Candela per square inch (cd/in²)
One candela per square inch: 1 ÷ 0.00064516 cd/m².
What is a candela per square inch?
- Symbol
- cd/in²
- Quantity
- Luminance
- Unit system
- US customary
- Definition
- One candela per square inch: 1 ÷ 0.00064516 cd/m².
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Found in some older US specifications for instrument panels and illuminated displays.
Candela per square inch in other luminance units
- 1 cd/in² ≈ 1550.0031 cd/m²Candela per square meter (nit)
- 1 cd/in² ≈ 1.5500031 kcd/m²Kilocandela per square meter
- 1 cd/in² ≈ 0.15500031 sbStilb
- 1 cd/in² = 144 cd/ft²Candela per square foot
- 1 cd/in² ≈ 452.3893421 fLFoot-lambert
- 1 cd/in² ≈ 0.4869478352 LaLambert
- 1 cd/in² ≈ 4869.478352 asbApostilb
Candela per square inch quick reference
| Candela per square inch | Candela per square meter (nit) | Foot-lambert | Kilocandela per square meter |
|---|---|---|---|
| 1 cd/in² | ≈ 1550.0031 cd/m² | ≈ 452.3893421 fL | ≈ 1.5500031 kcd/m² |
| 10 cd/in² | ≈ 15500.031 cd/m² | ≈ 4523.893421 fL | ≈ 15.500031 kcd/m² |
| 100 cd/in² | ≈ 155000.31 cd/m² | ≈ 45238.93421 fL | ≈ 155.00031 kcd/m² |
| 1000 cd/in² | ≈ 1550003.1 cd/m² | ≈ 452389.3421 fL | ≈ 1550.0031 kcd/m² |
Where the candela per square inch fits
The next smaller luminance unit is the kilocandela per square meter (kcd/m²). 1 cd/in² ≈ 1.5500031 kcd/m², and 1 kcd/m² = 0.64516 cd/in².
The next larger luminance unit is the lambert (La). 1 cd/in² ≈ 0.4869478352 La, and 1 La ≈ 2.053608062 cd/in².
Frequently asked questions
- How many candelas per square meter are in one candela per square inch?
- One candela per square inch ≈ 1550.0031 cd/m² (candelas per square meter).
- How many foot-lamberts are in one candela per square inch?
- One candela per square inch ≈ 452.3893421 fL (foot-lamberts).
- How many kilocandelas per square meter are in one candela per square inch?
- One candela per square inch ≈ 1.5500031 kcd/m² (kilocandelas per square meter).