# Best Cordless Circular Saws for Decking and Framing (2026) Six cordless circular saws ranked on published cut depth, bevel, brake and battery for cutting deck boards, joists, posts and stair stringers. Buying guide page: (published 2026-10-06, updated 2026-10-06). This Markdown version has the picks, how they were ranked, their published specs and the figures behind them; product links and the full article are on the page. ## Key takeaways - For decking and framing, check the published cut depth at 45°: a dry 2× is 1-1/2 in thick, and every pick here bevels through it, the 6-1/2 in Milwaukee by just 1/16 in. - A 4×4 post (3-1/2 in) takes two square cuts from opposite faces with any of these saws. A 6×6 (5-1/2 in) does not: the deepest reaches 5-1/4 in from two faces, so finish it with a handsaw. - All six picks have an electric brake, which stops the blade soon after you let go of the trigger. - Choose the saw that runs on batteries you already own: most are sold as bare tools, and batteries mostly stay within one brand. - Picks are ranked on the makers' published specs for this job, not on our own use of them. ## In this guide 1. [Quick picks](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#quick-picks) 2. [How we chose](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#methodology) 3. [The picks in detail](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#picks) 4. [Spec comparison](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#comparison) 5. [What to look for](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#what-to-look-for) 6. [Cut depth vs. real lumber thickness](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#cut-depth-vs-lumber) 7. [Worked example: the cuts in a deck and its stairs](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#deck-and-stair-cuts) 8. [Battery platforms, and brands not on this list](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#batteries-and-brands) 9. [Frequently asked questions](https://www.howmanyyardsdoineed.com/best/cordless-circular-saws-for-decking/#faq) ## Quick picks **Quick picks, in rank order** | Rank | Pick | Best for | Blade | Cut depth at 90° | | --- | --- | --- | --- | --- | | 1 | DEWALT DCS590B 20V MAX XR Brushless 7-1/4 in. Circular Saw (Tool Only) | Best overall for decking and framing | 7-1/4 in, right of the motor | 2-9/16 in at 90° | | 2 | Milwaukee 2834-20 M18 FUEL 7-1/4 in. Circular Saw (Tool Only) | Best for deep cuts on M18 batteries | 7-1/4 in | 2-5/8 in at 90° | | 3 | SKIL CR5440B-00 PWR CORE 20 Brushless 20V 7-1/4 in. Circular Saw (Tool Only) | Best for long rip cuts with a track | 7-1/4 in, blade right | 2-5/8 in at 90° | | 4 | Metabo HPT C3607DAQ4 36V MultiVolt 7-1/4 in. Cordless Circular Saw (Tool Body Only) | Best for battery or corded power | 7-1/4 in, blade right | 2-7/16 in at 90° | | 5 | Bosch GKS18V-25N PROFACTOR 18V 7-1/4 in. Circular Saw (Bare Tool) | Best for Bosch and AMPShare batteries | 7-1/4 in | 2-1/2 in at 90° | | 6 | Milwaukee 2833-20 M18 FUEL 6-1/2 in. Circular Saw (Tool Only) | Best compact saw for deck boards | 6-1/2 in | 2-1/4 in at 90° | ## How we chose Ranked on published manufacturer specs and features for cutting deck boards, joists, posts and stair stringers; not hands-on tested. Every spec is quoted from the maker's product page or manual and was checked on 2026-10-06. No prices or ratings are shown; the order is a judgment on these criteria: 1. **Cut depth at 45°.