Yoctowatt is 1e-24 watt units.
Yoctowatts to Rontowatts Converter — yW to rW
Convert Yoctowatt (yW) to Rontowatt (rW) using the exact conversion factor (1 yoctowatt = 1,000 rontowatt). See the formula, worked examples, and conversion table.
Yoctowatts to Rontowatts converter
Converter
Power Converter
Convert watts, horsepower, refrigeration tons, BTU per hour, and engineering power units.
Context values
Some unit families need one extra value for a physically accurate result.
Rontowatt is 1e-27 watt units.
Result = input x 1e-24 / 1e-27.
Power uses the watt as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Yoctowatts to Rontowatts
Yoctowatt and Rontowatt both describe power output, and the conversion is a routine part of comparing an engine or motor's spec sheet across countries that use different power units. Specifically: Yoctowatt is 1e-24 watt units, and rontowatt is 1e-27 watt units.
Formula
rontowatts = yoctowatts × 1000
This factor comes from each unit's defined relationship to the category's base unit: 1 yoctowatt equals 1e-24 base units, and 1 rontowatt equals 1e-27 base units, so dividing one by the other gives the direct yoctowatt-to-rontowatt factor of 1000.
Simple example
1 yW × 1000 = 1,000 rW
1 yoctowatt = 1,000 rontowatts.
Real-world example
100 yW × 1000 = 100,000 rW
100 yoctowatts = 100,000 rontowatts.
Conversion table
| Yoctowatt (yW) | Rontowatt (rW) |
|---|---|
| 1 yW | 1,000 rW |
| 10 yW | 10,000 rW |
| 100 yW | 100,000 rW |
| 500 yW | 500,000 rW |
| 1,000 yW | 1,000,000 rW |
| 5,000 yW | 5,000,000 rW |
Reverse conversion: Rontowatt to Yoctowatt
1 rW × 0.001 = 0.001 yW
1 rontowatt = 0.001 yoctowatts.
yoctowatts = rontowatts × 0.001
For a page dedicated to this direction, see Rontowatt to Yoctowatt.
Understanding the Yoctowatt (yW)
Yoctowatt is 1e-24 watt units.
Understanding the Rontowatt (rW)
Rontowatt is 1e-27 watt units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many rontowatts are in 1 yoctowatt?
1 yoctowatt equals 1,000 rontowatts, using the exact defined conversion factor rather than an estimate.
How do I convert yoctowatt to rontowatt?
Multiply the yoctowatt value by 1000. The converter above does this instantly to whatever precision you set.
How do I convert rontowatt back to yoctowatt?
Use the reverse factor: 1 rontowatt equals 0.001 yoctowatts. You can also use the swap control in the converter above to flip the direction instantly.
What is a yoctowatt?
Yoctowatt (yW) is a unit of power.
What is a rontowatt?
Rontowatt (rW) is a unit of power.
Is the yoctowatt to rontowatt conversion exact?
Yes. Both yoctowatt and rontowatt are defined by fixed standards rather than physical artifacts, so the factor of 1000 used above is exact to as many digits as you choose to display.