Masterbuilt 30 vs 40 Electric Smoker: Which Size? (November 2026)

On this page (10 sections)

1. What the Masterbuilt 30 vs 40 electric smoker sizes really change
2. Masterbuilt 30 vs 40 electric smoker side by side
3. Cooking area: how much food fits in each size?
4. Height and footprint: which size fits your patio?
5. Heat-up time and temperature control
6. Loading chips and managing the cook
7. Power use and running costs
8. Cleaning and storage between cooks
9. Which size should you buy?
10. The verdict: which size wins for most buyers?

For most backyards, the 30-inch size is the smarter buy; the extra height of a 40-inch cabinet rarely changes what you can cook. In the Masterbuilt 30 vs 40 electric smoker choice, the smaller cabinet fits more patios, heats faster and still holds enough food for a crowd.

The 30-inch Masterbuilt digital model here carries 711 square inches across 4 chrome racks. That's enough for up to 6 chickens, 2 turkeys, 4 pork butts or 4 racks of ribs.

A 40-inch cabinet adds height, and height only pays off when you routinely cook tall birds or fill every rack.

This comparison works through what the size actually changes: cooking area, footprint, heat-up time, loading and storage. We compared the specs of 30-inch electric smokers and how they handle real backyard cooks.

That way you can decide whether to step up to a 40-inch cabinet or stay compact.

What the Masterbuilt 30 vs 40 electric smoker sizes really change

The difference is cabinet height, not a different style of smoker. Both sizes are vertical electric cabinets with a water bowl, and the digital Masterbuilt uses a side chip loader while the analog uses a removable wood chip tray inside.

A 40-inch model simply gives you a taller chamber with more room between racks.

The 30-inch Masterbuilt digital smoker measures 19.8 inches deep, 20.9 inches wide and 33.3 inches tall. The analog version measures 20 x 22 x 40 inches.

A 40-inch cabinet grows mainly in that last number.

That taller body buys more vertical clearance. Taller birds and stacked racks fit without touching the rack above.

It does not buy a different cooking method, fuel type or control system.

The extra height costs you in other ways. A taller cabinet takes longer to heat, is heavier to move and needs more clearance under a patio roof or in a garage.

For many buyers, the 30-inch size already covers the food they cook.

Masterbuilt 30 vs 40 electric smoker side by side

Cooking area matters more than cabinet height, and the 30-inch models here prove it. The 711 square inches in the Masterbuilt 30 digital match many 40-inch cabinets, while the 40-inch size adds clearance for tall loads.

The table shows the trade clearly. The 40-inch cabinet wins on headroom.

The 30-inch digital wins on footprint, heat-up speed and how quickly you can move it around the yard.

Most weekend cooks load 2 to 4 racks of ribs or a chicken or two. A 30-inch cabinet handles that without a struggle, and it leaves room on the patio for the table where everyone eats.

Cooking area: how much food fits in each size?

The 30-inch size fits a family cookout without crowding; the 40-inch size helps when you fill every rack with tall or bulky cuts. Square inches tell you the total space, while cabinet height tells you how easily big items slide in.

The Masterbuilt 30-inch digital offers 711 square inches. Its 4 chrome racks hold up to 6 chickens, 2 turkeys, 4 pork butts or 4 racks of ribs.

That's a serious cookout load for a 30-inch body.

The analog Masterbuilt 30 carries 535 square inches on 3 racks. It fits up to 3 chickens, 2 turkeys or 3 racks of ribs.

The gap between these two 30-inch models shows why you should compare rack counts, not just the size label.

A 40-inch cabinet gives more room between those racks. Whole turkeys and large pork shoulders slide in without brushing the rack above.

If your usual cook is one big bird, the taller size earns its keep. If you cook ribs, chicken and sides, the 30-inch models here have the area covered.

When a 40-inch cabinet makes sense

A 40-inch smoker suits households that host big holiday meals and smoke whole turkeys or multiple pork butts. The height lets you stack more on each rack without fighting the space.

It also helps if you like to cook several different foods at once and want clear separation between them. A taller chamber keeps racks farther apart so drippings from one cut don't land on another.

Think about your largest cook of the year rather than the average weekend. If the largest cook needs 3 whole birds or more, the extra height is easier to live with than a cramped 30-inch load.

