Millicandelas to Lumens per steradian Converter

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

Quick answer: To convert millicandelas to lumens per steradian, multiply by 0.001. For example, 10 mcd is 0.01 lm/sr. One millicandela equals 0.001 lm/sr.

Use the Millicandelas to Lumens per steradian Converter

Millicandelas to Lumens per steradian formula and what each symbol means

lm/sr = mcd × 0.001

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

Millicandelas to Lumens per steradian examples

1 mcd

1 mcd × 0.001 = 0.001 lm/sr.

10 mcd

10 mcd × 0.001 = 0.01 lm/sr.

100 mcd

100 mcd × 0.001 = 0.1 lm/sr.

Millicandelas compared with Lumens per steradian

One lm/sr is 1,000 times as large as one mcd, so your number gets smaller when you convert millicandelas to lumens per steradian and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.

About millicandelas and lumens per steradian

Millicandela (mcd): One thousandth of a candela. Lumen per steradian (lm/sr): Lumen per steradian, equal to one candela.

How to calculate Millicandelas to Lumens per steradian step by step

  1. Enter the value in mcd (the starting unit).
  2. Multiply by 0.001, because 1 mcd = 0.001 lm/sr.
  3. The product is the value in lm/sr. To go back, divide by 0.001 or multiply by 1,000.

Popular luminous intensity conversions

How to read your Millicandelas to Lumens per steradian result

Luminous intensity is light power per unit solid angle.

MILLICANDELASLUMENS PER STERADIAN
10.001
20.002
50.005
100.01
200.02
500.05
1000.1
1,0001

Lumens per steradian to Millicandelas: quick table

LUMENS PER STERADIANMILLICANDELAS
11,000
55,000
1010,000
2525,000
5050,000
100100,000
250250,000
500500,000

Common mistakes when calculating Millicandelas to Lumens per steradian

  • Mixing cd and mcd, which differ by 1,000.
  • Dividing when you should multiply: from mcd to lm/sr multiply by 0.001; from lm/sr to mcd divide by 0.001.

Millicandelas to Lumens per steradian FAQ

How many lm/sr are in 1 mcd?

1 mcd equals 0.001 lm/sr.

How many mcd are in 1 lm/sr?

1 lm/sr equals 1,000 mcd.

Is 1 mcd = 0.001 lm/sr an exact conversion?

The factor is shown rounded to 7 significant figures (0.001). The calculator above uses more digits.

What is a millicandela (mcd)?

One thousandth of a candela.

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

One lm/sr is 1,000 times as large as one mcd, so your number gets smaller when you convert millicandelas to lumens per steradian and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.

What is 0.5 mcd in lumens per steradian?

0.5 mcd = 0.0005 lm/sr (since 0.5 × 0.001).

What is 25 mcd in lumens per steradian?

25 mcd = 0.025 lm/sr (since 25 × 0.001).

What is 80 mcd in lumens per steradian?

80 mcd = 0.08 lm/sr (since 80 × 0.001).

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

Match the precision of your original measurement. For example, 0.01 lm/sr rounds to 0.01 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)