- No data uploaded
- Instant results
Room Lighting (Lumens) Calculator
Calculate how many lumens and bulbs a room needs from its size and type (living room, kitchen, bedroom, office…).
Room Lighting (Lumens) Calculator
Living room lighting150 lux × 18.6 m²
Bulbs
4
Foot-candles
14
Indicative ambient levels (IES / EN 12464 style guidance). Layer ambient, task and accent light; use 2700–3000 K in living spaces and 3500–4000 K for kitchens and offices. Dimmers add flexibility.
Frequently asked questions
Is my data uploaded?
No. The calculation runs entirely in your browser — nothing you type is sent to a server.
Is it free?
Yes — free, unlimited and no sign-up.