When a 30-inch cabinet is enough

The 30-inch size suits most households, from couples to families of 5 or 6. A 30-inch digital with 711 square inches feeds a party without the taller cabinet's bulk.

It also fits more patios. A shorter body slides under a porch roof, sits against a fence and rolls out of the way when the cook is done.

If your outdoor space doubles as a dining area, that matters.

Our guide on what size electric smoker you need walks through sizing by household and cook frequency. Start there if you're unsure whether your usual load leans tall or wide.

Height and footprint: which size fits your patio?

The 30-inch size fits tighter patios and takes less clearance, while the 40-inch size needs more headroom and a larger storage spot. Measure your space before you order either one.

The 30-inch analog Masterbuilt stands 40 inches tall. That figure is its height, not its size label, which refers to the cooking width.

Those inches matter when the smoker sits under a roof overhang or beside a garage wall.

Width and depth grow too on some 40-inch models. The analog 30-inch is 20 x 22 inches, so a 40-inch cabinet often runs wider as well as taller.

Leave room to open the door and step around the unit while it smokes.

Height also changes how you load the smoker. A taller cabinet puts the top rack at eye level for some cooks and out of reach for shorter users.

A shorter 30-inch body keeps every rack within comfortable reach.

If your patio is small or shared, a compact 30-inch cabinet is easier to tuck away. Our roundup of vertical electric smokers covers compact picks and taller cabinets in one place.

Heat-up time and temperature control

A smaller cabinet reaches temperature faster; the bigger cabinet takes longer to warm its extra volume. Both sizes use an electric heating element and hold steady once they get there.

The 30-inch Masterbuilt digital lets you set temperature and time on a digital panel, up to 275°F. The analog version uses a dial with the same 275°F ceiling.

Neither Masterbuilt model here goes past that mark, so high-heat poultry skin needs another approach.

A 40-inch cabinet has more air inside to heat. That means a longer wait before the first rack goes in and more recovery time after you open the door.

The gap is small, but it shows up on every cook.

Thicker walls change that math too. Insulated models like the EAST OAK 30" Outdoor Electric Smoker use double-layer steel and internal foam to hold heat.

A well-insulated 30-inch cabinet can hold temperature as steadily as a thin 40-inch one.

Cold weather is where insulation beats size. An insulated smaller cabinet loses less heat when the outside air dips.

A tall, thin cabinet has to work harder to keep its temperature in the same conditions.

Loading chips and managing the cook

The side chip loader on the digital Masterbuilt lets you add smoke flavor without opening the door. How long a load lasts depends on the model's chip box, not just the cabinet size.

The digital Masterbuilt uses a side wood chip loader. You slide chips in from outside and keep the door closed, so heat, smoke and moisture stay in the chamber.

The analog Masterbuilt uses a removable wood chip tray inside instead.

That's the feature that makes either size easy to run for hours.

The EAST OAK 30" Outdoor Electric Smoker takes it further with a side-loading chip box that runs 4 to 6 hours on a single load. Fewer refills means less standing over the smoker and more time with guests.

The EAST OAK 30" Electric Smoker uses the same side-loading design for longer uninterrupted smoking.

A 40-inch cabinet needs more chip volume to fill its larger chamber. That can mean more refills or a bigger chip tray to keep the smoke rolling.

If you want a long, hands-off cook, a well-sealed 30-inch model is often easier.

Our comparison of an electric smoker vs pellet smoker covers how fuel loading differs between the two styles. It helps if you're still deciding between chips and pellets.

Power use and running costs

Both sizes run on a standard household outlet, so the difference in power use is small. A taller cabinet draws a little more to heat its extra air, but the gap won't show up as a big jump on your bill.

Electric smokers use a heating element to hold temperature. The 800W element in the EAST OAK 30" Outdoor Electric Smoker is typical of the size.

The element cycles on and off to maintain the set temperature, so it isn't drawing full power the whole cook.

A 40-inch cabinet's element runs longer during heat-up and recovers more slowly after door openings. Over a long smoke, that adds up to modestly more electricity.

The cabinet's insulation matters more than its height for steady running.

Check the outlet and circuit before you commit. Both sizes need a dedicated spot where the cord reaches without an extension cord stretched across a walkway.

