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Hectowatt (hW) Unit Definition
The hectowatt is a multiple of the unit watt (W) for power. The International System of Units (SI) defines the prefix hecto (h) as a factor of one hundred. Per this definition, one hectowatt is 100 watts. The hectowatt is represented by the symbol hW.
SI Multiples
A table of various power watt units derived from SI multiples:
Submultiples |
Multiples |
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Scientific Notation |
Value |
Prefix |
Name |
Scientific Notation |
Value |
Prefix |
Name |
10-1 W |
0.1 W |
Deci (d) | Deciwatt (dW) | 101 W |
10 W |
Deca (da) | Decawatt (daW) |
10-2 W |
0.01 W |
Centi (c) | Centiwatt (cW) | 102 W |
100 W |
Hecto (h) | Hectowatt (hW) |
10-3 W |
0.001 W |
Milli (m) | Milliwatt (mW) | 103 W |
1000 W |
Kilo (k) | Kilowatt (kW) |
10-6 W |
0.000001 W |
Micro (µ) | Microwatt (µW) | 106 W |
1000000 W |
Mega (M) | Megawatt (MW) |
10-9 W |
0.000000001 W |
Nano (n) | Nanowatt (nW) | 109 W |
1000000000 W |
Giga (G) | Gigawatt (GW) |
10-12 W |
0.000000000001 W |
Pico (p) | Picowatt (pW) | 1012 W |
1000000000000 W |
Tera (T) | Terawatt (TW) |
10-15 W |
0.000000000000001 W |
Femto (f) | Femtowatt (fW) | 1015 W |
1000000000000000 W |
Peta (P) | Petawatt (PW) |
10-18 W |
0.000000000000000001 W |
Atto (a) | Attowatt (aW) | 1018 W |
1000000000000000000 W |
Exa (E) | Exawatt (EW) |
10-21 W |
0.000000000000000000001 W |
Zepto (z) | Zeptowatt (zW) | 1021 W |
1000000000000000000000 W |
Zetta (Z) | Zettawatt (ZW) |
10-24 W |
0.000000000000000000000001 W |
Yocto (y) | Yoctowatt (yW) | 1024 W |
1000000000000000000000000 W |
Yotta (Y) | Yottawatt (YW) |
10-27 W |
0.000000000000000000000000001 W |
Ronto (r) | Rontowatt (rW) | 1027 W |
1000000000000000000000000000 W |
Ronna (R) | Ronnawatt (RW) |
10-30 W |
0.000000000000000000000000000001 W |
Quecto (q) | Quectowatt (qW) | 1030 W |
1000000000000000000000000000000 W |
Quetta (Q) | Quettawatt (QW) |
Other Powewr Unit Definitions
- Attowatt (aW)
Btu I.T. (BTU)
Calorie I.T. (cal)
- Centiwatt (cW)
Cheval Vapeur (cv)
Clusec (clusec)
- Decawatt (daW)
- Deciwatt (dW)
- Dekawatt (daW)
Dyne Centimeter (dyncm)
Erg (erg)
- Exawatt (EW)
- Femtowatt (fW)
Foot Pound-Force (ft∙lbf)
Foot Poundal (ft∙pdl)
- Gigawatt (GW)
Gram-Force Centimeter (gf∙cm)
- Hectowatt (hW)
Horsepower Electric (hp)
Horsepower International (hp)
Horsepower Metric (hp)
Horsepower Water (hp)
Inch Ounce-Force Revolution (in∙ozf)
Joule (J)
Kilocalorie I.T. (kcal)
Kilogram-Force Meter (kgf∙m)
Kilopond Meter (kpm)
- Kilowatt (kW)
- Megawatt (MW)
- Microwatt (μW)
Million Btu I.T. (MMBTU)
- Milliwatt (mW)
- Nanowatt (nW)
Newton Meter (N∙m)
- Petawatt (PW)
Pferdestarke (ps)
- Picowatt (pW)
Poncelet (p)
Pound Square Foot Per Cubic Second (lb∙ft2/s
) - Quectowatt (qW)
- Quettawatt (QW)
- Ronnawatt (RW)
- Rontowatt (rW)
- Terawatt (TW)
Ton of Refrigeration (RT)
- Watt (W)
- Yoctowatt (yW)
- Yottawatt (YW)
- Zeptowatt (zW)
- Zettawatt (ZW)
Convert to Another Power Unit
Related Definitions
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Sources
“Watt.” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Watt.