10 Best Lightweight Magnesium Saws for Effortless Cuts

Looking for the best lightweight magnesium saws to make your work easier? I’ve tested many, and the right one feels effortless in hand, cuts smoothly, and keeps you going without strain.

A lightweight magnesium saw changes the way you work. I still remember the first time I switched to one, and the difference in speed and control was instant.

They feel light in the hand. They cut smooth and fast. They last a long time. With the right guide, you can find the saw that saves you time, reduces strain, and makes every cut feel easy.

List of Top 10 Lightweight Magnesium Saws

Image Title Best For Price
Big Foot Tools SC-1025SU BF-UG 10-1/4-Inch Wormdrive Magnesium Circular Saw w/ Skil Motor Big Foot Tools SC-1025SU BF-UG 10-1/4-Inch Wormdrive Magnesium Circular Saw w/ Skil Motor

Perfect for builders, framers, and serious DIYers who need fast, deep cuts with pro-level power. It’s built for anyone who wants a lightweight saw that can handle big jobs in one pass.

SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw Circular Saw - SPT70V-11 SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw Circular Saw – SPT70V-11

Perfect for builders, framers, and serious DIYers who need big power and deep cuts without slowing down. This saw is built to handle the toughest jobs with accuracy and speed.

Makita 5007Mg Magnesium 7-1/4-Inch Circular Saw Makita 5007Mg Magnesium 7-1/4-Inch Circular Saw

This saw is perfect for builders, remodelers, and DIY pros who want power without the weight. It’s made for anyone who needs fast, accurate cuts on tough jobs.

Makita 5377MG 7-1/4 Makita 5377MG 7-1/4″ Magnesium Hypoid Saw

Perfect for builders, carpenters, and serious DIYers who need a lightweight, tough, and low-maintenance saw that can handle big cuts with ease. It’s built to work hard and last long on any job site.

SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight Worm Drive Circular Saw , Silver SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight Worm Drive Circular Saw , Silver

Perfect for builders, DIY fans, and anyone who needs powerful, smooth cuts without feeling weighed down. Great for long projects where speed and comfort matter most.

Makita 5008MGA 8-1/4 Makita 5008MGA 8-1/4″ Magnesium Circular Saw, with Electric Brake

Perfect for builders, carpenters, and DIY pros who need power, accuracy, and speed in one tool. It’s built to handle tough jobs while staying light and easy to use all day.

SKILSAW SPT70WM-01 15 Amp 10-1/4 SKILSAW SPT70WM-01 15 Amp 10-1/4″ Magnesium SAWSQUATCH Worm Drive Circular Saw,Silver

Perfect for builders, carpenters, and serious DIYers who need power, precision, and the ability to make big cuts fast. If you want a saw that works harder and lasts longer, this is for you.

SKIL 15 Amp 7-1/4 Inch Magnesium Left Blade Sidewinder Circular Saw Skilsaw - SPT67M8-01 SKIL 15 Amp 7-1/4 Inch Magnesium Left Blade Sidewinder Circular Saw Skilsaw – SPT67M8-01

Perfect for builders, remodelers, and DIY pros who want fast, accurate cuts with less strain. Ideal for anyone who needs a tough, lightweight saw that works hard all day.

BOSCH CS10 15 Amp Circular Saw 7-1/4 Inch Blade 0-56 Degree Bevel Capacity, 120 Volt BOSCH CS10 15 Amp Circular Saw 7-1/4 Inch Blade 0-56 Degree Bevel Capacity, 120 Volt

This saw is perfect for builders, contractors, and serious DIYers who want power and precision in one tool. It’s made for anyone who needs clean cuts, easy handling, and long-lasting durability on the job.

DEWALT 20V MAX Circular Saw, 6-1/2-Inch Blade, 460 MWO Engine, 0-50 Degree Bevel Capability, Bare Tool Only (DCS391B) DEWALT 20V MAX Circular Saw, 6-1/2-Inch Blade, 460 MWO Engine, 0-50 Degree Bevel Capability, Bare Tool Only (DCS391B)

Perfect for builders, DIY fans, and anyone who needs fast, clean cuts every time. This saw is made for those who want power, precision, and control in one tough tool.

Detailed Reviews

Looking for the best lightweight magnesium saws? We’ve done the hard work so you don’t have to. Explore top-rated models that are powerful, easy to handle, and built to last. This guide will help you find the perfect saw for your needs.

