How many petacandela in 1 teracandela?
The answer is 0.001.

We assume you are converting between **petacandela** and **teracandela**.

You can view more details on each measurement unit:

petacandela or
teracandela

The SI base unit for **luminous intensity** is the candela.

1 candela is equal to 1.0E-15 petacandela, or 1.0E-12 teracandela.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between petacandelas and teracandelas.

Type in your own numbers in the form to convert the units!

The SI prefix "peta" represents a factor of
10^{15}, or in exponential notation, 1E15.

So 1 petacandela = 10^{15} candelas.

The definition of a candela is as follows:

The candela (symbol: cd) is the SI base unit of luminous intensity. It is the power emitted by a light source in a particular direction, weighted by the luminosity function. A common candle emits light with a luminous intensity of roughly one candela. The candela is officially defined as the luminous intensity of a source that emits monochromatic radiation of frequency 540×10^{12} hertz and that has a radiant intensity of 1/683 watt per steradian.

The SI prefix "tera" represents a factor of
10^{12}, or in exponential notation, 1E12.

So 1 teracandela = 10^{12} candelas.

The definition of a candela is as follows:

The candela (symbol: cd) is the SI base unit of luminous intensity. It is the power emitted by a light source in a particular direction, weighted by the luminosity function. A common candle emits light with a luminous intensity of roughly one candela. The candela is officially defined as the luminous intensity of a source that emits monochromatic radiation of frequency 540×10^{12} hertz and that has a radiant intensity of 1/683 watt per steradian.

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