Lumens/steradian to Candles Converter (lm/sr to candle (German))
lm/sr × 0.95238095 = candle (German)
Calculation: 1 lm/sr × 0.95238095 = 0.95238095 candle (German)
Common Lumen/steradian to Candle Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Lumen/steradian (lm/sr) and Candle (candle (German)).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 lm/sr 0.000952381 candle (German) | 9.524 × 10⁻⁴ |
| 0.01 lm/sr 0.00952381 candle (German) | 9.524 × 10⁻³ |
| 0.1 lm/sr 0.0952381 candle (German) | 9.524 × 10⁻² |
| 0.5 lm/sr 0.47619 candle (German) | 4.762 × 10⁻¹ |
| 1 lm/sr 0.952381 candle (German) | 9.524 × 10⁻¹ |
| 2 lm/sr 1.904762 candle (German) | 1.905 × 10⁰ |
| 5 lm/sr 4.761905 candle (German) | 4.762 × 10⁰ |
| 10 lm/sr 9.52381 candle (German) | 9.524 × 10⁰ |
| 20 lm/sr 19.047619 candle (German) | 1.905 × 10¹ |
| 25 lm/sr 23.809524 candle (German) | 2.381 × 10¹ |
| 50 lm/sr 47.619048 candle (German) | 4.762 × 10¹ |
| 100 lm/sr 95.238095 candle (German) | 9.524 × 10¹ |
| 250 lm/sr 238.095238 candle (German) | 2.381 × 10² |
| 500 lm/sr 476.190476 candle (German) | 4.762 × 10² |
| 1000 lm/sr 952.380952 candle (German) | 9.524 × 10² |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 candle (German) 1.05 lm/sr | 1.05 × 10⁰ |
| 5 candle (German) 5.25 lm/sr | 5.25 × 10⁰ |
| 10 candle (German) 10.5 lm/sr | 1.05 × 10¹ |
| 50 candle (German) 52.5 lm/sr | 5.25 × 10¹ |
| 100 candle (German) 105 lm/sr | 1.05 × 10² |
Real-World Context & Everyday Benchmarks
Tap to load into converterTo help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Lumen/steradian (lm/sr) and Candle (candle (German)):
Lumen/steradian References:
- Standard common utility household wax candle flame intensity 1 lm/sr
- Standard 100-watt domestic incandescent light bulb intensity 120 lm/sr
- High-power outdoor search and rescue LED flashlight beam 1000 lm/sr
- Automotive vehicle high-beam headlight beam luminous intensity 25000 lm/sr
Candle References:
- Standard common utility household wax candle flame intensity 0.952381 candle (German)
- Standard 100-watt domestic incandescent light bulb intensity 114.29 candle (German)
- High-power outdoor search and rescue LED flashlight beam 952.38 candle (German)
- Automotive vehicle high-beam headlight beam luminous intensity 23809.52 candle (German)
How to Convert Lumen/steradian to Candle
Converting Lumen/steradian (lm/sr) to Candle (candle (German)) is a core calculation in Luminous Intensity, which measures the wavelength-weighted photometric power emitted by a light source in a direction per unit solid angle. Because Candle is a broader physical scale than Lumen/steradian, converting from lm/sr to candle (German) condenses the numerical figure. It takes 1.05 Lumen/steradian to equal a single Candle (1 lm/sr = 0.952381 candle (German)). To convert any quantity, multiply by 0.952381 (or divide by 1.05).
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 (cd)) without arbitrary rounding:
1 lm/sr = 1 candela (cd)1 candle (German) = 1.05 candela (cd)V(candle (German)) = V(lm/sr) × ( 1 / 1.05 ) = V(lm/sr) × 0.952381Value in Candle = Value in Lumen/steradian × 0.95238095Direct computational formula applied for standard conversion.To convert 2.5 Lumen/steradian (lm/sr) to Candle (candle (German)): multiply 2.5 by 0.952381 to get 2.380952 candle (German). At an industrial engineering scale, 100 lm/sr converts to 95.238095 candle (German).
