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Candelas to Candlepowers (new) Converter (cd to cp)

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Live Conversion • BIPM SI Brochure (9th Edition) Certified
1 Candela = 1.01936799 Candlepower (new)
1 cd = 1.019368 cp • 1 cp = 0.981 cd
Candela to Candlepower (new): One Candela is equal to 1.01936799 Candlepowers (new).
Certified Authority Value
1.01936799
cp
Exact: 1 cp ≡ 0.9810000018 cd
cd
cd
Swap to Candlepower (new) to Candela
Swap to Candlepower (new) to Candela
cp
cp 1.01936799
Quick Values:
Conversion Formula
To convert Candela to Candlepower (new), multiply by 1.01936799
cd × 1.01936799 = cp

Calculation: 1 cd × 1.01936799 = 1.01936799 cp

Common Candela to Candlepower (new) Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Candela (cd) and Candlepower (new) (cp).

Tap any row to calculate
Candela to Candlepower (new): Primary Direct Table (15 Steps)
Candela to Candlepower (new) Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 cd 0.00101937 cp 1.019 × 10⁻³
0.01 cd 0.0101937 cp 1.019 × 10⁻²
0.1 cd 0.101937 cp 1.019 × 10⁻¹
0.5 cd 0.509684 cp 5.097 × 10⁻¹
1 cd 1.019368 cp 1.019 × 10⁰
2 cd 2.038736 cp 2.039 × 10⁰
5 cd 5.09684 cp 5.097 × 10⁰
10 cd 10.19368 cp 1.019 × 10¹
20 cd 20.38736 cp 2.039 × 10¹
25 cd 25.4842 cp 2.548 × 10¹
50 cd 50.9684 cp 5.097 × 10¹
100 cd 101.936799 cp 1.019 × 10²
250 cd 254.841998 cp 2.548 × 10²
500 cd 509.683995 cp 5.097 × 10²
1000 cd 1019.36799 cp 1.019 × 10³
Candlepower (new) to Candela: Reciprocal Summary
Candlepower (new) to Candela Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 cp 0.981 cd 9.81 × 10⁻¹
5 cp 4.905 cd 4.905 × 10⁰
10 cp 9.81 cd 9.81 × 10⁰
50 cp 49.05 cd 4.905 × 10¹
100 cp 98.1 cd 9.81 × 10¹
View Complete 15-Row Candlepower (new) to Candela Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Candela (cd) and Candlepower (new) (cp):

Candela References:

  • Standard common utility household wax candle flame intensity 1 cd
  • Standard 100-watt domestic incandescent light bulb intensity 120 cd
  • High-power outdoor search and rescue LED flashlight beam 1000 cd
  • Automotive vehicle high-beam headlight beam luminous intensity 25000 cd

Candlepower (new) References:

  • Traditional British standard spermaceti candle luminous intensity 1 cp

Tap any benchmark above to automatically calculate its exact equivalent in Candlepower (new).

ISQ Dimension: [J] Coherent SI Unit: candela (cd) Photometry, Radiometry, Optics & Acoustics

How to Convert Candela to Candlepower (new)

Converting Candela (cd) to Candlepower (new) (cp) 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 Candela represents a larger magnitude than Candlepower (new), converting from cd to cp expands the numerical figure. Exactly 1 Candela encompasses 1.019368 Candlepower (new). To convert any quantity, multiply the value in Candela by 1.019368.

Direct Factor1 cd = 1.019368 cp
Inverse Ratio1 cp = 0.981 cd
Conversion ScaleDirect Proportional Magnitude Expansion
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 (cd)) 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 = 1 candela (cd)
2. Target SI Bridge (ktarget):1 cp = 0.981 candela (cd)
Step-by-step substitution for Candela → Candlepower (new):V(cp) = V(cd) × ( 1 / 0.981 ) = V(cd) × 1.019368
Mathematical FormulaValue in Candlepower (new) = Value in Candela × 1.01936799Direct computational formula applied for standard conversion.
Worked Example

Evaluating an input of 120 Candela (cd) produces 122.324159 Candlepower (new) (cp). In heavy-duty utility and industrial workloads, 5000 cd equals 5096.83995 cp.

