Maintenance Factor Calculator
Estimate a compound maintenance factor from lumen, luminaire, room, and cleaning assumptions.
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Maintained vs Initial Lux Calculator
Compare initial and maintained illuminance using a supplied maintenance factor.
Maintained Illuminance Schedule Builder
Build a maintained-illuminance schedule from space, task plane, target, UF, and MF assumptions.
Maintained Lumen Requirement Calculator
Convert a maintained illuminance target into maintained and initial lumen requirements.
Lux to Lumens Calculator
Estimate the initial lumens required from area, target illuminance, utilisation, and maintenance assumptions.
Luminaire Efficacy Calculator
Calculate system luminous efficacy in lumens per watt using luminaire output and input power.
Luminaire Lumen Input Normalizer
Normalize lamp or luminaire lumen inputs into a canonical system-lumen estimate.
Lumens to Lux Calculator
Estimate average illuminance from lumens, area, utilisation, and maintenance assumptions.
Living Room Lighting Planner
Estimate ambient and accent lighting quantities for a living room from room dimensions and planning assumptions.
Lighting Control Zoning Planner
Build a control-zone schedule from room, tenant, operating-hour, daylight, and override assumptions.