Quectowatt is 1e-30 watt units.
Quectowatts to Yoctowatts Converter — qW to yW
Convert Quectowatt (qW) to Yoctowatt (yW) using the exact conversion factor (1 quectowatt = 0.000001 yoctowatt). See the formula, worked examples, and conversion table.
Quectowatts to Yoctowatts converter
Converter
Electricity Converter
Convert electrical units by family and calculate voltage, current, resistance, power, and energy with context values.
Context values
Some unit families need one extra value for a physically accurate result.
Yoctowatt is 1e-24 watt units.
Result = input x 1e-30 / 1e-24.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Quectowatts to Yoctowatts
Quectowatt and Yoctowatt both belong to the electricity family — voltage, current, resistance, power, or energy — units that show up constantly when working across the different standards used by household wiring (120V/240V depending on region), automotive electrical systems (12V/24V), and electronics design. Specifically: Quectowatt is 1e-30 watt units, and yoctowatt is 1e-24 watt units.
Formula
yoctowatts = quectowatts × 0.000001
This factor comes from each unit's defined relationship to the category's base unit: 1 quectowatt equals 1e-30 base units, and 1 yoctowatt equals 1e-24 base units, so dividing one by the other gives the direct quectowatt-to-yoctowatt factor of 0.000001.
Simple example
1 qW × 0.000001 = 0.000001 yW
1 quectowatt = 0.000001 yoctowatts.
Real-world example
120 qW × 0.000001 = 0.00012 yW
120 quectowatts = 0.00012 yoctowatts.
Conversion table
| Quectowatt (qW) | Yoctowatt (yW) |
|---|---|
| 1 qW | 0.000001 yW |
| 5 qW | 0.000005 yW |
| 12 qW | 0.000012 yW |
| 24 qW | 0.000024 yW |
| 120 qW | 0.00012 yW |
| 240 qW | 0.00024 yW |
Reverse conversion: Yoctowatt to Quectowatt
0.000001 yW × 1000000 = 1 qW
0.000001 yoctowatts = 1 quectowatts.
quectowatts = yoctowatts × 1000000
For a page dedicated to this direction, see Yoctowatt to Quectowatt.
Understanding the Quectowatt (qW)
Quectowatt is 1e-30 watt units.
Understanding the Yoctowatt (yW)
Yoctowatt is 1e-24 watt units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yoctowatts are in 1 quectowatt?
1 quectowatt equals 0.000001 yoctowatts, using the exact defined conversion factor rather than an estimate.
How do I convert quectowatt to yoctowatt?
Multiply the quectowatt value by 0.000001. The converter above does this instantly to whatever precision you set.
How do I convert yoctowatt back to quectowatt?
Use the reverse factor: 1 yoctowatt equals 1,000,000 quectowatts. You can also use the swap control in the converter above to flip the direction instantly.
What is a quectowatt?
Quectowatt (qW) is a unit of electricity.
What is a yoctowatt?
Yoctowatt (yW) is a unit of electricity.
Is the quectowatt to yoctowatt conversion exact?
Yes. Both quectowatt and yoctowatt are defined by fixed standards rather than physical artifacts, so the factor of 0.000001 used above is exact to as many digits as you choose to display.
What's the difference between voltage, current, and resistance?
Voltage (volts) is the electrical potential difference driving current through a circuit. Current (amperes) is the rate of flow of electric charge. Resistance (ohms) is how much a component opposes that flow. They're related by Ohm's law (V = I × R), but they are distinct physical quantities, and this page converts between units of just one of them.