Candelas per square meter to Foot-lamberts Converter
Quick answer: To convert candelas per square meter to foot-lamberts, multiply by 0.2918635. For example, 10 cd/m² is 2.918635 fL. One candela per square meter equals 0.2918635 fL.
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Use the Candelas per square meter to Foot-lamberts Converter
Candelas per square meter to Foot-lamberts formula and what each symbol means
fL = cd/m² × 0.2918635
| Symbol | Meaning |
|---|---|
| cd/m² | Candela per square meter |
| fL | Foot-lambert |
Candelas per square meter to Foot-lamberts examples
1 cd/m²
1 cd/m² × 0.2918635 = 0.2918635 fL.
10 cd/m²
10 cd/m² × 0.2918635 = 2.918635 fL.
100 cd/m²
100 cd/m² × 0.2918635 = 29.18635 fL.
Candelas per square meter compared with Foot-lamberts
One fL is 3.426 times as large as one cd/m², so your number gets smaller when you convert candelas per square meter to foot-lamberts and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About candelas per square meter and foot-lamberts
Candela per square meter (cd/m²): The SI unit of luminance, also called the nit. Foot-lambert (fL): The foot-lambert, about 3.4263 cd/m².
How to calculate Candelas per square meter to Foot-lamberts step by step
- Enter the value in cd/m² (the starting unit).
- Multiply by 0.2918635, because 1 cd/m² = 0.2918635 fL.
- The product is the value in fL. To go back, divide by 0.2918635 or multiply by 3.426259.
Popular luminance conversions
How to read your Candelas per square meter to Foot-lamberts result
Quick estimate: multiply by about 0.29 to get foot-lamberts from candelas per square meter; this is within 0.7% of the exact factor. Luminance is luminous intensity per unit area of a source.
| CANDELAS PER SQUARE METER | FOOT-LAMBERTS |
|---|---|
| 1 | 0.2918635 |
| 2 | 0.583727 |
| 5 | 1.459318 |
| 10 | 2.918635 |
| 20 | 5.83727 |
| 50 | 14.59318 |
| 100 | 29.18635 |
| 1,000 | 291.8635 |
Foot-lamberts to Candelas per square meter: quick table
| FOOT-LAMBERTS | CANDELAS PER SQUARE METER |
|---|---|
| 1 | 3.426259 |
| 5 | 17.1313 |
| 10 | 34.26259 |
| 25 | 85.65648 |
| 50 | 171.313 |
| 100 | 342.6259 |
| 250 | 856.5648 |
| 500 | 1,713.13 |
Common mistakes when calculating Candelas per square meter to Foot-lamberts
- Confusing luminance (a surface’s brightness) with illuminance (light falling on a surface).
- Dividing when you should multiply: from cd/m² to fL multiply by 0.2918635; from fL to cd/m² divide by 0.2918635.
Candelas per square meter to Foot-lamberts FAQ
How many fL are in 1 cd/m²?
1 cd/m² equals 0.2918635 fL.
How many cd/m² are in 1 fL?
1 fL equals 3.426259 cd/m².
Is 1 cd/m² = 0.2918635 fL an exact conversion?
The factor is shown rounded to 7 significant figures (0.2918635). The calculator above uses more digits.
What is a candela per square meter (cd/m²)?
The SI unit of luminance, also called the nit.
How can I estimate candelas per square meter to foot-lamberts in my head?
Quick estimate: multiply by about 0.29 to get foot-lamberts from candelas per square meter; this is within 0.7% of the exact factor.
What is 150 cd/m² in foot-lamberts?
150 cd/m² = 43.77953 fL (since 150 × 0.2918635).
What is 0.5 cd/m² in foot-lamberts?
0.5 cd/m² = 0.1459318 fL (since 0.5 × 0.2918635).
What is 25 cd/m² in foot-lamberts?
25 cd/m² = 7.296588 fL (since 25 × 0.2918635).
How many decimals should I keep when converting cd/m² to fL?
Match the precision of your original measurement. For example, 2.918635 fL rounds to 2.92 fL at 3 significant figures; keep more digits only for engineering or scientific work.
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST SP 811, Appendix B.8: conversion factors, BIPM: the International System of Units (SI)