Foot-lamberts to Candelas per square foot Converter

ConversionEdited by Hemant Kumar and Anjita Rai, founders · How we checkUpdated Free · No sign-up

Quick answer: To convert foot-lamberts to candelas per square foot, multiply by 0.3183099. For example, 10 fL is 3.183099 cd/ft². One foot-lambert equals 0.3183099 cd/ft².

Use the Foot-lamberts to Candelas per square foot Converter

Foot-lamberts to Candelas per square foot formula and what each symbol means

cd/ft² = fL × 0.3183099

Symbols used in the formula
SymbolMeaning
fLFoot-lambert
cd/ft²Candela per square foot

Foot-lamberts to Candelas per square foot examples

1 fL

1 fL × 0.3183099 = 0.3183099 cd/ft².

10 fL

10 fL × 0.3183099 = 3.183099 cd/ft².

100 fL

100 fL × 0.3183099 = 31.83099 cd/ft².

Foot-lamberts compared with Candelas per square foot

One cd/ft² is 3.142 times as large as one fL, so your number gets smaller when you convert foot-lamberts to candelas per square foot and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.

About foot-lamberts and candelas per square foot

Foot-lambert (fL): The foot-lambert, about 3.4263 cd/m². Candela per square foot (cd/ft²): Candela per square foot, about 10.7639 cd/m².

How to calculate Foot-lamberts to Candelas per square foot step by step

  1. Enter the value in fL (the starting unit).
  2. Multiply by 0.3183099, because 1 fL = 0.3183099 cd/ft².
  3. The product is the value in cd/ft². To go back, divide by 0.3183099 or multiply by 3.141593.

Popular luminance conversions

How to read your Foot-lamberts to Candelas per square foot result

Quick estimate: multiply by about 0.32 to get candelas per square foot from foot-lamberts; this is within 0.6% of the exact factor. The SI unit is candela per square metre, also called the nit.

FOOT-LAMBERTSCANDELAS PER SQUARE FOOT
10.3183099
20.6366198
51.591549
103.183099
206.366198
5015.91549
10031.83099
1,000318.3099

Candelas per square foot to Foot-lamberts: quick table

CANDELAS PER SQUARE FOOTFOOT-LAMBERTS
13.141593
515.70796
1031.41593
2578.53982
50157.0796
100314.1593
250785.3982
5001,570.796

Common mistakes when calculating Foot-lamberts to Candelas per square foot

  • Mixing foot-lamberts and foot-candles.
  • Dividing when you should multiply: from fL to cd/ft² multiply by 0.3183099; from cd/ft² to fL divide by 0.3183099.

Foot-lamberts to Candelas per square foot FAQ

How many cd/ft² are in 1 fL?

1 fL equals 0.3183099 cd/ft².

How many fL are in 1 cd/ft²?

1 cd/ft² equals 3.141593 fL.

Is 1 fL = 0.3183099 cd/ft² an exact conversion?

The factor is shown rounded to 7 significant figures (0.3183099). The calculator above uses more digits.

What is a candela per square foot (cd/ft²)?

Candela per square foot, about 10.7639 cd/m².

How can I estimate foot-lamberts to candelas per square foot in my head?

Quick estimate: multiply by about 0.32 to get candelas per square foot from foot-lamberts; this is within 0.6% of the exact factor.

What is 200 fL in candelas per square foot?

200 fL = 63.66198 cd/ft² (since 200 × 0.3183099).

What is 3 fL in candelas per square foot?

3 fL = 0.9549297 cd/ft² (since 3 × 0.3183099).

What is 30 fL in candelas per square foot?

30 fL = 9.549297 cd/ft² (since 30 × 0.3183099).

How many decimals should I keep when converting fL to cd/ft²?

Match the precision of your original measurement. For example, 3.183099 cd/ft² rounds to 3.18 cd/ft² 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)