Nectar King Mattress Dimensions: The No-Nonsense Size Guide

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By Ben Carter

Updated August 1, 2025
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In-Depth Look

Nectar King Mattress Dimensions: The No-Nonsense Size Guide

If you're eyeing a king, you're probably wondering, will it actually fit? I’ve been there. Here’s the thing: once you know the real-world size, room clearances, and bedding fit, the whole decision gets easier. I’ll keep it friendly and practical—straight from the Consumer's Best playbook.

The exact size of a Nectar king (and split king)

Standard king mattresses measure 76 inches wide by 80 inches long. That’s the footprint you’ll plan around. A split king is the same overall size, but it’s two Twin XL pieces—each 38 by 80—that sit side by side. When people ask about nectar king mattress dimensions, that 76 by 80 is the baseline, and the height varies by model.

Thickness depends on which Nectar you buy. Expect roughly 12 to 14 inches tall across the current lineup. So the surface area is consistent; it’s the profile that shifts a bit for feel and cooling layers.

Room fit: how much space you actually need

Let’s make this painless. A king is generous, but it’s not a monster. Most folks are happiest with at least 30 inches of walkway on the sides you use; 24 inches works if you’re okay with cozy. For a typical setup, a 12×14 foot bedroom feels just right for a king, nightstands, and easy movement. If you’re working with 12×12, it can fit, but be prepared to skip bulky nightstands—or tuck them in tighter than you’d like. If nectar king mattress dimensions have you on the fence, tape out 76 by 80 on the floor and walk it like you own it.

Bedding and sheet sizing that actually works

You’ll want king sheets (76×80) with a fitted sheet pocket deep enough for a 12–14 inch mattress. Deep-pocket or “extra-deep” sets make life easier, especially if you use a protector and a topper. Duvets labeled king or oversized king both work; oversized gives more drape, which looks hotel-level nice. The nectar king mattress dimensions don’t change your bedding category—just watch pocket depth so the fitted sheet doesn’t pop off at 3 a.m.

Frames, platforms, and slats: what to check before you buy

Any standard king frame should match 76×80. If you’re using slats, aim for slat gaps of 4 inches or less for proper support. Platform beds are typically fine out of the box. Adjustable bases? A split king is the hero there, since each side moves independently. The key is internal dimensions: you want a true 76×80 cavity so the mattress isn’t pinched—those nectar king mattress dimensions need full support at the edges too.

Will it make it through the door? (Yes—here’s why)

Nectar ships compressed in a box, which is a lifesaver for doorways and stairs. You’ll carry the box in, get it to the room, then unbox it on the frame. Once it expands, you won’t flex it around tight corners, so do your moving before it’s opened. The nectar king mattress dimensions aren’t a delivery nightmare because of that roll-packed setup—just lift with your legs and take the turns slowly.

Weight, moving, and who needs to help

A king in this category typically lands in the 85–105 pound range depending on the model and whether it’s a hybrid. It’s doable for one strong person on a dolly, but I’m going to be honest—get a buddy. The box is bulky, and corners + stairs get spicy fast. If you’re juggling nectar king mattress dimensions, remember weight is part of the real-world equation too.

Unboxing and how long it takes to fully expand

Cut the plastic (carefully), let it breathe, and give it 24–72 hours to finish expanding. You can usually sleep on it the first night, but full shape and feel settle in after a day or two. Any mild new-foam scent dissipates with airflow. None of this changes the nectar king mattress dimensions; it just means the corners sharpen up and the feel evens out with time.

Model height differences in plain English

You’ll see roughly a 12-inch option (their classic all-foam feel), a 13-inch step-up, and around a 14-inch premium build with more cooling and comfort foam. The surface area stays king-standard at 76×80, but that extra inch or two adds plushness and can slightly change how your sheets fit. That’s why folks checking nectar king mattress dimensions often ask about pocket depth—smart move.

Split king: when two mattresses are better than one

If one of you runs hot and the other wants a different topper, or you’re eyeing an adjustable base, the split king is clutch. It’s still 76×80 in total, but each Twin XL acts independently. You keep the nectar king mattress dimensions you want, and you both win on comfort and motion control. Tiny gap in the middle? Yes. Big deal? Not for most people—use a king-size fitted sheet or a gap filler if you’re picky.

On the fence between king and queen?

Quick reality check: a queen is 60×80, so a king adds 16 inches of width—huge for couples and pets. If your room is tight, a queen might make furniture layout easier. But if you can swing the footprint, that extra width is the upgrade you feel every single night. Either way, knowing the nectar king mattress dimensions helps you plan the whole setup without surprises.

Final thought (and where to go next)

If you’ve measured and the layout looks good, you’re basically there. Want the comfort details, cooling notes, and long-term feel? Read my full Nectar mattress review on Consumer's Best—I go deep on pressure relief, motion isolation, and which model height actually fits your sleep style. And if you’re still unsure, send me your room size and bed frame notes; I’ll help you map it out.

Frequently Asked Questions

A Nectar king measures 76 inches wide by 80 inches long, which is the U.S. standard king size. The height varies by model, typically in the 12–14 inch range, so the footprint stays the same while the profile changes a bit.

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