Skip to main content
0 results ↑ ↓ navigate, ↵ select

Candelas/square centimeter to Lumens/sq. foot/steradian Converter (cd/cm² to lm/(ft²·sr))

Rate this converter 0 of 0 ratings
Instant calculation with 0ms overhead
Popular Converters
Live Conversion • ISO 80000-7:2019 Certified
1 Candela/square centimeter = 929.03043597 Lumen/sq. foot/steradian
1 cd/cm² = 929.030436 lm/(ft²·sr) • 1 lm/(ft²·sr) = 0.00107639 cd/cm²
Candela/square centimeter to Lumen/sq. foot/steradian: One Candela/square centimeter is equal to 929.03043597 Lumens/sq. foot/steradian.
Certified Authority Value
929.03043597
lm/(ft²·sr)
Exact: 1 lm/(ft²·sr) ≡ 0.001076391 cd/cm²
cd/cm²
cd/cm²
Swap to Lumen/sq. foot/steradian to Candela/square centimeter
Swap to Lumen/sq. foot/steradian to Candela/square centimeter
lm/(ft²·sr)
lm/(ft²·sr) 929.03043597
Quick Values:
Conversion Formula
To convert Candela/square centimeter to Lumen/sq. foot/steradian, multiply by 929.03043597
cd/cm² × 929.03043597 = lm/(ft²·sr)

Calculation: 1 cd/cm² × 929.03043597 = 929.03043597 lm/(ft²·sr)

Common Candela/square centimeter to Lumen/sq. foot/steradian Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Candela/square centimeter (cd/cm²) and Lumen/sq. foot/steradian (lm/(ft²·sr)).

Tap any row to calculate
Candela/square centimeter to Lumen/sq. foot/steradian: Primary Direct Table (15 Steps)
Candela/square centimeter to Lumen/sq. foot/steradian Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 cd/cm² 0.92903 lm/(ft²·sr) 9.29 × 10⁻¹
0.01 cd/cm² 9.290304 lm/(ft²·sr) 9.29 × 10⁰
0.1 cd/cm² 92.903044 lm/(ft²·sr) 9.29 × 10¹
0.5 cd/cm² 464.515218 lm/(ft²·sr) 4.645 × 10²
1 cd/cm² 929.030436 lm/(ft²·sr) 9.29 × 10²
2 cd/cm² 1858.060872 lm/(ft²·sr) 1.858 × 10³
5 cd/cm² 4645.15218 lm/(ft²·sr) 4.645 × 10³
10 cd/cm² 9290.30436 lm/(ft²·sr) 9.29 × 10³
20 cd/cm² 18580.608719 lm/(ft²·sr) 1.858 × 10⁴
25 cd/cm² 23225.760899 lm/(ft²·sr) 2.323 × 10⁴
50 cd/cm² 46451.521798 lm/(ft²·sr) 4.645 × 10⁴
100 cd/cm² 92903.043597 lm/(ft²·sr) 9.29 × 10⁴
250 cd/cm² 232257.608992 lm/(ft²·sr) 2.323 × 10⁵
500 cd/cm² 464515.217983 lm/(ft²·sr) 4.645 × 10⁵
1000 cd/cm² 929030.435966 lm/(ft²·sr) 9.29 × 10⁵
Lumen/sq. foot/steradian to Candela/square centimeter: Reciprocal Summary
Lumen/sq. foot/steradian to Candela/square centimeter Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 lm/(ft²·sr) 0.00107639 cd/cm² 1.076 × 10⁻³
5 lm/(ft²·sr) 0.00538196 cd/cm² 5.382 × 10⁻³
10 lm/(ft²·sr) 0.0107639 cd/cm² 1.076 × 10⁻²
50 lm/(ft²·sr) 0.0538196 cd/cm² 5.382 × 10⁻²
100 lm/(ft²·sr) 0.107639 cd/cm² 1.076 × 10⁻¹
View Complete 15-Row Lumen/sq. foot/steradian to Candela/square centimeter Table

Real-World Context & Everyday Benchmarks

Tap to load into converter

To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Candela/square centimeter (cd/cm²) and Lumen/sq. foot/steradian (lm/(ft²·sr)):

Candela/square centimeter References:

  • Commercial cinema movie theater projection screen brightness 0.005 cd/cm²
  • Standard indoor office computer desktop monitor peak brightness 0.03 cd/cm²
  • High-end smartphone HDR screen peak outdoor sunlight brightness 0.15 cd/cm²
  • Clear blue daytime sky zenith ambient luminance 0.5 cd/cm²

Lumen/sq. foot/steradian References:

  • Commercial cinema movie theater projection screen brightness 4.6452 lm/(ft²·sr)
  • Standard indoor office computer desktop monitor peak brightness 27.8709 lm/(ft²·sr)
  • High-end smartphone HDR screen peak outdoor sunlight brightness 139.35 lm/(ft²·sr)
  • Clear blue daytime sky zenith ambient luminance 464.52 lm/(ft²·sr)

Tap any benchmark above to automatically calculate its exact equivalent in Lumen/sq. foot/steradian.

