Convert Phot to Kilolux

Input the number of phots you want to convert to kilolux.

1 ph (phots) = 10 klx (kilolux)

How to Convert Phots to Kilolux

The phot and kilolux are both units of illuminance. By definition, 1 phot equals exactly 10 kilolux. This means to convert phots to kilolux, you multiply by 10.

Formula

kilolux = phots × 10

Step-by-Step Example

Convert 5 ph to kilolux:

1
Convert 5 ph to kilolux

We need to convert phots to kilolux

2
Apply the formula

Since 1 ph = 10 klx, multiply by 10

5 × 10 = 50

Answer

5 ph = 50 klx

Phot to Kilolux Conversion Table

Quick reference table for common phot to kilolux conversions. Click any value for detailed calculation.

Phots (ph) Kilolux (klx)
1 ph 10 klx
2 ph 20 klx
5 ph 50 klx
10 ph 100 klx
15 ph 150 klx
20 ph 200 klx
25 ph 250 klx
50 ph 500 klx
100 ph 1000 klx

About These Units

Phot (ph)

The phot (ph) is the CGS unit of illuminance equal to 10,000 lux or 1 lumen per square centimeter. Very bright: full sunlight is about 10 phots. Found in older scientific literature. One phot = 929 foot-candles. Largely replaced by lux in modern usage.

Kilolux (klx)

A kilolux (klx) equals 1,000 lux. Measures bright conditions: overcast day 1-2 klx, indirect sunlight 10-25 klx, direct sunlight 32-100 klx. Used in greenhouse lighting, photography exposure, and solar energy calculations. One kilolux = 1,000 lux.

Frequently Asked Questions

How do I convert phots to kilolux?

To convert phots to kilolux, multiply the value by 10. For example, 10 ph = 100 klx.

How many kilolux are in 1 phot?

1 phot equals 10 kilolux.

What is the formula for phots to kilolux?

The formula is: klx = ph × 10.