Candelas to Lumens per steradian Converter

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

Quick answer: To convert candelas to lumens per steradian, multiply by 1. For example, 10 cd is 10 lm/sr. One candela equals 1 lm/sr.

Use the Candelas to Lumens per steradian Converter

Candelas to Lumens per steradian formula and what each symbol means

lm/sr = cd × 1

Symbols used in the formula
SymbolMeaning
cdCandela
lm/srLumen per steradian

Candelas to Lumens per steradian examples

1 cd

1 cd × 1 = 1 lm/sr.

10 cd

10 cd × 1 = 10 lm/sr.

100 cd

100 cd × 1 = 100 lm/sr.

Candelas compared with Lumens per steradian

One cd and one lm/sr are almost the same size, so the numbers stay close; check the factor for the small difference.

About candelas and lumens per steradian

Candela (cd): The candela, the SI base unit of luminous intensity. Lumen per steradian (lm/sr): Lumen per steradian, equal to one candela.

How to calculate Candelas to Lumens per steradian step by step

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

Popular luminous intensity conversions

How to read your Candelas to Lumens per steradian result

Luminous intensity is light power per unit solid angle.

CANDELASLUMENS PER STERADIAN
11
22
55
1010
2020
5050
100100
1,0001,000

Lumens per steradian to Candelas: quick table

LUMENS PER STERADIANCANDELAS
11
55
1010
2525
5050
100100
250250
500500

Common mistakes when calculating Candelas to Lumens per steradian

  • Confusing luminous intensity (cd) with luminous flux (lm).
  • Dividing when you should multiply: from cd to lm/sr multiply by 1; from lm/sr to cd divide by 1.

Candelas to Lumens per steradian FAQ

How many lm/sr are in 1 cd?

1 cd equals 1 lm/sr.

How many cd are in 1 lm/sr?

1 lm/sr equals 1 cd.

Is 1 cd = 1 lm/sr an exact conversion?

The factor is shown rounded to 7 significant figures (1). The calculator above uses more digits.

What is a lumen per steradian (lm/sr)?

Lumen per steradian, equal to one candela.

How can I estimate candelas to lumens per steradian in my head?

One cd and one lm/sr are almost the same size, so the numbers stay close; check the factor for the small difference.

What is 150 cd in lumens per steradian?

150 cd = 150 lm/sr (since 150 × 1).

What is 0.5 cd in lumens per steradian?

0.5 cd = 0.5 lm/sr (since 0.5 × 1).

What is 25 cd in lumens per steradian?

25 cd = 25 lm/sr (since 25 × 1).

How many decimals should I keep when converting cd to lm/sr?

Match the precision of your original measurement. For example, 10 lm/sr rounds to 10 lm/sr at 3 significant figures; keep more digits only for engineering or scientific work.

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)