ISQ Dimension: [L⁻² J] Coherent SI Unit: candela per square meter (cd/m²) Photometry, Radiometry, Optics & Acoustics

How to Convert Candela/square centimeter to Lumen/sq. foot/steradian

Converting Candela/square centimeter (cd/cm²) to Lumen/sq. foot/steradian (lm/(ft²·sr)) is a core calculation in Luminance, which measures the photometric luminous intensity emitted or reflected per unit area in a given direction. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 Candela/square centimeter equals 929.030436 Lumen/sq. foot/steradian, while 1 lm/(ft²·sr) equals 0.00107639 cd/cm².

Direct Factor1 cd/cm² = 929.030436 lm/(ft²·sr)
Inverse Ratio1 lm/(ft²·sr) = 0.00107639 cd/cm²
Conversion ScaleMetric SI to British Imperial / US Customary Bridge
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (candela per square meter (cd/m²)) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 cd/cm² = 10000 candela per square meter (cd/m²)
2. Target SI Bridge (ktarget):1 lm/(ft²·sr) = 10.76391 candela per square meter (cd/m²)
Step-by-step substitution for Candela/square centimeter → Lumen/sq. foot/steradian:V(lm/(ft²·sr)) = V(cd/cm²) × ( 10000 / 10.76391 ) = V(cd/cm²) × 929.030436
Mathematical FormulaValue in Lumen/sq. foot/steradian = Value in Candela/square centimeter × 929.03043597Direct computational formula applied for standard conversion.
Worked Example

Evaluating an input of 2.5 Candela/square centimeter (cd/cm²) produces 2322.57609 Lumen/sq. foot/steradian (lm/(ft²·sr)). In heavy-duty utility and industrial workloads, 1000 cd/cm² equals 929030.435966 lm/(ft²·sr).

Inverse check: 1 lm/(ft²·sr) = 0.00107639 cd/cm².

Understanding Candela/square centimeter and Lumen/sq. foot/steradian

Candela/square centimeter

cd/cm²
Standard Unit

A Candela/square centimeter (cd/cm²) is a recognized unit for luminance.

Applications & Practical Context

In practical luminance terms, a commercial cinema movie theater projection screen brightness equals 0.005 cd/cm², a standard indoor office computer desktop monitor peak brightness equals 0.03 cd/cm², a high-end smartphone HDR screen peak outdoor sunlight brightness equals 0.15 cd/cm².

Physical Setup

A physical magnitude of 1 cd/cm² corresponds to 10000 cd/m² in standard SI measurement.

Conversion to SI Unit: candela per square meter (cd/m²)
1 cd/cm² = 10000 cd/m²

Lumen/sq. foot/steradian

lm/(ft²·sr)
Imperial / US

A Lumen/sq. foot/steradian (lm/(ft²·sr)) is an imperial and US customary unit for luminance.

Applications & Practical Context

In practical luminance terms, a commercial cinema movie theater projection screen brightness equals 4.6452 lm/(ft²·sr), a standard indoor office computer desktop monitor peak brightness equals 27.8709 lm/(ft²·sr), a high-end smartphone HDR screen peak outdoor sunlight brightness equals 139.35 lm/(ft²·sr).

Physical Setup

A physical magnitude of 1 lm/(ft²·sr) corresponds to 10.76391 cd/m² in standard SI measurement.

Conversion to SI Unit: candela per square meter (cd/m²)
1 lm/(ft²·sr) = 10.76391 cd/m²

Domain Metrology & Engineering Applications

Governing Law & Equation

Surface Photometric Radiance (L_v = d²Φ_v / (dA·cosθ·dΩ))

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using narrow-angle spot luminance meters, imaging colorimeters, and spectroradiometers.

Primary Industry Sectors

Applied across OLED/LCD display brightness calibration (nits), road tunnel entrance lighting, avionics cockpit HUD readability, and highway signage legibility under international metrology standard ISO 80000-7:2019, CIE 018:2019.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering ReferenceReference ValueConverted to Lumen/sq. foot/steradian
Commercial cinema movie theater projection screen brightness50 cd/m²46451.521798 lm/(ft²·sr)
Standard indoor office computer desktop monitor peak brightness300 cd/m²278709.13079 lm/(ft²·sr)
High-end smartphone HDR screen peak outdoor sunlight brightness1500 cd/m²1393545.653949 lm/(ft²·sr)
Clear blue daytime sky zenith ambient luminance5000 cd/m²4645152.179831 lm/(ft²·sr)
Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-7:2019, CIE 018:2019 and the BIPM SI Brochure (9th Edition). Governed by Surface Photometric Radiance (L_v = d²Φ_v / (dA·cosθ·dΩ)) under ISO 80000 dimensional vector [L⁻² J].