Inverse check: 1 cp = 0.981 cd.

Understanding Candela and Candlepower (new)

Candela

cd
SI Base Standard

A Candela (cd) is the official base standard unit for luminous intensity.

Applications & Practical Context

In practical luminous intensity terms, a standard common utility household wax candle flame intensity equals 1 cd, a standard 100-watt domestic incandescent light bulb intensity equals 120 cd, a high-power outdoor search and rescue LED flashlight beam equals 1000 cd.

Physical Setup

A luminous intensity of 1 cd represents the monochromatic light power emitted into a 1-steradian solid cone.

Conversion to SI Unit: candela (cd)
1 cd = 1 cd (Base Standard)

Candlepower (new)

cp
Standard Unit

A Candlepower (new) (cp) is a recognized unit for luminous intensity.

Applications & Practical Context

In practical luminous intensity terms, a traditional British standard spermaceti candle luminous intensity equals 1 cp.

Physical Setup

A physical magnitude of 1 cp corresponds to 0.981 cd in standard SI measurement.

Conversion to SI Unit: candela (cd)
1 cp = 0.981 cd

Domain Metrology & Engineering Applications

Governing Law & Equation

Base SI Photometric Standard (540 × 10¹² Hz monochromatic radiation, K_cd ≡ 683 lm/W)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using goniophotometers, integrating sphere spectroradiometers, and calibrated photodiode luminance meters.

Primary Industry Sectors

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.

Institutional Metrology & Standard Authority:

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].

Multi-Variable Engineering Bridge Photometry & Solid Angle Radiation

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
Vector: [cd] × [sr] → [lm]
Live Calculated Bridge Equivalent:
1 cd at Full Isotropic Sphere (4π sr) = 12.5664 lm
Equals 12566.37 mlm • 0.01257 klm • 1 MSCP
SI Luminous Flux
12.5664
lm
Lumens
Fiber Optics
12566.37
mlm
Millilumens
Commercial Floodlight
0.01257
klm
Kilolumens
Lamp Rating
1
MSCP
Mean Spherical Candlepower
English Standard
1
cp-flux
Candlepower Flux
Stadium Array
1.256637 × 10⁻⁵
Mlm
Megalumens
  1. 1. Normalize Input to SI Base Unit (cd):
    I_v = 1 cd × 1 = 1 cd
  2. 2. Apply Engineering Parameter (Ω):
    Selected condition: Full Isotropic Sphere (4π sr) at Ω = 12.5664 sr
  3. 3. Execute Governing Physical Law in SI Units:
    Φ = I_v × Ω = (1 cd) × (12.5664 sr) = 12.566371 lm
  4. 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)
Explore Illuminance Converter →
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
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Frequently Asked Questions

There are exactly 1.01936799 candlepowers (new) (cp) in 1 candela (cd). To calculate larger amounts manually, simply multiply your total number of candelas by the conversion multiplier of 1.01936799.

The mathematical formula to convert candelas to candlepowers (new) is: [value] * 1.01936799 = candlepowers (new). 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 candlepowers (new) back to candelas, you must divide your starting value by 1.01936799. Our bidirectional tool automatically computes this inverse equation the moment you type into the candlepower (new) input field.

1 Candela is larger than 1 Candlepower (new). Specifically, 1 Candela equals exactly 1.01936799 candlepowers (new), making it 1.0194 times larger (a difference of 0.01 orders of magnitude). Therefore, quantities expressed in candlepowers (new) require a larger numerical value to represent the same physical amount.

Under standard international measurement guidelines, 1 Candela converts to 1.01936799 candlepowers (new). Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.

Related Candela and Candlepower (new) Conversions

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