Zeptovolt is 1e-21 volt units.
Zeptovolts to Yoctovolts Converter — zV to yV
Convert Zeptovolt (zV) to Yoctovolt (yV) using the exact conversion factor (1 zeptovolt = 1,000 yoctovolt). See the formula, worked examples, and conversion table.
Zeptovolts to Yoctovolts 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.
Yoctovolt is 1e-24 volt units.
Result = input x 1e-21 / 1e-24.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Zeptovolts to Yoctovolts
Zeptovolt and Yoctovolt 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: Zeptovolt is 1e-21 volt units, and yoctovolt is 1e-24 volt units.
Formula
yoctovolts = zeptovolts × 1000
This factor comes from each unit's defined relationship to the category's base unit: 1 zeptovolt equals 1e-21 base units, and 1 yoctovolt equals 1e-24 base units, so dividing one by the other gives the direct zeptovolt-to-yoctovolt factor of 1000.
Simple example
1 zV × 1000 = 1,000 yV
1 zeptovolt = 1,000 yoctovolts.
Real-world example
120 zV × 1000 = 120,000 yV
120 zeptovolts = 120,000 yoctovolts.
Conversion table
| Zeptovolt (zV) | Yoctovolt (yV) |
|---|---|
| 1 zV | 1,000 yV |
| 5 zV | 5,000 yV |
| 12 zV | 12,000 yV |
| 24 zV | 24,000 yV |
| 120 zV | 120,000 yV |
| 240 zV | 240,000 yV |
Reverse conversion: Yoctovolt to Zeptovolt
1 yV × 0.001 = 0.001 zV
1 yoctovolt = 0.001 zeptovolts.
zeptovolts = yoctovolts × 0.001
For a page dedicated to this direction, see Yoctovolt to Zeptovolt.
Understanding the Zeptovolt (zV)
Zeptovolt is 1e-21 volt units.
Understanding the Yoctovolt (yV)
Yoctovolt is 1e-24 volt units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yoctovolts are in 1 zeptovolt?
1 zeptovolt equals 1,000 yoctovolts, using the exact defined conversion factor rather than an estimate.
How do I convert zeptovolt to yoctovolt?
Multiply the zeptovolt value by 1000. The converter above does this instantly to whatever precision you set.
How do I convert yoctovolt back to zeptovolt?
Use the reverse factor: 1 yoctovolt equals 0.001 zeptovolts. You can also use the swap control in the converter above to flip the direction instantly.
What is a zeptovolt?
Zeptovolt (zV) is a unit of electricity.
What is a yoctovolt?
Yoctovolt (yV) is a unit of electricity.
Is the zeptovolt to yoctovolt conversion exact?
Yes. Both zeptovolt and yoctovolt 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.
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.