Free Engineering Calculators
Electrical, electronics, mechanical, RF, and conversion tools
WAARDCO provides free engineering calculators for design checks, power systems, PCB work, mechanical sizing, unit conversion, and product development.
Available tools
- Resistor Color Code - Component Codes
- SMD Capacitor Code - Component Codes
- SMD Resistor Code - Component Codes
- Capacitance Conversion - Component Values
- Inductance Conversion - Component Values
- Decimal ↔ Fraction - Conversions
- Energy Conversion - Conversions
- Force Conversion - Conversions
- Length Conversion - Conversions
- Number Base Conversion - Conversions
- Pressure Conversion - Conversions
- Temperature Conversion - Conversions
- Volume Conversion - Conversions
- Weight Conversion - Conversions
- Current Divider - Electrical Basics
- LED Series Resistor - Electrical Basics
- Ohm's Law Calculator - Electrical Basics
- Parallel & Series Resistor - Electrical Basics
- Voltage Divider - Electrical Basics
- 555 Timer Calculator - Electronics
- Low/High Pass Filter - Electronics
- Parallel & Series Capacitor - Electronics
- RC Time Constant - Electronics
- Reactance Calculator - Electronics
- Belt Length & Wrap Angle - Mechanical
- Dynamic Metal Weight - Mechanical
- Fluid & Pump Levels - Mechanical
- Gear Ratio Calculator - Mechanical
- Motor & Drive Calculator - Mechanical
- Sheet Metal Bending (K-Factor) - Mechanical
Contact WAARDCO at [email protected] or +90 552 561 8865.