Electronics & Device Power Calculators

Calculate LED strip voltage drop, power supply requirements, and wire gauge to ensure consistent brightness in lighting installations.

Calculate electricity costs for crypto mining rigs including ASIC/GPU power draw and cooling overhead.

Estimate wireless security camera runtime based on motion events, resolution and environment.

Calculate the annual energy use and cost of smart home hubs and connected devices running 24/7.

Estimate how long emergency radios will run based on battery size, current draw, operating mode, and temperature.

Estimate runtime for portable power stations based on connected load, efficiency losses, and environment.

Estimate how long your Ring doorbell battery will last based on events, Wi-Fi strength, and video settings.

Determine total power consumption for home theater systems and size an appropriate UPS for backup power.

Calculate the correct current-limiting resistor value and power rating for LEDs in simple circuits.

Estimate monthly electricity costs for your gaming PC based on component selection, daily usage, and electricity rates.

Estimate laptop battery degradation and runtime based on age, usage patterns, charging habits, and environmental factors to maximize battery life and device efficiency.

Estimate battery health and runtime for popular smartwatches based on usage patterns and charging habits.

Calculate backup power requirements for 3D printers to prevent failed prints and maintain continuous operation.

Calculate battery life and runtime for LED flashlights based on battery type, capacity, and usage patterns.