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How to Choose a Cordless Drill: A Complete Buyer's Guide
A cordless drill is the one power tool almost every home eventually needs — and the one most people overbuy or underbuy. Get the voltage, chuck, and battery platform right and you’ll own a tool that handles the next decade of projects; guess wrong and you’ll be fighting stripped screws and dead batteries by the weekend.
The short answer
For most homeowners, a 18V/20V-max brushless drill/driver with a 1/2-inch chuck and two batteries is the right buy. It has the torque for deck screws and the finesse for hanging pictures. Only go up to a hammer drill if you regularly drill into brick or concrete, and only drop to a compact 12V if lightweight one-handed work is all you do.
Start with the battery platform, not the drill
The single most important decision isn’t which drill — it’s which battery system you’re buying into. Every major brand (DeWalt 20V MAX, Milwaukee M18, Makita 18V LXT, Ryobi ONE+, Bosch 18V) uses batteries that only fit that brand’s tools. Once you own three or four batteries and chargers for one system, switching brands means re-buying all of it. So pick a platform you’ll stay in, then buy the drill.
Homeowners and DIYers are well served by Ryobi ONE+ or DeWalt 20V MAX — huge tool lineups, fair prices, batteries everywhere. Tradespeople and serious remodelers tend toward Milwaukee M18 or Makita LXT for run-time and durability. There’s no wrong answer, but there is a lock-in, so choose deliberately.
Voltage: how much power do you actually need?
Voltage is a rough proxy for power and weight. More volts means more torque and longer run-time, but also a heavier, bulkier tool. Here’s how the common classes shake out.
| Class | Best for | Trade-off |
|---|---|---|
| 12V compact | Furniture assembly, cabinet hardware, light repairs, tight spaces | Runs out of torque on lag screws and large bits |
| 18V / 20V-max | The all-rounder — decks, framing, drilling wood and metal, most home projects | Heavier than a 12V; overkill for pure light-duty use |
| Hammer drill (18V/20V) | Everything an 18V does, plus drilling into brick, block, and concrete | Heavier still; hammer mode is useless on wood |
Tip: “20V MAX” and “18V” are the same battery physics — 20V is the peak no-load voltage, 18V is the nominal working voltage. Don’t pay extra thinking 20V is a whole class above 18V; it isn’t.
Brushless motors are worth it
A brushless motor has no carbon brushes to wear out, runs cooler, and squeezes noticeably more work out of each charge — often 30–50% more run-time than an older brushed model. It also senses load and adjusts, so it doesn’t bog down or overheat as easily. Brushless used to be a premium; today it’s standard on most mid-tier cordless drills and absolutely worth the small upcharge. Only skip it on the cheapest occasional-use tools.
Chuck, clutch, and the specs that matter
Once voltage and motor are settled, a few details separate a good drill from a frustrating one. Use this checklist when comparing models.
- Chuck size: A 1/2-inch keyless chuck accepts bigger bits and holds them tighter than a 3/8-inch. Get 1/2-inch unless you’re buying a compact.
- Clutch settings: An adjustable clutch (the numbered ring) stops the drill at a set torque so you don’t strip screws or sink them too deep. More settings = finer control.
- Two speed ranges: Low speed/high torque for driving screws; high speed/low torque for drilling holes. Non-negotiable on a real drill.
- Torque rating: Measured in inch-pounds. 300+ in-lbs handles most home tasks; 500+ muscles through lag bolts and large spade bits.
- Battery amp-hours (Ah): Higher Ah = longer run-time and more weight. A 2.0Ah is light for around-the-house use; 4.0–5.0Ah is for long sessions.
- Built-in LED: Small thing, big daily payoff when you’re working in a cabinet or under a sink.
Whatever you buy, budget for good accessories. A cheap bit will undo an expensive drill — a quality set of drill bits and driver bits makes even a modest tool feel precise. For bigger holes, add hole saws for door hardware and pipe runs.
Drill/driver vs. hammer drill vs. impact driver
These three get confused constantly. A drill/driver is your everyday tool for holes and screws. A hammer drill adds a rapid forward-punching action for masonry — get it only if brick or concrete is in your future. An impact driver is a separate tool that delivers rotational bursts to drive long screws and lag bolts with almost no wrist strain, but it’s not ideal for precise drilling. Many people eventually own a drill and an impact driver as a two-tool combo kit — often the best value in the whole power tool aisle.
Pick by who’s holding it
FIRST-TIME HOMEOWNER
One brushless 18V/20V drill/driver with two 2.0Ah batteries covers 95% of what a house throws at you. Add a starter bit set and you’re done. Ryobi ONE+ or DeWalt 20V MAX are safe, affordable entries.
WEEKEND REMODELER
Buy the drill + impact driver combo kit with 4.0Ah batteries. The impact driver saves your wrist on decks and framing; the higher-Ah packs keep you going all afternoon. Milwaukee M18 or Makita LXT reward the extra spend.
APARTMENT / LIGHT DUTY
A compact 12V drill is lighter, cheaper, and fits a drawer. Perfect for flat-pack furniture, curtain rods, and cabinet knobs. You give up muscle for lag bolts, but you likely won’t miss it.
Shop the whole project
Everything for your first (or next) drill
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Frequently asked questions
What voltage cordless drill do I need for home use?
For most homeowners, an 18V or 20V-max drill is the sweet spot. It has enough torque for deck screws, lag bolts, and drilling into wood and metal, while staying manageable for everyday tasks like hanging shelves. Choose a 12V only if you want the lightest possible tool for furniture assembly and light repairs.
Is a brushless drill worth the extra money?
Yes, for almost everyone. A brushless motor runs cooler, lasts longer with no brushes to wear out, and delivers 30 to 50 percent more run-time per charge. The price gap has shrunk to the point where brushless is the default choice unless you only need a drill for rare, light jobs.
What is the difference between a drill and an impact driver?
A drill/driver bores holes and drives screws with steady rotation and an adjustable clutch for control. An impact driver delivers rotational bursts of power to drive long screws and lag bolts quickly with less wrist strain, but it is not ideal for precise drilling. Many people own both, often bought together as a combo kit.
Can I mix battery brands on my cordless drill?
No. Each brand uses batteries that only fit that brand's tools, so a DeWalt battery will not power a Milwaukee drill and vice versa. That is why you should choose a battery platform first and stay within it, since switching brands later means re-buying batteries and chargers.
Do I need a hammer drill?
Only if you regularly drill into masonry like brick, block, or concrete. A hammer drill adds a punching action for those materials but is heavier and offers no benefit on wood or metal. For typical home projects, a standard drill/driver is lighter and does everything you need.
Buying your first drill should feel simple: pick a battery platform, get a brushless 18V/20V drill/driver, add good bits, and you’re set for years. Still deciding between models? Your local independent hardware store can put a few in your hand to compare the grip and weight, or you can ask us here and we’ll point you to the right one.
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