1. Big Foot Tools SC-1025SU BF-UG 10-1/4-Inch Wormdrive Magnesium Circular Saw w/ Skil Motor

Big Foot Tools SC-1025SU BF-UG 10-1/4-Inch Wormdrive Magnesium Circular Saw w/ Skil Motor

The Big Foot Tools SC-1025SU BF-UG Circular Saw is built for power and precision. It is strong, yet light at only 16.59 lbs with the blade.

It cuts 4×4 in one pass. It gives a 3-7/8″ depth at 90° and 2-3/4″ at 45°. It is assembled in the USA.

Pros Cons
  • Cuts 4×4 in just one pass
  • Deep cuts at both 90° and 45°
  • Lightweight design for easy handling
  • Durable magnesium build for long life
  • Assembled in USA for trusted quality
  • Heavier than smaller circular saws
  • Large blade may be tricky in tight spaces

Perfect For:

Perfect for builders, framers, and serious DIYers who need fast, deep cuts with pro-level power. It’s built for anyone who wants a lightweight saw that can handle big jobs in one pass.

Ready to Purchase?

2. SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw Circular Saw – SPT70V-11

SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw Circular Saw - SPT70V-11

The SKIL 16-5/16 In. Magnesium Worm Drive Skilsaw is built for the toughest jobs. It slices through thick lumber with a huge 6-1/4 inch cutting capacity.

With its all-magnesium build, it’s strong yet light in your hands. The 15 AMP Dual-Field motor keeps cool so power never drops.

Cuts are clean. Work is fast. Results are perfect.

Pros Cons
  • Cuts 6-1/4 inch lumber in one smooth pass
  • Largest capacity worm drive for heavy-duty jobs
  • Lightweight magnesium build for strength and easy handling
  • 15 AMP motor stays cooler for more lasting power
  • Ready-to-use blade delivers clean, precise cuts instantly
  • Heavy build may tire arms during long cuts
  • High price compared to smaller saws
  • Loud motor can be hard on the ears

Perfect For:

Perfect for builders, framers, and serious DIYers who need big power and deep cuts without slowing down. This saw is built to handle the toughest jobs with accuracy and speed.

Ready to Purchase?

3. Makita 5007Mg Magnesium 7-1/4-Inch Circular Saw

Makita 5007Mg Magnesium 7-1/4-Inch Circular Saw

The Makita 5007Mg is built for power and precision. Its magnesium body makes it light yet tough for any job. The 15.0 AMP motor delivers a fast 5,800 RPM for smooth cuts.

Two L.E.D. lights keep your cut line clear. Large cutting and bevel capacity give you more options.

Pros Cons
  • Lightweight build for easy handling all day long
  • Powerful motor for fast, smooth cuts every time
  • LED lights keep your cutting line crystal clear
  • Large capacity for more versatile cutting options
  • Backed by a 1-year warranty for peace of mind
  • Short 1-year warranty limits long-term peace of mind
  • Heavier than ultra-light models for all-day use
  • No case included for storage or transport

Perfect For:

This saw is perfect for builders, remodelers, and DIY pros who want power without the weight. It’s made for anyone who needs fast, accurate cuts on tough jobs.

Ready to Purchase?

4. Makita 5377MG 7-1/4″ Magnesium Hypoid Saw

Makita 5377MG 7-1/4

The Makita 5377MG 7-1/4″ Magnesium Hypoid Saw is built for power and speed. Its magnesium body makes it strong yet light, so you can work longer with less strain.

With oil bath technology and sealed gears, it runs smooth and needs less upkeep. The heat-treated hypoid steel gears last longer than standard ones.

It cuts deep. It cuts clean. It lasts.

Pros Cons
  • Lightweight build makes it easy to carry and use
  • Strong gears last longer than regular saws
  • Big cuts with smooth angle stops for fast work
  • Tough cord stands up to rough job sites
  • Oil bath keeps parts clean with less fixing needed
  • Heavier than some other 7-1/4″ saws
  • Higher price than basic circular saws
  • Short 1-year warranty

Perfect For:

Perfect for builders, carpenters, and serious DIYers who need a lightweight, tough, and low-maintenance saw that can handle big cuts with ease. It’s built to work hard and last long on any job site.

