LED Array Calculator
Design LED arrays with optimal series/parallel configuration and resistor values.
LED Array Parameters
Array Configuration
4
Series
3
Parallel
12
Total LEDs
Resistor Requirements
Calculated Value180.0 Ohms
Standard Value180 Ohms
Resistors Needed3
Total Resistor Power216.0 mW
Power Analysis
Total Current60.0 mA
Total Power720.0 mW
Efficiency70.0%
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.