Foot-lamberts to Candelas per square meter Converter
Quick answer: To convert foot-lamberts to candelas per square meter, multiply by 3.426259. For example, 10 fL is 34.26259 cd/m². One foot-lambert equals 3.426259 cd/m².
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Use the Foot-lamberts to Candelas per square meter Converter
Foot-lamberts to Candelas per square meter formula and what each symbol means
cd/m² = fL × 3.426259
| Symbol | Meaning |
|---|---|
| fL | Foot-lambert |
| cd/m² | Candela per square meter |
Foot-lamberts to Candelas per square meter examples
1 fL
1 fL × 3.426259 = 3.426259 cd/m².
10 fL
10 fL × 3.426259 = 34.26259 cd/m².
100 fL
100 fL × 3.426259 = 342.6259 cd/m².
Foot-lamberts compared with Candelas per square meter
One fL is 3.426 times as large as one cd/m², so your number gets bigger when you convert foot-lamberts to candelas per square meter and smaller when you convert back. If the answer is not larger than what you typed, you divided instead of multiplying.
About foot-lamberts and candelas per square meter
Foot-lambert (fL): The foot-lambert, about 3.4263 cd/m². Candela per square meter (cd/m²): The SI unit of luminance, also called the nit.
How to calculate Foot-lamberts to Candelas per square meter step by step
- Enter the value in fL (the starting unit).
- Multiply by 3.426259, because 1 fL = 3.426259 cd/m².
- The product is the value in cd/m². To go back, divide by 3.426259 or multiply by 0.2918635.
Popular luminance conversions
How to read your Foot-lamberts to Candelas per square meter result
Quick estimate: multiply by about 3.4 to get candelas per square meter from foot-lamberts; this is within 0.8% of the exact factor. Luminance is luminous intensity per unit area of a source.
| FOOT-LAMBERTS | CANDELAS PER SQUARE METER |
|---|---|
| 1 | 3.426259 |
| 2 | 6.852518 |
| 5 | 17.1313 |
| 10 | 34.26259 |
| 20 | 68.52518 |
| 50 | 171.313 |
| 100 | 342.6259 |
| 1,000 | 3,426.259 |
Candelas per square meter to Foot-lamberts: quick table
| CANDELAS PER SQUARE METER | FOOT-LAMBERTS |
|---|---|
| 1 | 0.2918635 |
| 5 | 1.459318 |
| 10 | 2.918635 |
| 25 | 7.296588 |
| 50 | 14.59318 |
| 100 | 29.18635 |
| 250 | 72.96588 |
| 500 | 145.9318 |
Common mistakes when calculating Foot-lamberts to Candelas per square meter
- Confusing luminance (a surface’s brightness) with illuminance (light falling on a surface).
- Dividing when you should multiply: from fL to cd/m² multiply by 3.426259; from cd/m² to fL divide by 3.426259.
Foot-lamberts to Candelas per square meter FAQ
How many cd/m² are in 1 fL?
1 fL equals 3.426259 cd/m².
How many fL are in 1 cd/m²?
1 cd/m² equals 0.2918635 fL.
Is 1 fL = 3.426259 cd/m² an exact conversion?
The factor is shown rounded to 7 significant figures (3.426259). The calculator above uses more digits.
What is a foot-lambert (fL)?
The foot-lambert, about 3.4263 cd/m².
How can I estimate foot-lamberts to candelas per square meter in my head?
Quick estimate: multiply by about 3.4 to get candelas per square meter from foot-lamberts; this is within 0.8% of the exact factor.
What is 40 fL in candelas per square meter?
40 fL = 137.0504 cd/m² (since 40 × 3.426259).
What is 200 fL in candelas per square meter?
200 fL = 685.2518 cd/m² (since 200 × 3.426259).
What is 3 fL in candelas per square meter?
3 fL = 10.27878 cd/m² (since 3 × 3.426259).
How many decimals should I keep when converting fL to cd/m²?
Match the precision of your original measurement. For example, 34.26259 cd/m² rounds to 34.3 cd/m² at 3 significant figures; keep more digits only for engineering or scientific work.
More in Luminance converters
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- Candelas per square foot to Foot-lamberts Converter
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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)