Home » Calculators » Led Strip Driver Calculator
Choosing the right power supply for LED strips can be tricky. Our LED strip driver calculator makes it easy—just enter your strip’s input voltage, wattage per meter, and total length, and we’ll instantly calculate the driver current in amps. This ensures your LEDs run safely, efficiently, and with maximum brightness. Ideal for false ceiling profile lights or cove lighting provisions, DIY projects, or professional lighting installs, this tool takes the guesswork out of LED driver selection.
Answers to the most common questions about calculating the right LED strip driver, including current (amps), voltage, and total wattage requirements for safe and efficient LED setups.
To size an LED strip driver, multiply your strip’s wattage per meter by the total length, then divide by the input voltage. Always add a 20–30% safety margin when selecting a driver to ensure reliable performance.
It depends on the LED strip’s wattage per meter and voltage. For example, a 12V strip using 4.8W per meter at 5 meters requires 5 × 4.8 ÷ 12 = 2A. With a safety margin, choose a 2.5A or higher LED driver.
If the driver cannot supply enough amps, your LED strip may dim, flicker, or fail prematurely. Always select a driver that meets or slightly exceeds the calculated current.
Yes. LED strips only draw the current they need, so using a higher-amp driver is safe and can improve reliability, as long as the voltage matches your strip.
Most LED strips run on low-voltage DC power (commonly 12V or 24V). A driver or power supply converts AC mains to the correct DC output for your LED strips.
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