Zettaohm is 1e+21 ohm units.
Zettaohms to Petaohms Converter — ZOhm to POhm
Convert Zettaohm (ZOhm) to Petaohm (POhm) using the exact conversion factor (1 zettaohm = 1,000,000 petaohm). See the formula, worked examples, and conversion table.
Zettaohms to Petaohms 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.
Petaohm is 1000000000000000 ohm units.
Result = input x 1e+21 / 1e+15.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Zettaohms to Petaohms
Zettaohm and Petaohm 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: Zettaohm is 1e+21 ohm units, and petaohm is 1000000000000000 ohm units.
Formula
petaohms = zettaohms × 1000000
This factor comes from each unit's defined relationship to the category's base unit: 1 zettaohm equals 1e+21 base units, and 1 petaohm equals 1e+15 base units, so dividing one by the other gives the direct zettaohm-to-petaohm factor of 1000000.
Simple example
1 ZOhm × 1000000 = 1,000,000 POhm
1 zettaohm = 1,000,000 petaohms.
Real-world example
120 ZOhm × 1000000 = 120,000,000 POhm
120 zettaohms = 120,000,000 petaohms.
Conversion table
| Zettaohm (ZOhm) | Petaohm (POhm) |
|---|---|
| 1 ZOhm | 1,000,000 POhm |
| 5 ZOhm | 5,000,000 POhm |
| 12 ZOhm | 12,000,000 POhm |
| 24 ZOhm | 24,000,000 POhm |
| 120 ZOhm | 120,000,000 POhm |
| 240 ZOhm | 240,000,000 POhm |
Reverse conversion: Petaohm to Zettaohm
1 POhm × 0.000001 = 0.000001 ZOhm
1 petaohm = 0.000001 zettaohms.
zettaohms = petaohms × 0.000001
For a page dedicated to this direction, see Petaohm to Zettaohm.
Understanding the Zettaohm (ZOhm)
Zettaohm is 1e+21 ohm units.
Understanding the Petaohm (POhm)
Petaohm is 1000000000000000 ohm units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many petaohms are in 1 zettaohm?
1 zettaohm equals 1,000,000 petaohms, using the exact defined conversion factor rather than an estimate.
How do I convert zettaohm to petaohm?
Multiply the zettaohm value by 1000000. The converter above does this instantly to whatever precision you set.
How do I convert petaohm back to zettaohm?
Use the reverse factor: 1 petaohm equals 0.000001 zettaohms. You can also use the swap control in the converter above to flip the direction instantly.
What is a zettaohm?
Zettaohm (ZOhm) is a unit of electricity.
What is a petaohm?
Petaohm (POhm) is a unit of electricity.
Is the zettaohm to petaohm conversion exact?
Yes. Both zettaohm and petaohm are defined by fixed standards rather than physical artifacts, so the factor of 1000000 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.