Centiwatt is 0.01 watt units.
Centiwatts to Quectowatts Converter — cW to qW
Convert Centiwatt (cW) to Quectowatt (qW) using the exact conversion factor (1 centiwatt = 1e+28 quectowatt). See the formula, worked examples, and conversion table.
Centiwatts to Quectowatts converter
Converter
Engineering Converter
Convert common stress, force, torque, power, and energy units used in engineering.
Context values
Some unit families need one extra value for a physically accurate result.
Quectowatt is 1e-30 watt units.
Result = input x 0.01 / 1e-30.
Power units are compatible.
Reserved above the conversion cards and below the converter.
About Converting Centiwatts to Quectowatts
Centiwatt and Quectowatt both measure a quantity used in structural or mechanical engineering — commonly stress, pressure, force, torque, power, or energy — where converting between the unit conventions used in different regions, industries, or equipment specifications is a routine part of design work. Specifically: Centiwatt is 0.01 watt units, and quectowatt is 1e-30 watt units.
Formula
quectowatts = centiwatts × 1e+28
This factor comes from each unit's defined relationship to the category's base unit: 1 centiwatt equals 0.01 base units, and 1 quectowatt equals 1e-30 base units, so dividing one by the other gives the direct centiwatt-to-quectowatt factor of 1e+28.
Simple example
1 cW × 1e+28 = 1e+28 qW
1 centiwatt = 1e+28 quectowatts.
Real-world example
100 cW × 1e+28 = 1e+30 qW
100 centiwatts = 1e+30 quectowatts.
Conversion table
| Centiwatt (cW) | Quectowatt (qW) |
|---|---|
| 1 cW | 1e+28 qW |
| 10 cW | 1e+29 qW |
| 50 cW | 5e+29 qW |
| 100 cW | 1e+30 qW |
| 500 cW | 5e+30 qW |
| 1,000 cW | 1e+31 qW |
Reverse conversion: Quectowatt to Centiwatt
1e+28 qW × 1e-28 = 1 cW
1e+28 quectowatts = 1 centiwatt.
centiwatts = quectowatts × 1e-28
For a page dedicated to this direction, see Quectowatt to Centiwatt.
Understanding the Centiwatt (cW)
Centiwatt is 0.01 watt units.
Understanding the Quectowatt (qW)
Quectowatt is 1e-30 watt units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many quectowatts are in 1 centiwatt?
1 centiwatt equals 1e+28 quectowatts, using the exact defined conversion factor rather than an estimate.
How do I convert centiwatt to quectowatt?
Multiply the centiwatt value by 1e+28. The converter above does this instantly to whatever precision you set.
How do I convert quectowatt back to centiwatt?
Use the reverse factor: 1 quectowatt equals 1e-28 centiwatts. You can also use the swap control in the converter above to flip the direction instantly.
What is a centiwatt?
Centiwatt (cW) is a unit of engineering.
What is a quectowatt?
Quectowatt (qW) is a unit of engineering.
Is the centiwatt to quectowatt conversion exact?
Yes. Both centiwatt and quectowatt are defined by fixed standards rather than physical artifacts, so the factor of 1e+28 used above is exact to as many digits as you choose to display.
Why do engineering unit conventions vary so much by region and industry?
Pressure, force, and stress can be expressed in metric (pascal, newton), US customary (psi, pound-force), or older and industry-specific units (atmosphere, torr, kip) depending on the country, industry, and even the equipment manufacturer, which is why engineers routinely need to convert between them when working across specs from different sources.