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Ultimate LED Conversion Data

By Editorial Team • Updated July 10, 2026

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This master chart lists the recommended LED replacements for widely used legacy lighting technologies. Use this as a primary reference for calculating ROI and selecting the correct fixture wattage. Want this calculator on your website? Get the free widget code →

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Master Replacement Table

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Tech Current Wattage Target LED Equivalent Est. Lumens Action

Incandescent

Traditional light bulbs that produce light by heating a tungsten filament. Very inefficient — only 2-3% of energy becomes light.
Inc 15W 1.5–2W 110 lm
Inc 25W 3–4W 225 lm
Inc 40W 5–6W 450 lm
Inc 60W 8–9W 800 lm
Inc 75W 10–12W 1,100 lm
Inc 100W 14–16W 1,600 lm
Inc 150W 20–25W 2,600 lm
Inc 200W 25–30W 3,200 lm

Halogen

Improved incandescent with halogen gas that recycles tungsten back to filament. Better efficiency and whiter light than standard incandescent.
Hal 20W 3–3W 230 lm
Hal 35W 5–6W 450 lm
Hal 50W 7–9W 675 lm
Hal 75W 10–12W 1,050 lm
Hal 100W 13–16W 1,500 lm
Hal 150W 20–25W 2,400 lm
Hal 300W 35–45W 4,750 lm
Hal 500W 60–80W 8,750 lm

CFL

Energy-saving spiral or folded tube bulbs that use about 75% less energy than incandescent. Contains small amount of mercury requiring special disposal.
CFL 9W 5–6W 450 lm
CFL 13W 8–9W 800 lm
CFL 18W 10–12W 1,100 lm
CFL 23W 14–16W 1,600 lm
CFL 26W 15–18W 1,750 lm
CFL 42W 25–30W 2,750 lm

Fluorescent Tube

Linear fluorescent tubes in various diameters (T5, T8, T12). T8 is most common modern standard. Contains mercury requiring proper disposal.
Fluor 28W 12–16W 2,750 lm
Fluor 32W 12–18W 2,875 lm
Fluor 40W 14–18W 2,900 lm
Fluor 54W 24–27W 5,000 lm

Metal Halide

HID lamp with excellent color rendering. Produces bright white light ideal for retail, sports facilities, and warehouses.
MH 70W 25–35W 4,000 lm (mean)
MH 100W 35–50W 6,000 lm (mean)
MH 150W 60–80W 9,750 lm (mean)
MH 175W 60–80W 10,500 lm (mean)
MH 250W 90–120W 14,500 lm (mean)
MH 400W 130–180W 23,500 lm (mean)
MH 1000W 300–450W 65,000 lm (mean)

High-Pressure Sodium

Very efficient HID lamp producing distinctive orange/amber light. Most common in street lighting and outdoor security.
HPS 70W 25–45W 5,700 lm (mean)
HPS 150W 80–110W 14,400 lm (mean)
HPS 250W 140–180W 25,000 lm (mean)
HPS 400W 250–350W 45,000 lm (mean)
HPS 1000W 750–900W 126,000 lm (mean)