Axis

Power

zeptowattzW

Zepto-scaled variant of the watt, exactly zW = 0.000000000000000000001 base unit.

Dimension
power
Canonical signature
L^2*M*T^-3
System
si
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 zW = 1e-21 W
Conversion type
linear
Historical notes
Power is a rate; converting to energy requires duration.
Aliases
zepto watts

Same dimension

Related units

wattsiWhorsepower (mechanical)imperial ushpquettawattsiQWronnawattsiRWyottawattsiYWzettawattsiZWexawattsiEWpetawattsiPW

Common conversions

Every conversion routes through the canonical base of the dimension.

1 zW = 1e-21 W

Exact relationship

10 zW = 1e-20 W

Exact relationship