Convert Lumen per Square Centimeter to Lumen per Square Inch

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

1 lm/cm² (lumens per square centimeter) = 6.4516 lm/in² (lumens per square inch)

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

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

Formula

lumens per square inch = lumens per square centimeter × 6.4516

Step-by-Step Example

Convert 5 lm/cm² to lumens per square inch:

1
Convert 5 lm/cm² to lumens per square inch

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

2
Apply the formula

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

5 × 6.4516 = 32.258

Answer

5 lm/cm² = 32.258 lm/in²

Lumen per Square Centimeter to Lumen per Square Inch Conversion Table

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

Lumens per Square Centimeter (lm/cm²) Lumens per Square Inch (lm/in²)
1 lm/cm² 6.4516 lm/in²
2 lm/cm² 12.9032 lm/in²
5 lm/cm² 32.258 lm/in²
10 lm/cm² 64.516 lm/in²
15 lm/cm² 96.774 lm/in²
20 lm/cm² 129.032 lm/in²
25 lm/cm² 161.29 lm/in²
50 lm/cm² 322.58 lm/in²
100 lm/cm² 645.16 lm/in²

About These Units

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.

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.

Frequently Asked Questions

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

To convert lumens per square centimeter to lumens per square inch, multiply the value by 6.4516. For example, 10 lm/cm² = 64.516 lm/in².

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

1 lumen per square centimeter equals 6.4516 lumens per square inch.

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

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