Cara Menghitung LED Lighting Savings

learn.whatIsHeading

LED bulbs use 75–90% less energy than incandescent bulbs and last 15–25× longer. This calculator quantifies the annual financial savings from switching.

Rumus

Annual savings = (Old wattage − LED wattage) × Hours per year × Price per kWh / 1,000

Panduan Langkah demi Langkah

1Annual saving = (Old W − LED W) / 1000 × Hours/day × 365 × Rate × Bulbs
260W incandescent → 9W LED (85% energy saving)
3LED lifespan: 15,000–25,000 hours vs 1,000 (incandescent)
4Payback period usually under 1 year at typical electricity prices

Contoh Terpecahkan

Masukan

12 bulbs: 60W→9W, 5h/day, $0.30/kWh

Hasil

Annual saving = 12×51W×5×365×$0.30/1000 = $335

Pertanyaan yang sering diajukan

What is Led Savings?

LED bulbs use 75–90% less energy than incandescent bulbs and last 15–25× longer. This calculator quantifies the annual financial savings from switching

How accurate is the Led Savings calculator?

The calculator uses the standard published formula for led savings. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Led Savings calculator use?

This calculator works with pounds, inches, percentages, watts. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Led Savings calculator use?

The core formula is: Annual saving = (Old W − LED W) / 1000 × Hours/day × 365 × Rate × Bulbs. Each step in the calculation is shown so you can verify the result manually.

Siap menghitung? Coba Kalkulator LED Lighting Savings gratis

Cobalah sendiri →