** A 45° bevel through framing lumber needs at least 1-1/2 in of depth at 45°, the dry thickness of a 2×. More depth leaves room for steeper bevels and for lumber that runs a little thick. 2. **Cut depth at 90°.** Every saw here cuts straight through deck boards and joists. Posts are the test: a deeper square cut gets through a 4×4 from two faces with more to spare and leaves less to finish by hand on a 6×6. 3. **Bevel range and stops.** Deck, stair and roof framing use 22.5° and 45° bevels. A published maximum bevel, with stops at those angles, makes them quick to set and repeat. 4. **Electric brake.** A brake stops the blade soon after you let go of the trigger, so you wait less between the many repeated cuts a deck takes. 5. **Battery platform.** Batteries mostly stay within one brand, so the saw that runs on batteries you already own is usually the one to pick. Voltage labels differ between brands for the same class of battery, so we do not rank on the number. 6. **Published weight.** A lighter saw is easier to hold through a long day of cuts. Makers weigh with and without the battery, so we only compare weights that say which. ## The picks in detail ### 1. Best overall for decking and framing: DEWALT DCS590B **DEWALT DCS590B 20V MAX XR Brushless 7-1/4 in. Circular Saw (Tool Only).** Its 2 in at 45° is tied for the deepest bevel cut here, 1/2 in more than a 1-1/2 in 2×, with 2-9/16 in at 90°, the widest published bevel (up to 57°, with stops at 22.5° and 45°) and an electric brake. DEWALT notes its 20V MAX batteries are 18V nominal. Ranked on: cut depth at 45°, cut depth at 90°, bevel range and stops, electric brake. - Blade: 7-1/4 in, right of the motor - Cut depth at 90°: 2-9/16 in at 90° - Cut depth at 45°: 2 in at 45° - Bevel: Up to 57°; stops at 22.5° and 45° - Brake: Electric - Battery: 20V MAX (18V nominal); battery and charger sold separately - No-load speed: Up to 5,500 rpm Specs from [DEWALT 20V MAX XR Brushless Cordless 7-1/4 in. Circular Saw (DCS590B) product page](https://www.dewalt.com/en-us/product/dcs590b/20v-max-xr-brushless-cordless-7-14-circular-saw-tool-only) (checked 2026-10-06). ### 2. Best for deep cuts on M18 batteries: Milwaukee 2834-20 **Milwaukee 2834-20 M18 FUEL 7-1/4 in. Circular Saw (Tool Only).** 2-5/8 in at 90°, tied for the deepest square cut here, and 2 in at 45°, tied for the deepest bevel cut, with an electric brake and 6,000 rpm on M18 batteries. It ranks second only because Milwaukee publishes bevel detents at 22.5° and 45° but no maximum bevel. Ranked on: cut depth at 90°, cut depth at 45°, electric brake, battery platform. - Blade: 7-1/4 in - Cut depth at 90°: 2-5/8 in at 90° - Cut depth at 45°: 2 in at 45° - Bevel: Detents at 22.5° and 45° - Brake: Electric - Battery: M18 (18V) - Included: Tool only - No-load speed: 6,000 rpm Specs from [Milwaukee M18 FUEL 7-1/4 in. Circular Saw (Tool Only) (2834-20) product page](https://www.milwaukeetool.com/products/details/m18-fuel-7-1-4-circular-saw-tool-only/2834-20), [Milwaukee 2834-20 M18 FUEL 7-1/4 in. circular saw operator's manual (PDF)](https://documents.milwaukeetool.com/58-14-0586.pdf) (checked 2026-10-06). ### 3. Best for long rip cuts with a track: SKIL CR5440B-00 **SKIL CR5440B-00 PWR CORE 20 Brushless 20V 7-1/4 in. Circular Saw (Tool Only).