Room Lighting Calculator
Enter your room size and how it's used to estimate the total light (lumens) and number of LED fittings you need.
How many LED panels for a 12x10 room?
A 12x10 ft living room needs roughly 1200 lumens for relaxed lighting — around four to six 12 W panels spread evenly, or more if used as a bright work space.
How this works
The tool multiplies your room area by a target brightness (lux) for its use — relaxed living rooms need less light than a study or kitchen — then divides by the output of each fitting to estimate how many you need. Spread them evenly for uniform light.
The lux method
The calculator sizes lighting the way professionals do: multiply the room area by a target brightness (lux) for its use, which gives the total lumens the room needs, then divides by the output of each fitting to get the count. A relaxed living room needs far less light than a kitchen or a study.
Spread the light, don't cram it
One big central light leaves corners dim and casts hard shadows. It is better to spread several smaller fittings evenly — for example four to six panels instead of one — and layer in accent lights (cove, spots) for warmth. Aim for even coverage rather than a single bright point.
| Room | Target brightness | Feel |
|---|---|---|
| Bedroom / living | 100-150 lux | Relaxed, ambient |
| Kitchen / bathroom | 200-300 lux | Bright, task-ready |
| Study / work | 300-500 lux | Crisp, focused |
| Accent / mood | 50-100 lux | Soft, layered |
Frequently asked questions
How many LED panels for a 12x10 room?
A 12x10 ft living room needs roughly 1200 lumens for relaxed lighting — around four to six 12 W panels spread evenly, or more if used as a bright work space.
Is one light enough for a room?
For anything but a tiny room, no. Several smaller fittings give more even light and fewer shadows than a single central bulb.
What is lux?
Lux is brightness per square metre. Living rooms target 100-150 lux, kitchens 200-300, and study areas 300-500.
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