Convert watt / square meter to phot
Learn how to convert
1
watt / square meter to
phot
step by step.
Calculation Breakdown
Set up the equation
\(1.0\left(\dfrac{watt}{square \text{ } meter}\right)={\color{rgb(20,165,174)} x}\left(phot\right)\)
Define the base values of the selected units in relation to the SI unit \(\left(lux\right)\)
\(\text{Left side: 1.0 } \left(\dfrac{watt}{square \text{ } meter}\right) = {\color{rgb(89,182,91)} 683.0\left(lux\right)} = {\color{rgb(89,182,91)} 683.0\left(lx\right)}\)
\(\text{Right side: 1.0 } \left(phot\right) = {\color{rgb(125,164,120)} 10^{4}\left(lux\right)} = {\color{rgb(125,164,120)} 10^{4}\left(lx\right)}\)
Insert known values into the conversion equation to determine \({\color{rgb(20,165,174)} x}\)
\(1.0\left(\dfrac{watt}{square \text{ } meter}\right)={\color{rgb(20,165,174)} x}\left(phot\right)\)
\(\text{Insert known values } =>\)
\(1.0 \times {\color{rgb(89,182,91)} 683.0} \times {\color{rgb(89,182,91)} \left(lux\right)} = {\color{rgb(20,165,174)} x} \times {\color{rgb(125,164,120)} {\color{rgb(125,164,120)} 10^{4}}} \times {\color{rgb(125,164,120)} \left(lux\right)}\)
\(\text{Or}\)
\(1.0 \cdot {\color{rgb(89,182,91)} 683.0} \cdot {\color{rgb(89,182,91)} \left(lx\right)} = {\color{rgb(20,165,174)} x} \cdot {\color{rgb(125,164,120)} 10^{4}} \cdot {\color{rgb(125,164,120)} \left(lx\right)}\)
\(\text{Cancel SI units}\)
\(1.0 \times {\color{rgb(89,182,91)} 683.0} \cdot {\color{rgb(89,182,91)} \cancel{\left(lx\right)}} = {\color{rgb(20,165,174)} x} \times {\color{rgb(125,164,120)} 10^{4}} \times {\color{rgb(125,164,120)} \cancel{\left(lx\right)}}\)
\(\text{Conversion Equation}\)
\(683.0 = {\color{rgb(20,165,174)} x} \times 10^{4}\)
Switch sides
\({\color{rgb(20,165,174)} x} \times 10^{4} = 683.0\)
Isolate \({\color{rgb(20,165,174)} x}\)
Multiply both sides by \(\left(\dfrac{1.0}{10^{4}}\right)\)
\({\color{rgb(20,165,174)} x} \times 10^{4} \times \dfrac{1.0}{10^{4}} = 683.0 \times \dfrac{1.0}{10^{4}}\)
\(\text{Cancel}\)
\({\color{rgb(20,165,174)} x} \times {\color{rgb(255,204,153)} \cancel{10^{4}}} \times \dfrac{1.0}{{\color{rgb(255,204,153)} \cancel{10^{4}}}} = 683.0 \times \dfrac{1.0}{10^{4}}\)
\(\text{Simplify}\)
\({\color{rgb(20,165,174)} x} = \dfrac{683.0}{10^{4}}\)
Rewrite equation
\(\dfrac{1.0}{10^{4}}\text{ can be rewritten to }10^{-4}\)
\(\text{Rewrite}\)
\({\color{rgb(20,165,174)} x} = 10^{-4} \times 683.0\)
Solve \({\color{rgb(20,165,174)} x}\)
\({\color{rgb(20,165,174)} x} = 0.0683 = 6.83 \times 10^{-2}\)
\(\text{Conversion Equation}\)
\(1.0\left(\dfrac{watt}{square \text{ } meter}\right) = {\color{rgb(20,165,174)} 6.83 \times 10^{-2}}\left(phot\right)\)
