Search for “how far does WiFi reach” and you'll get wildly different answers: 150 feet, 50 feet, 300 feet outdoors. All of them can be technically true, and all of them can be useless for your specific home, because WiFi range depends far more on what's between the router and the device than on the router itself.
- The number on the box is measured in open air with nothing in the way — not through your walls.
- 5 GHz has a much shorter real-world range than 2.4 GHz, even though both come from the same router.
- Two homes of the same size can have completely different WiFi range depending on wall materials alone.
Realistic WiFi range by environment
| Environment | 2.4 GHz | 5 GHz |
|---|---|---|
| Open space, no walls | ~30-45 m | ~15-20 m |
| Through 1 interior wall | ~15-20 m | ~7-10 m |
| Through 2-3 interior walls | ~8-12 m | ~3-5 m |
| Through a concrete wall or floor | ~4-8 m | ~1-3 m |
What the spec-sheet range number actually means
The range printed on a router's box is almost always measured in an open field or an empty warehouse, with a clear line of sight and no other networks competing for airtime. That's a real number, but it describes a scenario that doesn't exist in a typical home, where the signal has to pass through walls, floors, furniture, and appliances before it reaches your device.
Real range indoors: 2.4 GHz vs. 5 GHz
The table above is a reasonable starting point, but treat it as an order of magnitude, not a guarantee — wall thickness and material change the numbers a lot. What it does show clearly is the trade-off: 2.4 GHz consistently reaches farther through obstacles than 5 GHz, which is why devices far from the router often fall back to 2.4 GHz automatically, even on a dual-band network.
Why manufacturer numbers don't match your home
Three things shrink real-world range far more than most people expect: wall material (concrete and brick cut range dramatically more than drywall), distance combined with obstacles (each wall doesn't just subtract a fixed amount — the effect compounds), and interference from neighboring networks, which doesn't reduce range on paper but makes a marginal connection unusable in practice.
Does a stronger router mean more range?
Only partially. A router with higher transmit power or better antennas can push a usable signal a bit farther, but it can't cancel out a concrete wall or a floor slab — physics doesn't care about the price tag. Past a certain point, the more reliable fix for a bigger home isn't a stronger router, it's a second access point (a mesh node) placed where it actually helps.
How to find your home's real range, not the spec-sheet one
The only way to know your actual range is to measure it in your own home, because every layout is different. Perfect WiFi lets you mark your walls on your floor plan and see the modeled signal strength room by room — or add real measurements from your phone — instead of relying on a number that was measured somewhere else, in a building that isn't yours.
FAQ
What is the average WiFi range in a house?
In a typical home with a few interior walls, usable 2.4 GHz range is often 15-25 metres and 5 GHz range is often 7-12 metres — well below the 45+ metres shown on router boxes, which is measured in open space.
Does WiFi range depend on the router or the device?
Both. A router with more transmit power can send a stronger signal, but the receiving device (phone, laptop) also has a much weaker antenna than the router, so real range is usually limited by the device, not the router.
Why is my 5 GHz WiFi so much shorter range than 2.4 GHz?
5 GHz uses a higher frequency, which carries more data but is absorbed more quickly by walls and distance. It's a trade-off, not a defect — 2.4 GHz is the one built for range.
Will a more expensive router give me more range?
A bit, usually. Higher-end routers often have better antennas and more transmit power, but the gain is modest compared to the effect of walls, floors, and router placement.
How can I check the real WiFi range in my home?
Spec-sheet numbers won't tell you — you need to measure inside your own walls. Perfect WiFi models the signal on your floor plan and lets you add real measurements from specific rooms.
Want to know your WiFi's real range, not a number from a box? Perfect WiFi models it on your actual floor plan.
Check your real WiFi range in Perfect WiFi