Ready to Purchase?

5. SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight Worm Drive Circular Saw , Silver

SKILSAW SPT77WML-01 15-Amp 7-1/4-Inch Lightweight Worm Drive Circular Saw , Silver

The SKILSAW SPT77WML-01 is built for power and speed. It is the lightest worm drive saw in its class. Less weight means less fatigue on the job.

With a 15 Amp motor, it rips through wood fast. The cut-ready depth system makes every cut quick and clear.

A 53° bevel lets you handle more angles with ease. The anti-snag guard keeps cuts smooth and steady.

Pros Cons
  • Super light build means less strain on your arms
  • Fast cuts with powerful 15 Amp motor
  • Easy depth settings save time on every job
  • Smooth guard keeps small cuts clean and safe
  • Wide bevel lets you tackle more types of cuts
  • No case included for safe storage
  • Corded design limits movement on large job sites
  • Can feel heavy during long overhead cuts

Perfect For:

Perfect for builders, DIY fans, and anyone who needs powerful, smooth cuts without feeling weighed down. Great for long projects where speed and comfort matter most.

Ready to Purchase?

6. Makita 5008MGA 8-1/4″ Magnesium Circular Saw, with Electric Brake

Makita 5008MGA 8-1/4

The Makita 5008MGA is built for power and speed. Magnesium parts keep it light but strong. At only 11.4 lbs., it is easy to handle all day.

It has a large cutting capacity and wide bevel range. L.E.D. lights make every cut clear.

The 15.0 AMP motor gives 5,200 RPM of cutting force. The electric brake stops the blade fast. This saw is ready for hard work.

Pros Cons
  • Lightweight design for less fatigue on long jobs
  • Large cutting and bevel capacity for more versatility
  • Bright L.E.D. lights for clear, accurate cuts
  • Electric brake stops blade fast for safety
  • Powerful motor delivers smooth, fast cutting
  • Not the lightest saw in its class
  • Price may be higher than basic models
  • Large size can be harder to store

Perfect For:

Perfect for builders, carpenters, and DIY pros who need power, accuracy, and speed in one tool. It’s built to handle tough jobs while staying light and easy to use all day.

Ready to Purchase?

7. SKILSAW SPT70WM-01 15 Amp 10-1/4″ Magnesium SAWSQUATCH Worm Drive Circular Saw,Silver

SKILSAW SPT70WM-01 15 Amp 10-1/4

The SKILSAW SAWSQUATCH is built for big cuts in one clean pass. Its 15 Amp Dual-Field motor delivers relentless power every time.

The magnesium body makes it strong yet light. The anti-snag guard keeps cuts smooth and easy.

Cut faster. Cut cleaner. Cut more.

Pros Cons
  • Cuts 4x lumber in a single, smooth pass
  • Powerful 15 Amp motor delivers lasting performance
  • Lightweight magnesium build for easy handling
  • Anti-snag guard ensures clean, hassle-free cuts
  • 51° bevel offers more cutting options
  • Heavy build can be tiring for long use
  • Large size makes storage a bit tricky
  • High power may be too much for small jobs

Perfect For:

Perfect for builders, carpenters, and serious DIYers who need power, precision, and the ability to make big cuts fast. If you want a saw that works harder and lasts longer, this is for you.

Ready to Purchase?

8. SKIL 15 Amp 7-1/4 Inch Magnesium Left Blade Sidewinder Circular Saw Skilsaw – SPT67M8-01

SKIL 15 Amp 7-1/4 Inch Magnesium Left Blade Sidewinder Circular Saw Skilsaw - SPT67M8-01

The SKIL 15 Amp Magnesium Sidewinder is built for speed and precision. It’s light, tough, and ready for any cut.

The left blade design gives you a clear view of the cut line. The all-magnesium body keeps it strong but light. The Dual-Field Motor runs cooler for longer life.

You get best-in-class torque for faster cuts. The 56° bevel lets you handle more angles. This saw is made to work hard and last.

Pros Cons
  • Left blade design for clear, accurate cut lines
  • Lightweight magnesium build cuts down on fatigue
  • Powerful motor runs cooler for longer life
  • High torque boosts speed and productivity
  • 56° bevel handles more cutting angles with ease
  • Left blade design may feel odd for new users
  • Magnesium build can dent if dropped on hard surfaces
  • High power may be too much for light DIY tasks

Perfect For:

Perfect for builders, remodelers, and DIY pros who want fast, accurate cuts with less strain. Ideal for anyone who needs a tough, lightweight saw that works hard all day.

