Candela per Square Meter to Candela per Square Inch Conversion

Convert between Candela per Square Meter and Candela per Square Inch quickly and accurately.

cd/m²
cd/in²

How to Convert Candela per Square Meter to Candela per Square Inch

Conversion Formula

1 cd/m² = 0.001 cd/in²
1 cd/in² = 1550.003 cd/m²

Example

Convert 15 cd/m² to cd/in²:

15 cd/m² = 15 × 0.001 cd/in² = 0.01 cd/in²

Unit Information

Learn about the luminance units you're converting between

Candela per Square Meter

cd/m²

Definition

The Candela per Square Meter is the SI derived unit of luminance, representing the luminous intensity per unit area of light traveling in a given direction. It quantifies how much light is emitted or reflected from a surface area.

History/Origin

Derived from the SI base units of luminous intensity (candela) and area (square meter), this unit was established as part of the modern metric system. It provides a standardized way to measure surface brightness and is fundamental to photometry and lighting design.

Current Use

Widely used in lighting engineering, display technology, and photometry for measuring screen brightness, surface illumination, and light output. Essential for designing lighting systems, evaluating display performance, and ensuring proper illumination levels in various applications.

Multiplier

1

Offset

0

Candela per Square Inch

cd/in²

Definition

The Candela per Square Inch is an imperial unit of luminance, representing the luminous intensity per unit area using the square inch as the area unit. It is used for measuring very bright light sources and small-area displays.

History/Origin

This unit was developed for applications requiring precise measurement of small, bright light sources where square inches provide a more appropriate area reference. It is particularly useful in electronics and display technology where component sizes are measured in inches.

Current Use

Commonly used in electronics manufacturing, small display technology, and precision lighting applications. Essential for measuring LED arrays, small screens, and compact light sources where square inch measurements are standard.

Multiplier

1550.003

Offset

0

Candela per Square Meter to Candela per Square Inch Conversion Table

Candela per Square Meter [cd/m²] Candela per Square Inch [cd/in²]
1 cd/m² 0.000645 cd/in²
10 cd/m² 0.006452 cd/in²
25 cd/m² 0.016129 cd/in²
50 cd/m² 0.032258 cd/in²
100 cd/m² 0.064516 cd/in²
0 cd/m² 0E+0 cd/in²
-10 cd/m² -0.006452 cd/in²
-40 cd/m² -0.025806 cd/in²