Multi-Variable Engineering Bridge Display Brightness & Surface Emission

Surface Luminance to Total Luminous Intensity Bridge (Candela • Candlepower • Hefnerkerze • Millicandela • Kilocandela)

Calculate total directional luminous intensity I_v = L_v × A from emissive displays and optical diffusers, bridging surface luminance [L⁻² J] and luminous intensity [J] via aperture area (A).

I_v = L_v × A
Vector: [cd/m²] × [m²] → [cd]
Live Calculated Bridge Equivalent:
1 cd/cm² at 15.6" Laptop Display (0.067 m²) = 670 cd
Equals 683.4 cp • 741.69 HK • 69.814 carcel
SI Luminous Intensity
670
cd
Candela
Historical English
683.4
cp
Candlepower
German Standard
741.69
HK
Hefnerkerze
French Standard
69.814
carcel
Carcel Unit
Indicator LED
670000
mcd
Millicandela
Lighthouse Beacon
0.67
kcd
Kilocandela
  1. 1. Normalize Input to SI Base Unit (cd/m²):
    L_v = 1 cd/cm² × 10000 = 10000 cd/m²
  2. 2. Apply Engineering Parameter (A):
    Selected condition: 15.6" Laptop Display (0.067 m²) at A = 0.067 m²
  3. 3. Execute Governing Physical Law in SI Units:
    I_v = L_v × A = (10000 cd/m²) × (0.067 m²) = 670 cd
  4. 4. Convert to Standard Engineering Units:
    • cd: 670 × 1 = 670 cd (Candela) • cp: 670 × 1.02 = 683.4 cp (Candlepower) • HK: 670 × 1.107 = 741.69 HK (Hefnerkerze) • carcel: 670 × 0.1042 = 69.814 carcel (Carcel Unit) • mcd: 670 × 1000 = 670000 mcd (Millicandela) • kcd: 670 × 0.001 = 0.67 kcd (Kilocandela)
Explore Luminous Intensity Converter →
Engineering Substance / Operating Standard Parameter Value (m²) Reference State / Condition Typical Industrial & Engineering Application
6.1" Smartphone Screen (0.009 m²) 0.009 0.009 m² (90 cm²) OLED mobile display panel surface aperture
15.6" Laptop Display (0.067 m²) 0.067 0.067 m² (670 cm²) Commercial notebook IPS screen aperture
55" Ultra HD Television (0.834 m²) 0.834 0.834 m² (8,340 cm²) Living room 4K LED/OLED television surface
LED Replacement Bulb Frosted Lens (0.005 m²) 0.005 0.005 m² (50 cm²) Standard A19 household diffuser globe
Commercial Outdoor LED Billboard (18 m²) 18 18.0 m² (194 ft²) Highway electronic digital billboard face
Embed
Need this Candela/square centimeter to Lumen/sq. foot/steradian calculator on your website, lab portal, or research blog?
Free HTML Widget 100% Responsive Zero Cookie Tracking
Notice a calculation discrepancy, rounding error, or glitch?
Help us maintain 100% scientific precision and report any issues directly to engineering.

Frequently Asked Questions

There are exactly 929.03043597 lumens/sq. foot/steradian (lm/(ft²·sr)) in 1 candela/square centimeter (cd/cm²). To calculate larger amounts manually, simply multiply your total number of candelas/square centimeter by the conversion multiplier of 929.03043597.

The mathematical formula to convert candelas/square centimeter to lumens/sq. foot/steradian is: [value] * 929.03043597 = lumens/sq. foot/steradian. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from lumens/sq. foot/steradian back to candelas/square centimeter, you must divide your starting value by 929.03043597. Our bidirectional tool automatically computes this inverse equation the moment you type into the lumen/sq. foot/steradian input field.

1 Candela/square centimeter is larger than 1 Lumen/sq. foot/steradian. Specifically, 1 Candela/square centimeter equals exactly 929.03043597 lumens/sq. foot/steradian, making it 929.0304 times larger (a difference of 2.97 orders of magnitude). Therefore, quantities expressed in lumens/sq. foot/steradian require a larger numerical value to represent the same physical amount.

Under standard international measurement guidelines, 1 Candela/square centimeter converts to 929.03043597 lumens/sq. foot/steradian. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.

Physically Coupled Optics & Acoustics Converters

Explore interconnected physical dimension converters within the Optics & Acoustics cluster (ISO 80000-7:2019 / ISO 80000-8:2020).

View Hub
Frequency Dimensional Hub & Tools
Sound Dimensional Hub & Tools
Luminous Intensity Dimensional Hub & Tools
Illumination Dimensional Hub & Tools
Digital Image Resolution Dimensional Hub & Tools