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LED Savings Calculator

See how much you save by switching from incandescent bulbs to LED lighting and calculate your payback period.

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How Much Money Do LED Bulbs Actually Save?

LED bulbs use 75-85% less energy than traditional incandescent bulbs and last 15-25 times longer. According to ENERGY STAR certified product data, the average household that switches all its bulbs to LED saves - per year on lighting costs — making it one of the simplest and highest-ROI energy improvements available.

Our LED Savings Calculator shows you exactly how much each bulb swap saves based on your usage patterns and local electricity rate. With LED bulb prices now under per bulb at most retailers, the payback period for most replacements is under 6 months.

LED vs Incandescent: The Numbers

  • Energy use: A 60W incandescent equivalent LED uses just 8-10 watts. At .172/kWh and 4 hours/day use, that's .83/month for LED vs. .00/month for incandescent — saving .17/month per bulb.
  • Lifespan: LEDs last 15,000-25,000 hours vs. 1,000-2,000 for incandescent. That's 10-25 years of normal use vs. 1-2 years.
  • Total cost of ownership: Over 10 years, one 60W-equivalent LED bulb costs about (bulb + electricity) vs. for incandescent bulbs (replacement bulbs + electricity).
  • Heat output: LEDs produce 80% less heat, reducing your AC load in summer — an additional indirect savings of -/year per room.

Frequently Asked Questions

Are LED bulbs really worth the higher upfront cost?▼

Absolutely. An LED bulb costs - more than an incandescent upfront but saves - over its lifetime through reduced electricity use and elimination of replacement purchases. At current LED prices (- per bulb), the payback period is often under 3 months for frequently-used bulbs.

Which bulbs should I replace first for maximum savings?▼

Prioritize the bulbs that are on the most hours per day: kitchen overhead lights, living room lamps, and outdoor/security lighting. A bulb used 8 hours/day saves 4x more than one used 2 hours/day. Also replace incandescent bulbs in hard-to-reach fixtures first — the extended LED lifespan means fewer ladder trips for replacements.

Do LED bulbs work in enclosed fixtures and dimmers?▼

Most modern LEDs are rated for enclosed fixtures and dimmers, but you need to check the packaging. Not all LEDs are dimmer-compatible — using a non-dimmable LED on a dimmer can cause flickering or reduce lifespan by 50%. Look for "dimmable" and "enclosed fixture rated" on the packaging.

What about CFL bulbs — are they still a good option?▼

CFLs use about 70% less energy than incandescents (good) but contain mercury and only last 8,000-10,000 hours (not as good as LEDs at 15,000-25,000 hours). LEDs are now so affordable that CFLs no longer offer a meaningful cost advantage. For any new purchase, LEDs are the recommended choice.