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G9 capsule bulbs in neutral white 4000 K

Buy a G9 capsule LED in neutral white 4000 K; for the brightness of an old 40 W bulb pick 470 lm (≈5 W LED) — G9 LEDs top out at about 500 lm, so for more light choose a fitting with more bulbs. 499 of our lights take it — lights, not bulbs, from £37.

G9 · capsule · 4000 K · change

Lights for this

50 bulbs
The first 50 are shown, best fit first
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The numbers for this situation

  • Colour temperature4000 K
  • Lights here that take this bulb499
  • Lights that take it, from£37
  • Like an old 40 W bulb470 lm
  • Brightest G9 LED bulbs≈400–500 lmtypical top of the range on sale
  • LED watts for 470 lm5 W≈, at 100 lm/W

Worked out, not measured

Where these numbers come from

  • Lumen equivalence from the ecodesign table; lights filtered by stated socket, suitable fitting and room. Checked against 680 matching lights in our catalogue snapshot of 2026-09-27; 499 can be bought now. Same sums on every page, release families-2026-09-29.

All the numbers

Old bulb (W)LED lumensLED watts ≈
151361
252492
404705

Related

G9 · capsule · 6000 K