A Zeptovolt (zV) equals 1e-21 volt(s), a scaled unit of electric potential used for zepto-scale electrical work.
Zeptovolts to Volts
Convert Zeptovolt (zV) to Volt (V) instantly with an exact formula, conversion table, and FAQ.
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Convert zeptovolts (zV) to volts (V) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
The volt (V) is the SI unit of electric potential difference, the "push" that drives current through a circuit.
V = zV × 1.000000e-21
Results update instantly for Zeptovolts to Volts conversions.
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Formula
V = zV × 1.000000e-21
zV = V × 1.000000e+21
Conversion table
| 1 zV | 1.000000e-21 V |
| 5 zV | 5.000000e-21 V |
| 10 zV | 1.000000e-20 V |
| 20 zV | 2.000000e-20 V |
| 50 zV | 5.000000e-20 V |
| 100 zV | 1.000000e-19 V |
| 500 zV | 5.000000e-19 V |
| 1000 zV | 1.000000e-18 V |
Related conversions
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How the formula works
Both zeptovolt and volt measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in zeptovolts by 1.000000e-21 to get volts. To reverse the conversion, multiply a volt value by 1.000000e+21 to get back to zeptovolts.
Frequently asked questions
What is Zeptovolt (zV)?
A Zeptovolt (zV) equals 1e-21 volt(s), a scaled unit of electric potential used for zepto-scale electrical work.
What is Volt (V)?
The volt (V) is the SI unit of electric potential difference, the "push" that drives current through a circuit.
How do I convert zeptovolts to volts?
Multiply the zeptovolt value by 1.000000e-21 to get the equivalent in volts. For example, 5 zV × 1.000000e-21 = 5.000000e-21 V.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 1.000000e-21 is an exact, non-rounded value.
Can I convert volts back to zeptovolts?
Yes. Divide the volt value by 1.000000e-21, or multiply it by 1.000000e+21, to get zeptovolts.
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About converting zeptovolts to volts
A Zeptovolt (zV) equals 1e-21 volt(s), a scaled unit of electric potential used for zepto-scale electrical work. The volt (V) is the SI unit of electric potential difference, the "push" that drives current through a circuit.
Use this calculator to move between zeptovolts and volts accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.