
Milwaukee M18 FUEL Circular Saw
Score: 82/100Milwaukee M12 Fuel 5-3-Inch Circular Saw
Score: 72/100Rankings

The Milwaukee M18 Fuel 6-1/2" Circular Saw is a lightweight, brushless cordless tool designed for professional framing and woodworking tasks. Its main limitation is an obstructed sight line at square cuts, which can affect alignment precision. It is best suited for professionals needing a compact saw for overhead or tight-space cuts in 2x lumber and OSB.
The Milwaukee M12 FUEL 5-3/8 Inch Circular Saw is a highly portable, cordless tool designed for professionals working in tight or overhead spaces. Its primary limitation is the reduced cutting depth and power compared to larger 18V or corded saws. It is best suited for electricians, plumbers, and trim carpenters who prioritize maneuverability over heavy-duty ripping capacity.
| Attribute | ![]() | Milwaukee M12 Fuel 5-3-Inch Circular Saw |
|---|---|---|
6.5 inchesbest | 5.375 inches | |
2.25 inchesbest | 1.625 inches | |
6,000 RPMbest | 3,600 RPM | |
50 degreesbest | 50 degreesbest | |
18 Vbest | 12 V | |
| ↓ lower better | 6.7 lbs | 4.6 lbsbest |
0.625 inchesbest | 0.394 inches |
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| Attribute | ![]() | Milwaukee M12 Fuel 5-3-Inch Circular Saw |
|---|---|---|
Power & Motor(1) | ||
Voltage (V) | 18 V | 12 V |
Performance & Cutting(4) | ||
Blade Diameter (inches) | 6.5 inches | 5.375 inches |
Cutting Depth at 90 Degrees (inches) | 2.25 inches | 1.625 inches |
No-Load Speed (RPM) | 6000 RPM | 3600 RPM |
Arbor Size (inches) | 0.625 inches | 0.394 inches |
General & Warranty(1) | ||
Warranty Length (years) | years | null years |
Design & Ergonomics(2) | ||
Weight (lbs) | 6.7 lbs | 4.6 lbs |
Handle Type | Comfort Grip | |
Features & Accessories(2) | ||
Electric Brake | true | false |
Spindle Lock | true | |

Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Milwaukee M18 Fuel 6-1/2" Circular Saw for its confident cutting power, lightweight design, and improved speed, noting that the 6,000 RPM motor enables rips through demanding materials.
Everyday users commonly praise the tool's lightweight maneuverability and long runtime on high-output batteries, which support full-day framing jobs.
Official Milwaukee sources and retailer specifications praise the tool for its professional portability and power, describing it as extremely portable for smaller spaces and overhead work.

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