Keep the plug away from rain and splashes.

Cleaning and storage between cooks

The 30-inch size is easier to clean and store; the 40-inch size needs more room and more reach. Grease trays, water bowls and racks all come out on both sizes, but the cabinet height changes the job.

The Masterbuilt digital and analog models include a rear grease tray. You slide it out to empty drippings, which keeps cleanup off the smoking racks.

The EAST OAK models include a grease tray and water bowl too.

A shorter cabinet means less reach when you wipe the interior. You can stand at the open door and clean every rack without a step stool.

A 40-inch cabinet may put the top rack above eye level for shorter users.

Storage follows the same logic. A 30-inch smoker rolls into a corner or against a wall under a cover.

A 40-inch cabinet needs a taller spot and often a wider one.

Empty the water bowl and grease tray after each cook. Wipe the interior once it cools and keep the chip box clear so the next load starts clean.

Store the smoker under a cover when it's not in use.

Which size should you buy?

Buy the 30-inch size for family cooks and small patios; choose a 40-inch cabinet only if you regularly smoke whole birds or fill every rack. For most readers, the Masterbuilt 30 vs 40 electric smoker decision lands on the smaller cabinet.

Here's the practical rule. If your largest cook is 4 racks of ribs, a couple of chickens or one turkey, a 30-inch model covers it.

If you host big gatherings with 3 or more whole birds and want them all in at once, the taller cabinet earns its space.

Pick the 30-inch size if you want an easy fit

The 30-inch size is lighter, shorter and easier to move. The Masterbuilt 30 digital weighs 45.9 pounds and the analog weighs 49.9 pounds.

Either rolls or lifts into place more easily than a taller cabinet.

Step up to a 40-inch cabinet for big whole-bird cooks

A 40-inch cabinet fits whole turkeys and large pork shoulders with room between racks. Pick it when your biggest cook of the year needs that headroom and your patio has the space.

Either way, buy for your largest regular cook rather than the occasional party. A smoker that's easy to reach and fits your space gets used more often.

The verdict: which size wins for most buyers?

The 30-inch size wins for most buyers. In this Masterbuilt 30 vs 40 electric smoker comparison, the smaller cabinet covers family-sized cooks, fits more patios and heats faster.

Step up to 40 inches only when whole birds and full racks are your routine.

If you want the most capable 30-inch cabinet, the EAST OAK 30" Outdoor Electric Smoker leads on cooking area and features. It carries 725 square inches across 4 racks, a built-in meat probe and a raised stand that puts the door at waist height.

The same area comes in the shorter EAST OAK 30" Electric Smoker if a glass door matters more than the stand.

For buyers who want the Masterbuilt name and digital controls, the Masterbuilt 30 digital is the practical pick. Its 711 square inches and 4 chrome racks handle a family cookout, and the side chip loader keeps the smoke going without opening the door.

The analog version suits anyone who prefers a simple dial and smaller batches.

The decision rule is short. Pick a 30-inch smoker unless your typical cook needs more vertical room than 711 square inches provides.

Then measure your patio, check the outlet and buy the size that fits both.

Frequently asked questions

Is a 40-inch electric smoker worth the extra money over a 30-inch?

Only if you regularly cook whole birds or pack several racks at once and have the patio space. A 30-inch cabinet already covers family meals, and its shorter body fits more spots.

How much food fits in a 30-inch electric smoker?

The models here show the range. The Masterbuilt 30-inch digital fits up to 6 chickens, 2 turkeys, 4 pork butts or 4 racks of ribs.

The analog version holds up to 3 chickens, 2 turkeys or 3 racks.

Can a 40-inch smoker hold a whole turkey?

Yes, a 40-inch cabinet gives more vertical clearance for tall birds. A 30-inch model still fits 2 turkeys on the larger Masterbuilt digital, so check the rack spacing before deciding height is the limit.

Do 30 and 40-inch smokers use the same amount of power?

Both sizes run on standard household current and use a heating element to hold temperature. A taller cabinet has more volume to heat, so expect the larger size to take slightly longer to reach temperature.

Which size is easier to move around a yard?

The 30-inch size is lighter and easier to roll on a stand. The Masterbuilt 30 digital weighs 45.9 pounds, while the analog model weighs 49.9 pounds.