Electrical Units Conversions
Convert electrical units — amps, volts, ohms, milliamps. Free calculators for electronics, circuits, and Ohm's law work.
10 units · 8 conversions
Electrical measurements describe current (amperes), potential difference (volts), and resistance (ohms). Prefixes like milli- (10⁻³) and kilo- (10³) appear constantly in datasheets, Arduino projects, and circuit design.
Converting milliamps to amps or kilohms to ohms is straightforward decimal shifting with defined SI prefixes. Our tools help when comparing component ratings or applying Ohm's law (V = I × R) across different unit scales.
Popular electrical units conversions
Real-world example
An LED datasheet lists 20 mA forward current but your bench supply display shows amps. Converting 20 mA = 0.02 A — the limit to set so the LED is not overdriven.
All electrical units conversions
Electrical Units units explained
- Amperes (A) · base unit
- Also: amperes, amps
- Milliamperes (mA)
- Also: milliamperes, milliamps
- Microamperes (μA)
- Also: microamperes, microamps
- Kiloamperes (kA)
- Also: kiloamperes
- Volts (V)
- Also: volts
- Millivolts (mV)
- Also: millivolts
- Kilovolts (kV)
- Also: kilovolts
- Ohms (Ω)
- Also: ohms
- Kilohms (kΩ)
- Also: kilohms
- Megohms (MΩ)
- Also: megohms
Frequently asked questions
- How many milliamps are in an amp?
- One ampere equals 1,000 milliamperes.
- What does kilohm mean?
- One kilohm (kΩ) equals 1,000 ohms. Similarly, 1 MΩ = 1,000,000 Ω.