** Its shoe fits SKIL's 2 × 27.5 in track guide (sold separately) for long, straight rips such as a deck's last row. It matches the deepest square cut here, 2-5/8 in at 90°, with 1-13/16 in at 45°, a 0–56° bevel, an electric brake and a published tool weight of 7.05 lb. Ranked on: cut depth at 90°, bevel range and stops, electric brake, published weight. - Blade: 7-1/4 in, blade right - Cut depth at 90°: 2-5/8 in at 90° - Cut depth at 45°: 1-13/16 in at 45° - Bevel: 0–56° - Brake: Electric - Battery: 20V PWR CORE 20; also sold as the saw only - Weight: 7.05 lb (tool weight) - Track: Shoe fits the SKIL 2 × 27.5 in track guide, sold separately - No-load speed: Up to 5,300 rpm Specs from [SKIL PWR CORE 20 Brushless 20V 7-1/4 In. Circular Saw (CR5440B) product page](https://www.skil.com/products/pwrcore-20v-circular-saw-cr5440b) (checked 2026-10-06). ### 4. Best for battery or corded power: Metabo HPT C3607DAQ4 **Metabo HPT C3607DAQ4 36V MultiVolt 7-1/4 in. Cordless Circular Saw (Tool Body Only).** It runs on a 36V MultiVolt battery or, through an AC adapter, on a cord (both sold separately). It cuts 1-7/8 in at 45° and still 1-17/32 in at its 55° maximum, more than a 1-1/2 in 2×, with 2-7/16 in at 90°, an electric brake and a weight of 9.7 lb with the battery. Ranked on: battery platform, cut depth at 45°, bevel range and stops, electric brake. - Blade: 7-1/4 in, blade right - Cut depth at 90°: 2-7/16 in at 90° - Cut depth at 45°: 1-7/8 in at 45° - Bevel: Up to 55°; 1-17/32 in deep at 55° - Brake: Electric - Battery: 36V MultiVolt battery or AC adapter with cord, both sold separately - Weight: 9.7 lb with 36V battery - No-load speed: 4,300 rpm (power mode) Specs from [Metabo HPT 36V MultiVolt 7-1/4 Inch Cordless Circular Saw (Tool Body Only) (C3607DAQ4) product page](https://www.metabo-hpt.com/products/product/c3607daq4-36v-multivolt-brushless-7-1-4-in-circular-saw-tool-body-only) (checked 2026-10-06). ### 5. Best for Bosch and AMPShare batteries: Bosch GKS18V-25N **Bosch GKS18V-25N PROFACTOR 18V 7-1/4 in. Circular Saw (Bare Tool).** 2-1/2 in at 90°, 1-13/16 in at 45° and 1-5/8 in at its 50° maximum, enough for a 2× across its whole bevel range, plus an electric brake. Its 18V batteries also fit tools from other AMPShare brands. Ranked on: battery platform, cut depth at 45°, bevel range and stops, electric brake. - Blade: 7-1/4 in - Cut depth at 90°: 2-1/2 in at 90° - Cut depth at 45°: 1-13/16 in at 45° - Bevel: 0–50°; 1-5/8 in deep at 50° - Brake: Electric - Battery: 18V, AMPShare compatible; bare tool - No-load speed: 5,000 rpm Specs from [Bosch PROFACTOR 18V 7-1/4 In. Circular Saw (Bare Tool) (GKS18V-25N) product page](https://www.boschtools.com/us/en/products/gks18v-25n-06016C9016) (checked 2026-10-06). ### 6. Best compact saw for deck boards: Milwaukee 2833-20 **Milwaukee 2833-20 M18 FUEL 6-1/2 in. Circular Saw (Tool Only).