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What Does 216 Square Feet Look Like? Reading the Puppy Kind Box in a Real Room
Up to 216 square feet on the box, from a purifier you can hold in one hand. Here's what that looks like in a real room.
By Theo Marsh, Senior writer · 6 min read · Published · Updated
Puppy Kind's package for the Pet Air Purifier states "up to 216 square feet for a standard-size living room." That's a room about 12 by 18 feet, from a purifier you can hold in one hand. Think of a family room, a good-size bedroom, or a home office with a dog bed in the corner.
My second unit sits on the end table in the den, right beside the dog bed. When I set it up, I ran a tape measure across the floor to see where the room landed against the box. Then I drew 216 out three ways so you can hold it up against the room your dog uses most.
What the box promises, word for word
The package wording is short: up to 216 square feet, for a standard-size living room.
We read those two parts together, because together they describe the purifier's job. "Up to 216 square feet" gives the top of the room size it's meant for, and "standard-size living room" gives you the picture of an everyday room where people and dogs spend their time.
That's a lot of room for a body about 3 inches across, and it's the kind of room where a dog spends most of its day.
My wife bought 3 of them, we gave one to a friend and have the other 2 for our house, right now we are only using one and what a difference they made in my house. Our basset hound is 10 years and had a stroke 6 months ago, now she is incontinent and can't make it to the pads on time or outside. This device is heaven sent, thank you for the item.
Terry B., Puppy Kind customer
Three rooms, one number
We started with the easy one. A room 12 feet wide and 18 feet long has 12 x 18 = 216 square feet of floor.
Then we stretched it. A room 9 feet wide and 24 feet long also has 9 x 24 = 216 square feet. It's the same floor area, but it feels more like a long den.
Last, we squared it. A square room about 14 feet 8 inches on each side comes out to about 216 square feet too. In decimals, that's 14.7 x 14.7, which is just over 216.
We drew these as floor plans to show how many shapes 216 can take. If your dog's room looks like one of them, you're in the range the box describes.
Your room in two measurements
All you need is a tape measure. Measure the room's length and width, wall to wall, and multiply. That's your floor area in square feet.
A room 11 feet by 13 feet has 143 square feet, well inside 216. A room 14 feet by 15 feet has 210, just under. A room 15 feet by 16 feet has 240, a bit over.
If your tape shows feet and inches, turn the inches into part of a foot first. Six inches is half a foot, so 12 feet 6 inches becomes 12.5 feet. Three inches is a quarter foot, so 10 feet 3 inches becomes 10.25 feet.
For an L-shaped room, split the floor into two rectangles. Measure each one, multiply its length by its width, and add the two answers so the missing corner stays out of your total.
Getting the most from a one-room purifier
We treat the 216 line as a match guide. It tells you the purifier is made for one room at a time, so the smart move is to put it in the right room.
Pick the room your dog uses most. If your number lands at or under 216, that's a natural fit. If the room is much bigger, or your home has several dog rooms, do what happy owners do and give each room its own unit. A body this small makes that easy.
I was a huge skeptic. Even more so when I opened my order and realized how small they are (I bought 3). But, wow!! I've been using them for several days now, and I'm amazed! They work! Well!! I am already ready to order more for upstairs.
Cinnamon L., Puppy Kind customer
The room's shape still matters. In a long or L-shaped room, set the purifier in the part where your dog actually rests. Ours sits on the end table right beside the dog bed in the den.
If your room is an odd shape and you're unsure the 216 square feet covers it, ask. Puppy Kind's team replies quickly through the Contact Us page, and the 30-day product guarantee made the decision easy for me.
For the rest of the numbers, here are the size, power and filter specs I checked.
Once you've run the tape and done the multiplication, you'll know where your dog's room lands against 216. Then set the purifier right beside the dog bed.
Questions readers ask
How big is 216 square feet?
About a 12 by 18 foot room, like a family room or a good-size bedroom. A 9 by 24 foot den and a square about 14.7 feet per side are 216 square feet too.
What size room does the Puppy Kind purifier cover?
The box rates it for up to 216 square feet, about the size of a standard living room.
Can I use Puppy Kind in a bigger house?
Yes. Put one in each room your dogs use, which is what owners with several dogs do.
What if I'm unsure the purifier fits my room size?
Message Puppy Kind through the Contact Us page with your room measurements. They reply quickly, and the 30-day product guarantee covers you if it isn't the right fit.
Will the Puppy Kind purifier work in a large room?
It's sized for rooms up to 216 square feet, per the package. In a bigger or open-plan space, set it right beside where your dog rests, or add a second unit for the far end of the room.
Is the Puppy Kind purifier a good fit for an apartment?
Yes, room by room. Measure the room where your dog spends the day; at 216 square feet or under, one unit matches the package guidance, and its 3-inch base keeps a small floor plan clear.