app and searching a place | ~0.3–1 MB |
| Turn-by-turn driving navigation | ~3–5 MB per hour |
| Walking navigation | ~2–4 MB per hour |
| Browsing and panning the map | ~1–3 MB per few minutes |
| Satellite view | 5–10x higher than standard map view |
| Street View | ~2–5 MB per location |
| Live traffic refresh | Included in navigation figures |
Standard map tiles are vector-based and cached aggressively, which is why navigation is so cheap. Satellite imagery and Street View are raster photography and are dramatically heavier — those are the features to avoid on a small travel plan.
Why some travellers still burn data on Maps
- Satellite view left switched on. Easy to do accidentally and 5–10x costlier.
- Repeatedly re-searching rather than saving places in advance.
- Background location and Timeline syncing throughout the day.
- Photos and reviews loading as you scroll business listings — image-heavy and adds up.
Download offline maps before you travel
Offline maps reduce navigation data to effectively zero and also protect you from dead zones in mountains, subways and rural areas.
- 1Connect to Wi-Fi.
- 2Open Google Maps and tap your profile picture.
- 3Tap Offline maps > Select your own map.
- 4Pan and zoom to frame the city or region you need, then tap Download.
- 5Repeat for each destination.
A typical city download is 100–500 MB; a whole small country can exceed 1 GB, so do this on hotel or home Wi-Fi. Offline maps expire after about a year and refresh automatically over Wi-Fi.
What still needs data offline: live traffic, public transit times, walking and cycling directions in some regions, and Street View. Driving directions and search work fully offline.
Reduce usage without going fully offline
- Turn on Wi-Fi only mode in Maps settings when you want to freeze all mobile data use.
- Stay in the default map view rather than satellite.
- Star your hotel, restaurants and stations in advance while on Wi-Fi.
- Screenshot the key route as a backup.
How much data should I buy?
Maps alone barely registers. Size your plan around everything else you do:
| Your usage | Suggested plan |
|---|---|
| Maps, messaging and email only | 1 GB per week |
| Maps plus social media and photo uploads | 3 GB per week |
| Maps plus video calls and some streaming | 5–10 GB per week |
| Maps plus heavy streaming or hotspot | 10–20 GB or unlimited |
Download your offline maps at home, then install a travel eSIM so live traffic and searches keep working when you land. See plans for your destination.
For a full trip estimate that includes streaming, navigation, calls, and background activity, use our guide to how much mobile data you need when traveling.