Femtoohm is 1e-15 ohm units.
Femtoohms to Yoctoohms Converter — fOhm to yOhm
Convert Femtoohm (fOhm) to Yoctoohm (yOhm) using the exact conversion factor (1 femtoohm = 1,000,000,000 yoctoohm). See the formula, worked examples, and conversion table.
Femtoohms to Yoctoohms 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.
Yoctoohm is 1e-24 ohm units.
Result = input x 1e-15 / 1e-24.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Femtoohms to Yoctoohms
Femtoohm and Yoctoohm 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: Femtoohm is 1e-15 ohm units, and yoctoohm is 1e-24 ohm units.
Formula
yoctoohms = femtoohms × 1000000000
This factor comes from each unit's defined relationship to the category's base unit: 1 femtoohm equals 1e-15 base units, and 1 yoctoohm equals 1e-24 base units, so dividing one by the other gives the direct femtoohm-to-yoctoohm factor of 1000000000.
Simple example
1 fOhm × 1000000000 = 1,000,000,000 yOhm
1 femtoohm = 1,000,000,000 yoctoohms.
Real-world example
120 fOhm × 1000000000 = 120,000,000,000 yOhm
120 femtoohms = 120,000,000,000 yoctoohms.
Conversion table
| Femtoohm (fOhm) | Yoctoohm (yOhm) |
|---|---|
| 1 fOhm | 1,000,000,000 yOhm |
| 5 fOhm | 5,000,000,000 yOhm |
| 12 fOhm | 12,000,000,000 yOhm |
| 24 fOhm | 24,000,000,000 yOhm |
| 120 fOhm | 120,000,000,000 yOhm |
| 240 fOhm | 240,000,000,000 yOhm |
Reverse conversion: Yoctoohm to Femtoohm
1 yOhm × 1e-9 = 1e-9 fOhm
1 yoctoohm = 1e-9 femtoohms.
femtoohms = yoctoohms × 1e-9
For a page dedicated to this direction, see Yoctoohm to Femtoohm.
Understanding the Femtoohm (fOhm)
Femtoohm is 1e-15 ohm units.
Understanding the Yoctoohm (yOhm)
Yoctoohm is 1e-24 ohm units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yoctoohms are in 1 femtoohm?
1 femtoohm equals 1,000,000,000 yoctoohms, using the exact defined conversion factor rather than an estimate.
How do I convert femtoohm to yoctoohm?
Multiply the femtoohm value by 1000000000. The converter above does this instantly to whatever precision you set.
How do I convert yoctoohm back to femtoohm?
Use the reverse factor: 1 yoctoohm equals 1e-9 femtoohms. You can also use the swap control in the converter above to flip the direction instantly.
What is a femtoohm?
Femtoohm (fOhm) is a unit of electricity.
What is a yoctoohm?
Yoctoohm (yOhm) is a unit of electricity.
Is the femtoohm to yoctoohm conversion exact?
Yes. Both femtoohm and yoctoohm are defined by fixed standards rather than physical artifacts, so the factor of 1000000000 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.