# Distance Light Traveled

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D =
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KurtHeckman.Distance Light Traveled
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The Distance Light Traveled calculator computes the distance (D) based on the duration of travel (t) and the Speed of Light .

INSTRUCTIONS:  Choose the preferred units and enter the following:

• (t)   Duration of travel
• (v)  This is the velocity (travel speed) with a default of 1 c (the speed of light)

Distance Traveled:  The calculator returns the distance (D) in astronomical units or light years.  However, this can be automatically converted to other distance units via the pull-down menu.

The Math / Science

D = t•v

where: