Illumination Calculator

✖Luminous flux is a measure of the total amount of light emitted by a light source in all directions. It quantifies the overall brightness or output of the source.ⓘ Luminous Flux [F]			+10% -10%
✖Area of illumination refers to the size or extent of the space covered by light from a source, determining the reach and coverage of light in that area.ⓘ Area of Illumination [A]			+10% -10%

✖Illumination intensity refers to the level or strength of light in a given area. It quantifies the amount of light reaching a surface and is typically measured in units such as lux or foot-candles.ⓘ Illumination [E_v]

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Illumination Solution

STEP 0: Pre-Calculation Summary

Formula Used

Illumination Intensity = Luminous Flux/Area of Illumination
E_v = F/A
This formula uses 3 Variables

Variables Used

Illumination Intensity - (Measured in Lux) - Illumination intensity refers to the level or strength of light in a given area. It quantifies the amount of light reaching a surface and is typically measured in units such as lux or foot-candles.
Luminous Flux - (Measured in Lumen) - Luminous flux is a measure of the total amount of light emitted by a light source in all directions. It quantifies the overall brightness or output of the source.
Area of Illumination - (Measured in Square Meter) - Area of illumination refers to the size or extent of the space covered by light from a source, determining the reach and coverage of light in that area.

STEP 1: Convert Input(s) to Base Unit

Luminous Flux: 42 Lumen --> 42 Lumen No Conversion Required
Area of Illumination: 41 Square Meter --> 41 Square Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

E_v = F/A --> 42/41

Evaluating ... ...

E_v = 1.02439024390244

STEP 3: Convert Result to Output's Unit

1.02439024390244 Lux --> No Conversion Required

FINAL ANSWER

1.02439024390244 ≈ 1.02439 Lux <-- Illumination Intensity

(Calculation completed in 00.004 seconds)

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Credits

Created by Prahalad Singh

Jaipur Engineering College and Research Centre (JECRC), Jaipur

Prahalad Singh has created this Calculator and 100+ more calculators!

Verified by Payal Priya

Birsa Institute of Technology (BIT), Sindri

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< Illumination Parameters Calculators

Number of Lamps Required for Illumination

LaTeX Go Number of Lamp = (Illumination Intensity*Area of Illumination)/(Luminous Flux*Utilization Factor*Maintenance Factor)

Reduction Factor

LaTeX Go Reduction Factor = Mean Spherical Candle Power/Mean Horizontal Candle Power

Solid Angle

LaTeX Go Solid Angle = Area of Illumination/(Radius of Illumination^2)

Mean Spherical Candle Power

LaTeX Go Mean Spherical Candle Power = Luminous Flux/(4*pi)

Illumination Formula

LaTeX Go

Illumination Intensity = Luminous Flux/Area of Illumination
E_v = F/A

What is the Inverse Square law of illumination?

This law states that the Illuminance (E) at any point on a plane perpendicular to the line joining the point and source is inversely proportional to the square of the distance between the source and plane.

How to Calculate Illumination?

Illumination calculator uses Illumination Intensity = Luminous Flux/Area of Illumination to calculate the Illumination Intensity, The Illumination formula is defined as the number of lumens, falling on the surface, per unit area. It is denoted by symbol E and is measured in lumens per square meter or lux or meter-candela. Illumination Intensity is denoted by E_v symbol.

How to calculate Illumination using this online calculator? To use this online calculator for Illumination, enter Luminous Flux (F) & Area of Illumination (A) and hit the calculate button. Here is how the Illumination calculation can be explained with given input values -> 1.02439 = 42/41.

FAQ

What is Illumination?

The Illumination formula is defined as the number of lumens, falling on the surface, per unit area. It is denoted by symbol E and is measured in lumens per square meter or lux or meter-candela and is represented as E_v = F/A or Illumination Intensity = Luminous Flux/Area of Illumination. Luminous flux is a measure of the total amount of light emitted by a light source in all directions. It quantifies the overall brightness or output of the source & Area of illumination refers to the size or extent of the space covered by light from a source, determining the reach and coverage of light in that area.

How to calculate Illumination?

The Illumination formula is defined as the number of lumens, falling on the surface, per unit area. It is denoted by symbol E and is measured in lumens per square meter or lux or meter-candela is calculated using Illumination Intensity = Luminous Flux/Area of Illumination. To calculate Illumination, you need Luminous Flux (F) & Area of Illumination (A). With our tool, you need to enter the respective value for Luminous Flux & Area of Illumination and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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