WATT to FEMTOWATT converter

Precise unit converter

W

fW

Units used

FULL UNIT NAME	watt	femtowatt
ABBREVIATION / SYMBOL	W	fW

How can you convert 1 watt to femtowatts?

How many femtowatts are in one watt? You can find out the answer in one of two ways:

use our calculator above for maximum accuracy or
use the following equation:

1 W \times \frac{1.000000 \times 10^{15} fW}{1 W}

There are 1e15 femtowatts in a watt. Thus, we must multiply the number of watts (1) by 1e15 to get femtowatts.

Conversion table between watts and femtowatts near 1 W:

Alternative spelling

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