Energy E = power P times time t Calculator :: Equations

Physics

Energy calculator

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Energy Equation

$$ E = P t $$

$E \, $ is energy in joules (J)
$P \, $ is power in watts (W)
$t \, $ is time in seconds (s)

$ E $

= $ P t $

= $ \mathrm{ W } $ $ \times $ $ \mathrm{ s } $

= $ \mathrm{ J } $

= $ \mathrm{ J } $ (to significant figures)

$ P $

= $ \displaystyle{\frac{ E }{ t }} $

= $ \mathrm{ J } $ $ \div $ $ \mathrm{ s } $

= $ \mathrm{ W } $

= $ \mathrm{ W } $ (to significant figures)

$ t $

= $ \displaystyle{\frac{ E }{ P }} $

= $ \mathrm{ J } $ $ \div $ $ \mathrm{ W } $

= $ \mathrm{ s } $

= $ \mathrm{ s } $ (to significant figures)

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