How bright should kitchen lights be? Kitchen lights need 300–500 lux for general ambient light and 500–800 lux at the worktop for food prep. A 10×12 ft kitchen needs around 6,000–9,000 lumens total across all lighting zones.
How bright should kitchen lights be — by zone
Kitchen lighting works in layers. The brightness target changes depending on which part of the kitchen you’re lighting. A single overhead light can never do all three jobs well.
Total lumens by kitchen size
| Kitchen size | Ambient lumens | Add task lighting | Total (all sources) |
|---|---|---|---|
| Small (8×10 ft) | 2,500–4,000 lm | 1,500–2,000 lm | 4,000–6,000 lm |
| Medium (10×12 ft) | 4,000–6,000 lm | 2,000–3,000 lm | 6,000–9,000 lm |
| Large (12×16 ft) | 5,500–8,000 lm | 2,500–4,000 lm | 8,000–12,000 lm |
| Open plan kitchen | 8,000–12,000 lm | 3,000–5,000 lm | 11,000–17,000 lm |
Colour temperature — what Kelvin for kitchen lights?
Colour temperature affects how food looks and how easy it is to work in the kitchen. Most designers specify different CCTs for different zones:
| Zone | Recommended CCT | Why |
|---|---|---|
| General ambient | 2700K–3000K | Warm, inviting feel — good for open-plan kitchens that flow into living/dining areas |
| Worktop / task | 3000K–4000K | Cooler light improves visibility of food colour and surface cleanliness |
| Island pendants | 2700K–3000K | Warmer for dining atmosphere — put on a separate dimmer circuit |
| Inside cabinets | 2700K–3000K | Warm accent light for display cabinets and shelving |
How many recessed lights for a kitchen?
For the ambient layer in a kitchen, recessed LED downlights are the standard choice. Use the spacing rule: lights 2 feet from walls, 4 feet apart in a grid. Then add task lighting separately.
| Kitchen size | Recessed lights (ambient) | Under-cabinet strips | Island pendants |
|---|---|---|---|
| 8×10 ft | 3–4 downlights | 1–2 runs | 1–2 pendants |
| 10×12 ft | 4–6 downlights | 2–3 runs | 2–3 pendants |
| 12×16 ft | 6–9 downlights | 3–4 runs | 2–3 pendants |
| Open plan kitchen | 10–16 downlights | 4–6 runs | 3–5 pendants |
Under-cabinet lighting — the most important upgrade
Most kitchens are under-lit at the worktop because the overhead lights are blocked by the upper cabinets — you’re literally standing in your own shadow when you cook. Under-cabinet LED strips fix this completely.
Target: 300–500 lumens per linear foot of worktop, mounted at the front of the upper cabinet so the light hits the full worktop depth.
CCT: 3000K–4000K for task accuracy. Avoid very warm strips under cabinets — food colours look wrong.
CRI: CRI 90+ makes a visible difference for food preparation. The difference between CRI 80 and CRI 95 is immediately obvious when you’re checking if meat is cooked.
CRI — why it matters more in kitchens than anywhere else
Colour Rendering Index (CRI) measures how accurately a light source shows true colours. In a kitchen it affects:
- Whether meat looks pink (cooked) or red (raw)
- Whether vegetables look fresh or dull
- Whether your worktop looks clean or stained
- Whether food photos look appetising or washed out
Use CRI 90+ for all kitchen task lighting. CRI 80 (the standard) is acceptable for ambient, but task areas deserve better.
Frequently asked questions
Calculate your kitchen lighting in detail
Enter your kitchen dimensions and get a full layered lighting plan — ambient, task, island, and under-cabinet — with fixture counts and lumen targets for each zone.
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