Exaohm is 1000000000000000000 ohm units.
Exaohms to Ronnaohms Converter — EOhm to ROhm
Convert Exaohm (EOhm) to Ronnaohm (ROhm) using the exact conversion factor (1 exaohm = 1e-9 ronnaohm). See the formula, worked examples, and conversion table.
Exaohms to Ronnaohms 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.
Ronnaohm is 1e+27 ohm units.
Result = input x 1e+18 / 1e+27.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Exaohms to Ronnaohms
Exaohm and Ronnaohm 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: Exaohm is 1000000000000000000 ohm units, and ronnaohm is 1e+27 ohm units.
Formula
ronnaohms = exaohms × 1e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 exaohm equals 1e+18 base units, and 1 ronnaohm equals 1e+27 base units, so dividing one by the other gives the direct exaohm-to-ronnaohm factor of 1e-9.
Simple example
1 EOhm × 1e-9 = 1e-9 ROhm
1 exaohm = 1e-9 ronnaohms.
Real-world example
120 EOhm × 1e-9 = 1.2e-7 ROhm
120 exaohms = 1.2e-7 ronnaohms.
Conversion table
| Exaohm (EOhm) | Ronnaohm (ROhm) |
|---|---|
| 1 EOhm | 1e-9 ROhm |
| 5 EOhm | 5e-9 ROhm |
| 12 EOhm | 1.2e-8 ROhm |
| 24 EOhm | 2.4e-8 ROhm |
| 120 EOhm | 1.2e-7 ROhm |
| 240 EOhm | 2.4e-7 ROhm |
Reverse conversion: Ronnaohm to Exaohm
1e-9 ROhm × 1000000000 = 1 EOhm
1e-9 ronnaohms = 1 exaohms.
exaohms = ronnaohms × 1000000000
For a page dedicated to this direction, see Ronnaohm to Exaohm.
Understanding the Exaohm (EOhm)
Exaohm is 1000000000000000000 ohm units.
Understanding the Ronnaohm (ROhm)
Ronnaohm is 1e+27 ohm units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ronnaohms are in 1 exaohm?
1 exaohm equals 1e-9 ronnaohms, using the exact defined conversion factor rather than an estimate.
How do I convert exaohm to ronnaohm?
Multiply the exaohm value by 1e-9. The converter above does this instantly to whatever precision you set.
How do I convert ronnaohm back to exaohm?
Use the reverse factor: 1 ronnaohm equals 1,000,000,000 exaohms. You can also use the swap control in the converter above to flip the direction instantly.
What is a exaohm?
Exaohm (EOhm) is a unit of electricity.
What is a ronnaohm?
Ronnaohm (ROhm) is a unit of electricity.
Is the exaohm to ronnaohm conversion exact?
Yes. Both exaohm and ronnaohm are defined by fixed standards rather than physical artifacts, so the factor of 1e-9 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.