Fixture Configuration Builder

1Family
2Size
3Optic
4Lumens
5CCT
6CRI
7Driver
8Finish
1 Fixture family
Recessed downlightCeiling recessed can
Surface mountCeiling disk / drum
Track headAdjustable spot
Wall sconceDecorative / wash
LinearLED strip / batten
2 Aperture / size
3″Low profile
4″Compact
6″Standard
8″High output
3 Optic / beam angle
15° SpotAccent / retail
25° Narrow floodAccent / display
40° FloodGeneral / task
60° Wide floodAmbient fill
90° Open reflectorMax spread
4 Lumen package
600 lm
800 lm
1,000 lm
1,200 lm
1,600 lm
2,200 lm
5 Color temperature
2700KWarm / residential
3000KWarm white
3500KNeutral white
4000KCool white
5000KDaylight
6 Color rendering (CRI)
CRI 80Standard / commercial
CRI 90+High fidelity
CRI 95+Museum / retail
7 Driver / dimming
Non-dimFixed output
0-10V dimCommercial standard
TRIAC/ELVResidential dim
DALIBMS / smart building
EmergencyBattery backup
WirelessBluetooth / Zigbee
8 Finish / color
WhiteRAL 9016
BlackRAL 9005
Satin nickelBrushed silver
BronzeOil-rubbed
GoldBrushed brass
AluminiumNatural anodised
Generated part number
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Live fixture preview
⚡ Application guidance
Specification summary

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Practical Notes

Specifying a fixture involves a series of choices, and each one affects the others. The family sets the form, such as a recessed downlight, a surface mount fixture, a track head, a wall sconce, or a linear luminaire. The size and aperture decide how much light it can put out and how it looks in the ceiling, and the optic sets the beam angle and how the light is spread.

The lumen package should match the room and the task, and the color temperature sets the mood, with warm tones around 2700 to 3000 kelvin for homes and neutral or cool tones for work areas. A color rendering index of 90 or higher shows colors more accurately, which matters in retail, kitchens, and galleries. The driver determines the dimming method, so check that it works with your controls, such as phase cut, 0 to 10 volt, or digital protocols.

Before you finalize a configuration, check the practical details. Make sure there is enough ceiling depth for a recessed fixture, that it has the rating needed for insulation contact or damp locations, and that the finish suits the room. Keep the order code from the builder so the fixture can be reordered or specified exactly.

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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.