Switch Calculator Hub
Professional calculation tools for electrical switches, resistors, and components. Designed for engineers, technicians, and professionals in the electrical industry.
Electrical Calculator
Calculate Current, Voltage, and Power using Ohm's Law
Enter Known Values
Calculated Results
Voltage (V):
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Current (A):
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Resistance (Ω):
-
Power (W):
-
Ohm's Law Formulas
V = I × R (Voltage = Current × Resistance)
I = V ÷ R (Current = Voltage ÷ Resistance)
R = V ÷ I (Resistance = Voltage ÷ Current)
P = V × I (Power = Voltage × Current)
P = I² × R (Power = Current² × Resistance)
P = V² ÷ R (Power = Voltage² ÷ Resistance)
Interactive Switch Selection Calculator
Switch Specifications
Recommended Products
WR Series Rocker Switch
95% Match
WT Series Toggle Switch
88% Match
WP Series Push Button
75% Match
Quick Reference Guide
Voltage Ratings
- Low: 5V - 24V DC
- Medium: 110V - 125V AC
- High: 220V - 250V AC
Current Ratings
- Micro: 0.1A - 3A
- Standard: 6A - 16A
- Heavy Duty: 20A - 25A
Certifications
- UL (United States)
- VDE/TUV (Germany)
- ENEC (European Union)
- CQC (China)
Applications
- Household Appliances
- Medical Equipment
- Automotive Industry
- Industrial Control
Need Custom Calculations?
Our engineering team can help with custom calculations and switch selection for your specific application requirements.