Convert Lumen per Square Inch to Lumen per Square Centimeter

Enter the number of lumens per square inch that you want to convert to lumens per square centimeter.

1 lm/in² (lumens per square inch) = 0.15500031 lm/cm² (lumens per square centimeter)

How to Convert Lumens per Square Inch to Lumens per Square Centimeter

The lumen per square inch and lumen per square centimeter are both units of illuminance. 1 lumen per square centimeter equals 6.4516 lumens per square inch. This means to convert lumens per square inch to lumens per square centimeter, you divide by 6.4516.

Formula

lumens per square centimeter = lumens per square inch ÷ 6.4516

Step-by-Step Example

Convert 5 lm/in² to lumens per square centimeter:

1
Convert 5 lm/in² to lumens per square centimeter

We need to convert lumens per square inch to lumens per square centimeter

2
Apply the formula

Since 1 lm/cm² = 6.4516 lm/in², divide by 6.4516

5 ÷ 6.4516 = 0.77500155

Answer

5 lm/in² = 0.77500155 lm/cm²

Lumen per Square Inch to Lumen per Square Centimeter Conversion Table

Quick reference table for common lumen per square inch to lumen per square centimeter conversions. Click any value for detailed calculation.

Lumens per Square Inch (lm/in²) Lumens per Square Centimeter (lm/cm²)
1 lm/in² 0.15500031 lm/cm²
2 lm/in² 0.31000062 lm/cm²
5 lm/in² 0.77500155 lm/cm²
10 lm/in² 1.5500031 lm/cm²
15 lm/in² 2.32500465 lm/cm²
20 lm/in² 3.1000062 lm/cm²
25 lm/in² 3.87500775 lm/cm²
50 lm/in² 7.7500155 lm/cm²
100 lm/in² 15.500031 lm/cm²

About These Units

Lumen per Square Inch (lm/in²)

Lumens per square inch (lm/in²) equals 1,550 lux or 144 foot-candles. Used for high-intensity illumination of small areas: display lighting, inspection systems, and microscopy. One lm/in² = 144 lm/ft². Rarely used; lux or foot-candles preferred.

Lumen per Square Centimeter (lm/cm²)

Lumens per square centimeter (lm/cm²) equals 10,000 lux or 1 phot. Used in scientific contexts for high-intensity illumination. One lm/cm² represents intense light levels found in specialized applications like projection systems and concentrated solar power.

Frequently Asked Questions

How do I convert lumens per square inch to lumens per square centimeter?

To convert lumens per square inch to lumens per square centimeter, divide the value by 6.4516. For example, 10 lm/in² = 1.5500031 lm/cm².

How many lumens per square centimeter are in 1 lumen per square inch?

1 lumen per square inch equals 0.15500031 lumens per square centimeter.

What is the formula for lumens per square inch to lumens per square centimeter?

The formula is: lm/cm² = lm/in² ÷ 6.4516.