Electric Resistance
Complete list of electric resistance units for conversion
- ohm
- 1 megohm = 1000000 ohm
- 1 microhm = 1.0E-6 ohm
- 1 volt/ampere [V/A] = 1 ohm
- 1 reciprocal siemens [1/S] = 1 ohm
- 1 abohm = 1.0E-9 ohm
- 1 EMU of resistance = 1.0E-9 ohm
- 1 statohm = 898755200000 ohm
- 1 ESU of resistance = 898755200000 ohm
- 1 Quantized Hall resistance = 25812.8056 ohm
What is electric resistance and the units?
Resistance, measured in ohms (Ω), is crucial in determining how much a material opposes the flow of electric current. Converting resistance units is essential for precise calculations in electrical circuits. For instance, 1 megohm equals 1,000,000 ohms, while 1 microhm equals 1.0E-6 ohms, representing very large and small resistances, respectively.
In standard electrical systems, 1 volt per ampere (V/A) equals 1 ohm, highlighting the direct relationship between voltage, current, and resistance. Additionally, 1 reciprocal siemens (1/S) equals 1 ohm, offering an alternative perspective from the viewpoint of conductance.
For smaller units, the abohm and the EMU of resistance are both equal to 1.0E-9 ohms. Conversely, much larger resistances are represented by the statohm and the ESU of resistance, both equaling 898,755,200,000 ohms. The quantized Hall resistance is a special value of 25,812.8056 ohms, relevant in quantum physics. These conversions enable precise calculations in both practical and theoretical applications of electrical resistance.
Popular Electricity Resistance Unit Conversions
Ohms to Milliohms
1 Ω = 1,000 mΩ
When working with low-resistance measurements, it’s common to convert ohms to milliohms for better precision. For example, in microelectronics or high-frequency applications, resistances are measured in milliohms.
Example Conversion:
- Convert 2.5 Ω to milliohms:
- 2.5 Ω=2.5×1000=2500 mΩ
Milliohms to Ohms
1 mΩ = 0.001 Ω
To convert from milliohms to ohms, you divide by 1,000.
Example Conversion:
- Convert 2500 mΩ to ohms:
- 2500 mΩ=25001000=2.5 Ω
Ohms to Kilohms
1 kΩ = 1,000 Ω
This conversion is typically used when dealing with medium resistance values.
Example Conversion:
- Convert 1,500 Ω to kilohms:
- 1,500 Ω=1,5001,000=1.5 kΩ
Kilohms to Ohms
1 kΩ = 1,000 Ω
This conversion is often needed when switching between large-scale and smaller measurements.
Example Conversion:
- Convert 5.2 kΩ to ohms:
- 5.2 kΩ=5.2×1000=5200 Ω
Ohms to Megohms
1 MΩ = 1,000,000 Ω
Use this conversion for high-resistance measurements in applications like insulation testing.
Example Conversion:
- Convert 2,000,000 Ω to megohms:
- 2,000,000 Ω=2,000,0001,000,000=2 MΩ
Megohms to Ohms
1 MΩ = 1,000,000 Ω
Example Conversion:
- Convert 10 MΩ to ohms:
- 10 MΩ=10×1,000,000=10,000,000 Ω
Ohms to Gigaohms
1 GΩ = 1,000,000,000 Ω
This conversion is used for very high resistance values in specialty applications like testing insulation in high-voltage systems.
Example Conversion:
- Convert 1.5 GΩ to ohms:
- 1.5 GΩ=1.5×1,000,000,000=1,500,000,000 Ω
Gigaohms to Ohms
1 GΩ = 1,000,000,000 Ω
Example Conversion:
- Convert 3.5 GΩ to ohms:
- 3.5 GΩ=3.5×1,000,000,000=3,500,000,000 Ω
Conclusion
Understanding and converting electricity resistance units is essential for professionals in electrical and electronic fields. Whether you’re dealing with small-scale circuits, high-voltage systems, or precision measurements, the ability to easily convert between units such as ohms, milliohms, kilohms, megaohms, and gigaohms is crucial for accurate designs, calculations, and troubleshooting.
Use the conversion widget tool above to quickly convert between different units, and always ensure that you are using the most appropriate units for your specific application.
By mastering electrical resistance unit conversions, you’ll be able to improve the efficiency and accuracy of your electrical projects, from circuit design to testing and analysis.