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 | Illuminance | |
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Characteristic | | footcandle | | Notes |
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Symbol | fc | |||
Other Name | ft-C | |||
Metric (SI) Equivalent | 10.763910417 luxes | This equivalent and the others below are calculated from exact values. | ||
Other Metric (SI) Equivalents with More Basic Units | ||||
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10.763910417 candela steradians / meter2 |
Even though the steradian is a dimensionless derived unit and could be dropped, it is shown in this equivalent for clarity | |||
Metric (SI) Dimensions | length-2 × luminous-intensity × solid-angle | Even though solid-angle is not an official metric (SI) dimension and could be dropped, it is shown in the dimensions for clarity. | ||
Description in Terms of Other Units and Constants | ||||
Characteristic | | lux | | Notes |
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Symbol | lx | |||
Metric (SI) Equivalent | lux is a metric unit (in fact, it is a derived SI unit) | |||
Other Metric (SI) Equivalents with More Basic Units | ||||
| Even though the steradian is a dimensionless derived unit and could be dropped, it is shown in this equivalent for clarity | ||||
Metric (SI) Dimensions | length-2 × luminous-intensity × solid-angle | Even though solid-angle is not an official metric (SI) dimension and could be dropped, it is shown in the dimensions for clarity. | ||
Characteristic | | nox | | Notes |
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Metric (SI) Equivalent | This equivalent and the others below are exact. | |||
Other Metric (SI) Equivalents with More Basic Units | ||||
| 0.001 candela steradians / meter2 | Even though the steradian is a dimensionless derived unit and could be dropped, it is shown in this equivalent for clarity | |||
Metric (SI) Dimensions | length-2 × luminous-intensity × solid-angle | Even though solid-angle is not an official metric (SI) dimension and could be dropped, it is shown in the dimensions for clarity. | ||
Characteristic | | phot | | Notes |
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Symbol | ph | |||
Metric (SI) Equivalent | This equivalent and the others below are exact. | |||
Other Metric (SI) Equivalents with More Basic Units | ||||
| 10000 candela steradians / meter2 | Even though the steradian is a dimensionless derived unit and could be dropped, it is shown in this equivalent for clarity | |||
Metric (SI) Dimensions |
length-2 × luminous-intensity × solid-angle | Even though solid-angle is not an official metric (SI) dimension and could be dropped, it is shown in the dimensions for clarity. |
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