** A 6-1/2 in blade with 2-1/4 in at 90° and 1-9/16 in at 45°, an electric brake and 6,000 rpm on M18 batteries. At 45° it clears a 1-1/2 in 2× by just 1/16 in, so it suits deck boards, plywood and square cuts more than steep bevels in framing. Ranked on: cut depth at 45°, electric brake, battery platform. - Blade: 6-1/2 in - Cut depth at 90°: 2-1/4 in at 90° - Cut depth at 45°: 1-9/16 in at 45° - Bevel: Detents at 22.5° and 45° - Brake: Electric - Battery: M18 (18V) - Included: Tool only - No-load speed: 6,000 rpm Specs from [Milwaukee M18 FUEL 6-1/2 in. Circular Saw (Tool Only) (2833-20) product page](https://www.milwaukeetool.com/products/details/m18-fuel-6-1-2-circular-saw-tool-only/2833-20), [Milwaukee 2833-20 M18 FUEL 6-1/2 in. circular saw operator's manual (PDF)](https://documents.milwaukeetool.com/58-14-0235.pdf) (checked 2026-10-06). ## Spec comparison **Published specs of each pick** | Pick | Blade | Cut depth at 90° | Cut depth at 45° | Bevel | Brake | Battery | | --- | --- | --- | --- | --- | --- | --- | | 1. DEWALT DCS590B | 7-1/4 in, right of the motor | 2-9/16 in at 90° | 2 in at 45° | Up to 57°; stops at 22.5° and 45° | Electric | 20V MAX (18V nominal); battery and charger sold separately | | 2. Milwaukee 2834-20 | 7-1/4 in | 2-5/8 in at 90° | 2 in at 45° | Detents at 22.5° and 45° | Electric | M18 (18V) | | 3. SKIL CR5440B-00 | 7-1/4 in, blade right | 2-5/8 in at 90° | 1-13/16 in at 45° | 0–56° | Electric | 20V PWR CORE 20; also sold as the saw only | | 4. Metabo HPT C3607DAQ4 | 7-1/4 in, blade right | 2-7/16 in at 90° | 1-7/8 in at 45° | Up to 55°; 1-17/32 in deep at 55° | Electric | 36V MultiVolt battery or AC adapter with cord, both sold separately | | 5. Bosch GKS18V-25N | 7-1/4 in | 2-1/2 in at 90° | 1-13/16 in at 45° | 0–50°; 1-5/8 in deep at 50° | Electric | 18V, AMPShare compatible; bare tool | | 6. Milwaukee 2833-20 | 6-1/2 in | 2-1/4 in at 90° | 1-9/16 in at 45° | Detents at 22.5° and 45° | Electric | M18 (18V) | “Not published” means the maker's page or manual does not state it. ## Figures behind the picks Computed with this site's calculators; the page shows the working. - 2× lumber, dry dressed thickness (PS 20): 1-1/2 in - 4×4 post, dry dressed (PS 20): 3-1/2 in square - 6×6 post, dressed 1/2 in under nominal (PS 20): 5-1/2 in square - Composite deck board, Trex Transcend or Enhance: .94 in thick - Shallowest cut at 45° among the picks, against a 2×: 1-9/16 in at 45°, 1/16 in more than 1-1/2 in - A 4×4 cut from two opposite faces at 90°: every pick: at least 2 × 2-1/4 in = 4-1/2 in, against 3-1/2 in - A 6×6 cut from two opposite faces at 90°: no pick: at most 2 × 2-5/8 in = 5-1/4 in, 1/4 in short of 5-1/2 in - Deck 16 × 12 ft, 5.5 in boards with 3/16 in gaps (deck calculator): 26 rows; 29 boards of 16 ft with a 10% allowance; last row ripped to 1-13/16 in - Stairs for a 108 in rise, risers up to 7.5 in, 10 in treads (stair calculator): 15 risers of 7-3/16 in, 14 treads, stringers 176-13/16 in (14 ft 8-13/16 in) long - One stringer cut from a 16 ft 2×12 (board-foot calculator): 32 board feet ## Frequently asked questions ### What size circular saw do I need for decking? Either size cuts through deck boards at 90°: composite boards such as Trex's are .94 in thick and a 2× is 1-1/2 in. The 7-1/4 in picks cut 2-7/16 in to 2-5/8 in deep at 90°, against 2-1/4 in for the 6-1/2 in Milwaukee. The difference shows at 45° and on posts. ### Can a 6-1/2 inch circular saw cut a 2x4 at 45 degrees? Yes, if its published cut depth at 45° is at least 1-1/2 in, the dry thickness of a 2×. The Milwaukee 2833-20 cuts 1-9/16 in at 45°, just 1/16 in more, so set the blade to full depth. ### Can a circular saw cut through a 4x4 or 6x6 post? Not in one pass. Cut a 4×4 (3-1/2 in square) from two opposite faces: every saw here reaches at least 4-1/2 in that way. A 6×6 is 5-1/2 in square, and the deepest