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Convert candlepower to lumen per steradian Online

Convert Luminous Intensity Units Online with Candlepower (International) to Lumen per Steradian (lm/sr) Conversion

Convert Candlepower to Lumen using the exact conversion factor. This page provides the formula, reference values, and practical context for engineering, technical calculations, and professional measurement use.

Conversion Formula

Candlepower (International) = Lumen per Steradian (lm/sr) × 0.981

To convert Candlepower (International) to Lumen per Steradian (lm/sr), multiply the value by 0.981. The conversion factor is based on standardized unit definitions and is suitable for engineering analysis, system design, and professional measurement workflows.

Example

Convert 1 cp to lm_sr.

  • Step 1: Write the formula: lm_sr = cp × 0.981
  • Step 2: Substitute: 1 × 0.981
  • Step 3: Result: 0.981 lm_sr
So, 1 cp = 0.981 lm_sr.

About the Units

Candlepower (International)

One Candlepower (International) equals 0.981 Lumen per Steradian (lm/sr)

Units of luminous intensity are standardized measurements used to quantify directional light output from sources such as lamps and LEDs.

Lumen per Steradian (lm/sr)

One Lumen per Steradian (lm/sr) equals 0.981 Candlepower (International)

Units of luminous intensity are standardized measurements used to quantify directional light output from sources such as lamps and LEDs.

Where This Conversion Is Used

  • Convert Candlepower to Lumen to ensure consistent values across calculations, reports, and measurement systems.
  • Helps normalize light emission strength values, commonly used in lighting specification and product comparison.
  • Useful for evaluating output ratings of light sources.

Frequently Asked Questions

How many Lumen per Steradian (lm/sr) are in 1 Candlepower (International)?

1 Candlepower (International) = 0.981 Lumen per Steradian (lm/sr).

How many Lumen per Steradian (lm/sr) are in one Candlepower (International)?

One Candlepower (International) equals 0.981 Lumen per Steradian (lm/sr).

How many lm_sr are in one cp?

One cp equals 0.981 lm_sr.

What is the formula for converting Candlepower (International) to Lumen per Steradian (lm/sr)?

Multiply the Candlepower (International) value by 0.981.

Can I reverse the conversion?

Yes. 1 Lumen per Steradian (lm/sr) = 1.019368 Candlepowers (International).

Is this Candlepower (International) to Lumen per Steradian (lm/sr) conversion accurate for engineering use?

Yes. The conversion uses a standardized conversion factor suitable for engineering calculations, technical analysis, and professional reference.

Can this conversion be used for scientific or technical calculations?

Yes. This conversion is appropriate for scientific analysis, engineering calculations, simulations, and technical documentation where unit consistency is required.

Conclusion

By applying the conversion factor shown above, you can convert Candlepower (International) to Lumen per Steradian (lm/sr) for lighting design, photometric testing, and compliance evaluation.

Convert candlepower to Other Units

candlepower to candela

1 cp = 0.981 cd

1 Candlepower (International) = 0.981 Candela (cd)

One Candlepower (International) equals 0.981 Candela (cd)

candlepower to millicandelas

1 cp = 981 mcd

1 Candlepower (International) = 981 Millicandelas (mcd)

One Candlepower (International) equals 981 Millicandelas (mcd)

candlepower to microcandelas

1 cp = 9.81 × 10⁵ ucd

1 Candlepower (International) = 9.81 × 10⁵ Microcandelas (µcd)

One Candlepower (International) equals 9.81 × 10⁵ Microcandelas (µcd)

candlepower to kilocandela

1 cp = 0.00098 kcd

1 Candlepower (International) = 0.00098 Kilocandela (kcd)

One Candlepower (International) equals 0.00098 Kilocandela (kcd)

candlepower to carcel

1 cp = 0.1007 carcel

1 Candlepower (International) = 0.1007 Carcel

One Candlepower (International) equals 0.1007 Carcel

candlepower to bougie decimal

1 cp = 0.981 bougie

1 Candlepower (International) = 0.981 Bougie Decimal

One Candlepower (International) equals 0.981 Bougie Decimal

candlepower to candlepowers

1 cp = 1.08638 cp_h

1 Candlepower (International) = 1.08638 Candlepowers (Hefner)

One Candlepower (International) equals 1.08638 Candlepowers (Hefner)

candlepower to lumen per steradian

1 cp = 0.981 lm_sr

1 Candlepower (International) = 0.981 Lumen per Steradian (lm/sr)

One Candlepower (International) equals 0.981 Lumen per Steradian (lm/sr)

candlepower to watt per steradian at 555nm

1 cp = 0.00144 W_sr

1 Candlepower (International) = 0.00144 Watt per Steradian at 555nm (W/sr)

One Candlepower (International) equals 0.00144 Watt per Steradian at 555nm (W/sr)