Converter category
Resistance Converter
Convert between ohms, kiloohms, megaohms, and other electrical resistance units.
Universal Resistance Converter
About resistance conversions
Electrical resistance conversions are fundamental in electronics, circuit design, power distribution, and component selection. Our resistance converter covers SI units such as ohms, kilohms, megohms, and gigohms, plus smaller units like milliohms and microhms. It also includes historical CGS units such as the abohm and statohm. Whether you are calculating Ohm's law, selecting resistors, measuring wire resistance, or analyzing high-impedance circuits, this converter provides accurate results.
Most popular resistance conversions
Available units
Popular resistance conversions (56 total)
Unit definitions
Ohm (Ω)
SI unit of electrical resistance.
Origin: Named after Georg Ohm (1789-1854).
Current use: Electronics, Circuit design, Resistors
Kilohm (kΩ)
One thousand ohms.
Origin: SI prefix kilo- = 1000.
Current use: Electronics, Pull-up resistors, Audio circuits
Megohm (MΩ)
One million ohms.
Origin: SI prefix mega- = 10^6.
Current use: High-value resistors, Insulation, Medical devices
Gigohm (GΩ)
One billion ohms.
Origin: SI prefix giga- = 10^9.
Current use: Insulation measurement, Scientific instruments, Geology
Milliohm (mΩ)
One thousandth of an ohm.
Origin: SI prefix milli- = 0.001.
Current use: Current sensing, Power electronics, Motor winding
Microohm (µΩ)
One millionth of an ohm.
Origin: SI prefix micro- = 10^-6.
Current use: Low-resistance measurement, Battery internal resistance, Contact resistance
Abohm (abΩ)
CGS electromagnetic unit of resistance.
Origin: Part of the CGS system.
Current use: Electromagnetics, Historical physics, CGS system
Statohm (statΩ)
CGS electrostatic unit of resistance = 8.99×10^11 ohms.
Origin: Part of the CGS system.
Current use: Electrostatics, Historical physics, CGS system
Common uses for resistance conversions
Resistance conversions are used for resistor selection, Ohm's law calculations, wire sizing, impedance matching, sensor circuits, and electronics repair.
Frequently asked questions about resistance
How many ohms are in 1 kilohm?+
1 kilohm equals 1,000 ohms.
What is electrical resistance?+
Resistance is the opposition to electric current flow in a material. It is measured in ohms and depends on material, length, and cross-sectional area.
Which resistance units does this converter support?+
It supports SI resistance units from microhms to gigohms, plus historical CGS units.