Inverse check: 1 candle (German) = 1.05 lm/sr.Understanding Lumen/steradian and Candle
Lumen/steradian
lm/srA Lumen/steradian (lm/sr) is a recognized unit for luminous intensity.
Applications & Practical Context
In practical luminous intensity terms, a standard common utility household wax candle flame intensity equals 1 lm/sr, a standard 100-watt domestic incandescent light bulb intensity equals 120 lm/sr, a high-power outdoor search and rescue LED flashlight beam equals 1000 lm/sr.
A luminous intensity of 1 lm/sr represents the monochromatic light power emitted into a 1-steradian solid cone.
1 lm/sr = 1 cdCandle
candle (German)A Candle (candle (German)) is a recognized unit for luminous intensity.
Applications & Practical Context
In practical luminous intensity terms, a standard common utility household wax candle flame intensity equals 0.952381 candle (German), a standard 100-watt domestic incandescent light bulb intensity equals 114.29 candle (German), a high-power outdoor search and rescue LED flashlight beam equals 952.38 candle (German).
A physical magnitude of 1 candle (German) corresponds to 1.05 cd in standard SI measurement.
1 candle (German) = 1.05 cdDomain Metrology & Engineering Applications
Base SI Photometric Standard (540 × 10¹² Hz monochromatic radiation, K_cd ≡ 683 lm/W)
Rigorously quantified in laboratory and field settings using goniophotometers, integrating sphere spectroradiometers, and calibrated photodiode luminance meters.
Applied across automotive headlamp certification (ECE/SAE), architectural LED design, lighthouse beacons, and airport runway lighting under international metrology standard BIPM SI Brochure (9th Edition), CIE 018:2019.
Formulas, conversion coefficients, and base definitions on this page strictly adhere to the BIPM SI Brochure (9th Edition), CIE 018:2019. Governed by Base SI Photometric Standard (540 × 10¹² Hz monochromatic radiation, K_cd ≡ 683 lm/W) under ISO 80000 dimensional vector [J].
Luminous Intensity to Total Luminous Flux Bridge (Lumens • Millilumens • Kilolumens • MSCP)
Calculate total emitted luminous flux Φ = I_v × Ω across emission solid angles, bridging luminous intensity [J] and luminous flux [J] via solid angle (Ω).
Φ = I_v × Ω
[cd] × [sr] → [lm]
-
1. Normalize Input to SI Base Unit (cd):
I_v = 1 lm/sr × 1 = 1 cd -
2. Apply Engineering Parameter (Ω):
Selected condition: Full Isotropic Sphere (4π sr) at Ω = 12.5664 sr -
3. Execute Governing Physical Law in SI Units:
Φ = I_v × Ω = (1 cd) × (12.5664 sr) = 12.566371 lm -
4. Convert to Standard Engineering Units:
• lm: 12.566371 × 1 = 12.5664 lm (Lumens) • mlm: 12.566371 × 1000 = 12566.37 mlm (Millilumens) • klm: 12.566371 × 0.001 = 0.01257 klm (Kilolumens) • MSCP: 12.566371 × 0.07958 = 1 MSCP (Mean Spherical Candlepower) • cp-flux: 12.566371 × 0.07958 = 1 cp-flux (Candlepower Flux) • Mlm: 12.566371 × 1 × 10⁻⁶ = 1.256637 × 10⁻⁵ Mlm (Megalumens)
| Engineering Substance / Operating Standard | Parameter Value (sr) | Reference State / Condition | Typical Industrial & Engineering Application |
|---|---|---|---|
| Full Isotropic Sphere (4π sr) | 12.5664 |
4π ≈ 12.5664 sr | Uniform 360° omnidirectional point emitter (12.566 sr) |
| Hemispherical Lambertian Surface (π sr) | 3.1416 |
π ≈ 3.14159 sr | Ideal diffuse flat LED / OLED planar emitter |
| 60° Floodlight Beam Cone (0.842 sr) | 0.8418 |
2π(1 - cos 30°) sr | Commercial architectural recessed floodlight cone |
| 30° Narrow Spotlight Cone (0.214 sr) | 0.2141 |
2π(1 - cos 15°) sr | Track lighting & directional accent spotlight cone |
Frequently Asked Questions
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