saw here reaches 5-1/4 in from two faces, 1/4 in short, so finish the cut with a handsaw. ### Is a 20V saw more powerful than an 18V saw? Not by the label. DEWALT says its 20V MAX batteries measure 20 volts with no load and are 18V nominal, the figure other brands print. We rank on cut depth, bevel and brake instead of voltage. ### Did you test these saws? No. They are ranked on each manufacturer's published specs for decking and framing, and every spec on this page links to the maker's page or manual. Lumber thicknesses come from the American Softwood Lumber Standard (PS 20), and the deck and stair figures from this site's calculators. ## Related calculators and guides ### Calculators - [Deck Calculator](https://www.howmanyyardsdoineed.com/deck-calculator/) — Decking board count from deck size, actual board width, gap, and board length, with the cutting assumptions shown. - [Stair Calculator](https://www.howmanyyardsdoineed.com/stair-calculator/) — Number of risers and treads, exact riser height, total run, stair angle, and stringer length from floor-to-floor rise. - [Board Foot Calculator](https://www.howmanyyardsdoineed.com/board-foot-calculator/) — Board feet per piece and in total from thickness, width, length, and quantity, with optional cost at your price per board foot. ### Guides - [Deck board spacing and layout: gaps, direction, and joints](https://www.howmanyyardsdoineed.com/guides/deck-board-spacing-and-layout/) — Side and end gaps, board direction, joint placement, and last-board planning from Trex and American Wood Council guides. - [How to Lay Out Stairs: Rise, Run, and Stringers](https://www.howmanyyardsdoineed.com/guides/stair-layout-basics/) — From total rise to equal risers, tread depth, total run, and a marked-out stringer, with a worked example. - [Nominal vs. Actual Lumber Sizes](https://www.howmanyyardsdoineed.com/guides/nominal-vs-actual-lumber-sizes/) — A chart of real lumber dimensions from the national standard, dry versus green sizes, lengths, and board feet. - [Deck joist spacing and how far deck joists can span](https://www.howmanyyardsdoineed.com/guides/deck-joist-spacing-and-spans/) — Joist spacing from Trex, TimberTech, and Fiberon, DCA 6 Table 2 joist spans and overhangs, angled decking, blocking, and a joist lumber count. ## Sources - [Voluntary Product Standard PS 20-25, American Softwood Lumber Standard: nominal and dressed sizes](https://www.nist.gov/system/files/documents/2024/12/11/PS%2020-25%20Final.pdf) — National Institute of Standards and Technology. Used for: Dry dressed: 1 → 3/4 in; 2 → 1-1/2; 4 → 3-1/2; 6 → 5-1/2; 8 → 7-1/4; 10 → 9-1/4; 12 → 11-1/4. Green: 2 → 1-9/16; 4 → 3-9/16; 6 → 5-5/8; 8 → 7-1/2. Timbers 5–6 in: 1/2 in off. Dry ≤ 19% moisture. Lengths in 1 or 2 ft multiples, trimmed 0 to 3 in over nominal. Checked 2026-10-05. - [Trex Decking Installation Guide (2024)](https://images.trex.com/is/content/trexcompany/2024_Trex_Decking_Installation_Guide(update)pdf) — Trex Company. Used for: Board width 5.5 in; minimum side-to-side gap 3/16 in. Checked 2026-10-03. **Estimate only.** Results are planning estimates computed from the numbers you enter. They are not engineering, structural, or code advice. Confirm quantities, product yields, and installation requirements with your supplier, the product label, and your local building authority before you order or build.