All Calculators
Comprehensive collection of electronics engineering calculators to help you with component calculations and circuit analysis.
Resistor Calculators
Color code, SMD code, series/parallel, voltage divider calculators for resistors
8 calculators
View CalculatorsCapacitor Calculators
Series/parallel, impedance, charging/discharging calculators for capacitors
6 calculators
View CalculatorsInductor Calculators
Series/parallel, core design, mutual inductance calculators for inductors
5 calculators
View CalculatorsSemiconductor Calculators
Diode, transistor, MOSFET, and thermal calculators for semiconductors
4 calculators
View CalculatorsCircuit Calculators
Filter design, timing circuits, power analysis calculators
7 calculators
View CalculatorsTemperature Calculators
Temperature conversion, thermal analysis, heat transfer and cooling system calculators
5 calculators
View CalculatorsCalculator Categories Overview
Resistor Calculators
Essential tools for resistor calculations and circuit design. Our comprehensive resistor calculators help you select, analyze and verify resistor values for your electronic designs.
- Color code calculator for 4, 5, and 6 band resistors with visual guides
- SMD resistor code converter with common package sizes
- Series and parallel resistance calculator with current distribution
- Power rating calculator with temperature derating
- Voltage divider design tool with loading effects analysis
- Temperature coefficient calculator for precision applications
- Current shunt calculator for measurement circuits
- Pull-up/down resistor calculator for digital circuits
Capacitor Calculators
Comprehensive tools for capacitor selection and analysis, featuring advanced calculations for timing and filtering applications.
- Capacitor charge/discharge calculator with timing graphs
- RC time constant analysis with voltage curves
- Impedance and reactance calculator with frequency response
- Series/parallel capacitance calculator for filter design
- Energy storage calculator for power applications
- ESR impact calculator for power supply design
- Temperature characteristics calculator
- Capacitor voltage rating calculator
Inductor Calculators
Specialized tools for inductor design and analysis, including core selection and winding calculations.
- Air core inductor calculator with physical dimensions
- Toroid core calculator with material properties
- Series/parallel inductance combinations
- Inductor impedance vs frequency calculator
- Quality factor (Q) calculator
- Inductance vs frequency characteristics
- Mutual inductance calculator
Circuit Analysis Tools
Advanced calculators for circuit design and analysis, supporting both analog and digital circuit development.
- Filter design with response curves and component values
- 555 timer circuit calculator for various operating modes
- Power analysis calculator with efficiency calculations
- Impedance matching tools for signal integrity
- Resonant circuit calculator with bandwidth analysis
- Voltage divider calculator with loading effects
- Current divider calculator for parallel circuits
- Phase shift calculator for AC circuits
Temperature Calculators
Essential tools for thermal management and temperature-related calculations in electronic systems.
- Temperature conversion between °C, °F, and K
- Component temperature rise calculator
- Thermal resistance calculator for heat transfer
- Heat sink sizing calculator
- Junction temperature calculator for semiconductors
- Power derating calculator with temperature
- Cooling system requirements calculator
Using Our Calculators
Features
- Real-time calculations with instant results
- Support for multiple units and formats
- Detailed explanations and formulas
- Mobile-friendly interface
- Save and share calculation results
Best Practices
- Verify input units before calculation
- Consider tolerance and safety margins
- Check results against expected ranges
- Use appropriate significant figures
- Reference datasheets for component limits
Calculator Applications
Component Selection
- Resistor color code reading
- SMD component identification
- Series/parallel combinations
- Power rating selection
- Component value conversion
Basic Calculations
- Voltage drop calculation
- Current distribution
- Power dissipation
- Temperature conversion
- RC/LC time constants
Circuit Analysis
- Voltage divider design
- Filter calculations
- 555 timer design
- LED current limiting
- Basic thermal analysis