⚡ Resistance Converter

Convert between resistance units for electronics and physics

📋 General
🔄 Converter
🧮 Calculator
💡 Examples
📖 Guide
🎯 Professional Resistance Converter
⚡ Resistance Units
Convert between all common resistance units used in electronics and physics.
  • Ohm (Ω) - Base unit
  • Kiloohm (kΩ) - 1,000 ohms
  • Megaohm (MΩ) - 1,000,000 ohms
  • Gigaohm (GΩ) - 1,000,000,000 ohms
  • Milliohm (mΩ) - 0.001 ohms
🔧 Electronics Tools
Professional tools for electronic circuit design and analysis.
  • Resistor color code calculator
  • Parallel resistance calculator
  • Series resistance calculator
  • Voltage divider calculator
  • Power dissipation calculator
📐 Applications
Essential for circuit design, electronics education, and engineering.
  • Circuit design and analysis
  • Component selection
  • Educational purposes
  • Quality control testing
  • Troubleshooting circuits
⚡
Basic Conversion
Convert ohms to kiloohms
Try Example
🔌
High Resistance
Work with megaohm values
Try Example
🎯
Precision Values
Handle milliohm measurements
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🔬
Circuit Analysis
Calculate parallel resistance
Try Example
🔄 Resistance Unit Converter
🚀 Quick Conversions
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🧮 Resistance Calculators
🔗 Series Resistance Calculator
R_total = R1 + R2 + R3
🔀 Parallel Resistance Calculator
1/R_total = 1/R1 + 1/R2 + 1/R3
📐 Voltage Divider Calculator
Vout = Vin × (R2 / (R1 + R2))
⚡ Power Dissipation Calculator
P = V²/R = I²×R = V×I
💡 Resistance Conversion Examples
Basic Unit Conversions
1000 Ω = 1 kΩ
1000 kΩ = 1 MΩ
1000 MΩ = 1 GΩ
1 Ω = 1000 mΩ
Common Resistor Values
Standard E12 Series:
1.0, 1.2, 1.5, 1.8, 2.2, 2.7, 3.3, 3.9, 4.7, 5.6, 6.8, 8.2 kΩ
Series Resistance Example
Given: R1 = 100Ω, R2 = 220Ω, R3 = 330Ω
R_total = 100 + 220 + 330 = 650Ω
Parallel Resistance Example
Given: R1 = 100Ω, R2 = 100Ω
R_total = (100 × 100) / (100 + 100) = 50Ω
Voltage Divider Example
Given: Vin = 12V, R1 = 1kΩ, R2 = 2kΩ
Vout = 12 × (2000 / (1000 + 2000)) = 8V
Power Dissipation Example
Given: V = 5V, R = 100Ω
P = V²/R = 25/100 = 0.25W = 250mW
🎨 Resistor Color Code Reference
Color Value Multiplier Tolerance Sample
Black 0 ×1 -
Brown 1 ×10 ±1%
Red 2 ×100 ±2%
Orange 3 ×1k -
Yellow 4 ×10k -
Green 5 ×100k ±0.5%
Blue 6 ×1M ±0.25%
Violet 7 ×10M ±0.1%
Gray 8 ×100M ±0.05%
White 9 ×1G -
Gold - ×0.1 ±5%
Silver - ×0.01 ±10%
📖 Resistance Conversion Guide
🎯 What is Resistance?
Electrical resistance is the opposition to the flow of electric current. It's measured in ohms (Ω) and follows Ohm's Law: V = I × R.
  • Ohm (Ω) is the base unit
  • Higher resistance = less current flow
  • Temperature affects resistance
  • Material properties determine resistance
🔧 Unit Prefixes
Understanding metric prefixes is essential for working with resistance values in electronics.
  • milli (m) = 10⁻³ (0.001)
  • kilo (k) = 10³ (1,000)
  • mega (M) = 10⁶ (1,000,000)
  • giga (G) = 10⁹ (1,000,000,000)
⚡ Ohm's Law Applications
Ohm's Law is fundamental to understanding electrical circuits and resistance calculations.
  • V = I × R (Voltage = Current × Resistance)
  • I = V / R (Current = Voltage / Resistance)
  • R = V / I (Resistance = Voltage / Current)
  • P = V² / R (Power = Voltage² / Resistance)
🚀 Best Practices
Follow these guidelines for accurate resistance measurements and calculations.
  • Use appropriate measurement ranges
  • Consider temperature coefficients
  • Account for component tolerances
  • Verify calculations with measurements
🔬 Common Applications
Resistance converters are essential tools in various fields of electronics and engineering.
  • Circuit design and analysis
  • Component selection and verification
  • Educational demonstrations
  • Quality control testing
📏 Measurement Tips
Accurate resistance measurement requires proper techniques and understanding of limitations.
  • Use 4-wire measurement for low resistance
  • Isolate components from circuit
  • Consider lead resistance
  • Account for self-heating effects