Lux Meter: Light Meter

Lux Meter is the most accurate digital lux meter, light meter, and illuminance sensor for Android. Read live ambient light in lux (lx) or foot-candles (fc) in seconds.

Whether you're setting up plant grow lights, tuning office lighting, or shooting photography, Lux Meter turns your phone into a precision photometer.

▶ MAIN FEATURES

• Lux meter — live illuminance reading (lx and fc)

• Light meter — ambient light strength gauge

• Illuminance chart — last 60 seconds of readings

• Calibration with known reference value

• Min/Max/Average tracking

• Hold mode locks the value hands-free

• Audio + vibration feedback over threshold

• Switch units: lux (lx), foot-candles (fc)

• Dark mode for cinema and theater use

• Works fully offline — no account, no ads block

▶ HOW TO USE

1. Open Lux Meter and uncover the front-facing light sensor

2. Point the sensor toward the light source

3. Read live lux/fc value on the gauge

4. Tap "Hold" to freeze the reading

▶ WHO USES LUX METER

• Photographers metering ambient light for exposure

• Cinematographers setting scene lighting

• Plant growers verifying grow-light intensity

• Office managers tuning workspace illumination

• Aquarium keepers checking light for coral

• Architects designing daylight integration

• OSHA inspectors verifying workplace lighting

• Stage technicians setting theater levels

• Photographers checking ambient before flash

• Educators teaching photometry

Replace bulky standalone lux meters with a tool you already carry. Lux Meter is fast, accurate, and free.