Yoctowatts: conversions & definition
Yoctowatts (yW) represent power. One unit equals 10^-24 W. One watt represents energy transfer at one joule per second.
Choose the unit you need
Each row converts one yW. Open a converter to enter any value and see its formula, worked example and reference table. Results below are rounded to 10 significant digits.
| Convert to | Equivalent value | Calculator |
|---|---|---|
| Watts (W) | ≈ 1e-24 | Convert yW to W |
| Milliwatts (mW) | ≈ 1e-21 | Convert yW to mW |
| Kilowatts (kW) | ≈ 1e-27 | Convert yW to kW |
| Microwatts (µW) | ≈ 1e-18 | Convert yW to µW |
| Megawatts (MW) | ≈ 1e-30 | Convert yW to MW |
| Nanowatts (nW) | ≈ 1e-15 | Convert yW to nW |
| Gigawatts (GW) | ≈ 1e-33 | Convert yW to GW |
| Centiwatts (cW) | ≈ 1e-22 | Convert yW to cW |
| Deciwatts (dW) | ≈ 1e-23 | Convert yW to dW |
| Hectowatts (hW) | ≈ 1e-26 | Convert yW to hW |
| Decawatts (daW) | ≈ 1e-25 | Convert yW to daW |
| Picowatts (pW) | ≈ 1e-12 | Convert yW to pW |
| Terawatts (TW) | ≈ 1e-36 | Convert yW to TW |
| Femtowatts (fW) | ≈ 1e-9 | Convert yW to fW |
| Petawatts (PW) | ≈ 1e-39 | Convert yW to PW |
| Attowatts (aW) | ≈ 0.000001 | Convert yW to aW |
| Exawatts (EW) | ≈ 1e-42 | Convert yW to EW |
| Zeptowatts (zW) | ≈ 0.001 | Convert yW to zW |
| Zettawatts (ZW) | ≈ 1e-45 | Convert yW to ZW |
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Choose units that represent the same quantity and preserve the measurement conditions. A scale conversion changes the number and unit together; it does not change the physical amount or improve the accuracy of your measurement.
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