Calculator category
LED Calculators
LED calculators support practical lighting and indicator design by helping engineers calculate current-limiting values, power dissipation, operating current, and component margins. These tools are useful for embedded hardware, front-panel indicators, LED strip design, and high-power lighting circuits where thermal and current limits must be checked.
Available Calculators
12
In Development
0
Coming Soon
0
Calculators
Available tools link to working calculators. In-development and coming-soon tools show the current roadmap for this category.
PurposeCalculate current-limiting resistor value and recommended power rating.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate LED operating current, resistor voltage drop, resistor power, LED power, and total circuit power.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate LED power, supply power, resistor loss, and total circuit power for single LEDs, series strings, and LED arrays.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate maximum LEDs in series, required resistor value, LED string current, voltage headroom, power, and efficiency.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate branch current, resistor values, LED count, total power, and supply requirements for parallel LED arrays.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate LED strip power, supply current, voltage drop, power injection, controller sizing, and battery runtime.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate high-power LED junction temperature, heat dissipation, heatsink thermal resistance, thermal margin, and safe current.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate LED driver efficiency, input power, output power, power loss, thermal rise, supply requirements, and annual energy use.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeCalculate LED PWM duty cycle, average current, on-time, timer register values, gamma correction, resolution, switching loss, and dimming frequency.
InputFrequency / Value
OutputImpedance / Frequency
PurposeCalculate separate resistor values, current, and power for red, green, and blue RGB LED channels.
InputVoltage / Current / Rating
OutputPower / Margin
PurposeConvert lumens, candela, and lux, and estimate luminous efficacy, beam angle, LED quantity, and lighting performance.
InputEngineering parameters
OutputCalculated result
PurposeConvert LED CIE xy, uv, and u′v′ coordinates, estimate CCT and Duv, and compare white LED chromaticity points.
InputEngineering parameters
OutputCalculated result
Engineering Applications
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