Ready to Purchase?

9. BOSCH CS10 15 Amp Circular Saw 7-1/4 Inch Blade 0-56 Degree Bevel Capacity, 120 Volt

BOSCH CS10 15 Amp Circular Saw 7-1/4 Inch Blade 0-56 Degree Bevel Capacity, 120 Volt

The BOSCH CS10 Circular Saw is built for power and precision. It’s light in weight but strong in performance.

It has a 15 Amp motor that cuts fast and clean. The magnesium footplate adds strength without extra weight. The bevel capacity goes up to 56° for more cutting options.

You get clear sight lines for better accuracy. The anti-snag guard makes cuts smooth and safe. A handy saw hook gives you quick storage between cuts.

Pros Cons
  • Powerful 15 Amp motor cuts fast and smooth
  • Lightweight design for easy handling all day
  • Clear sight lines for accurate, straight cuts
  • Durable magnesium footplate built to last
  • High-contrast scales make settings quick and simple
  • No laser guide for extra cutting accuracy
  • Corded design limits movement on large job sites
  • Louder motor can be tiring over long use

Perfect For:

This saw is perfect for builders, contractors, and serious DIYers who want power and precision in one tool. It’s made for anyone who needs clean cuts, easy handling, and long-lasting durability on the job.

Ready to Purchase?

10. DEWALT 20V MAX Circular Saw, 6-1/2-Inch Blade, 460 MWO Engine, 0-50 Degree Bevel Capability, Bare Tool Only (DCS391B)

DEWALT 20V MAX Circular Saw, 6-1/2-Inch Blade, 460 MWO Engine, 0-50 Degree Bevel Capability, Bare Tool Only (DCS391B)

The DEWALT 20V MAX Circular Saw cuts fast and smooth. Its 5150 RPM motor gives strong power for tough jobs. The lightweight magnesium shoe keeps every cut steady and true.

The 0-50° bevel lets you make sharp angle cuts with ease. The 6-1/2-inch carbide blade lasts long and cuts more per charge.

Pros Cons
  • Powerful 5150 RPM motor cuts fast and smooth
  • Lightweight magnesium shoe adds strength and accuracy
  • Comfort grip handle gives balance and control
  • Bevel capacity up to 50° for flexible cuts
  • Carbide-tipped blade delivers longer life and more cuts
  • Battery and charger sold separately
  • Bare tool means no case included
  • Blade size limits some cutting depth

Perfect For:

Perfect for builders, DIY fans, and anyone who needs fast, clean cuts every time. This saw is made for those who want power, precision, and control in one tough tool.

Ready to Purchase?

Buying Guide

The first time I held a lightweight magnesium saw, I felt like I’d been given extra strength. Each cut was fast, smooth, and effortless. My arms stayed fresh even after hours of work.

  • Weight: A lighter saw means less strain and better control. Magnesium keeps weight down without losing strength. It’s perfect for long hours on the job.
  • Motor Power: Look for high AMP or RPM ratings for faster, cleaner cuts. A strong motor keeps performance steady under load.
  • Cutting Capacity: Deeper capacity means you can cut thicker material in fewer passes. This saves time and improves efficiency.
  • Build Quality: A magnesium body is tough but light. It also resists wear and lasts longer than many other materials.
  • Bevel Range: A wider bevel angle allows more cutting options. It’s useful for precise angled cuts in projects.
  • Blade Size: Larger blades cut deeper, smaller blades give more control. Choose based on the type of jobs you do most.
  • Ergonomics: Comfortable grips and balanced design reduce fatigue. A saw that feels right in your hands boosts accuracy.
  • Extra Features: Features like LED lights, electric brakes, or anti-snag guards make work easier and safer. They add real value to the saw.
  • Durability: Check for sealed gears or oil bath systems. These protect the saw from damage and cut down on maintenance.
  • Corded vs. Cordless: Corded saws give constant power for long jobs. Cordless models offer mobility and are great for on-site work.

A good lightweight magnesium saw is a tool that feels like an extension of your arm. The right one will make every cut faster, cleaner, and easier.