Considering that this is such an important factor for anyone looking to buy a new kayak, I figured it’s about time I shed some light on the concept of the kayak weight limit and maximum capacity.
Maybe you’d like to know more about what this number means and how it’s determined. Perhaps you’re wondering how strict these weight limits are.
Or, maybe you need help figuring out what size kayak do I need for my weight? And how to calculate what’s the right kayak weight capacity for you.
Either way, be sure to stick around – you’ll find answers to all your weight-limit-related questions and concerns below!
Understanding the Numbers: What Is a Kayak’s Weight Limit?
Kayak weight limit; the chances are you’ve seen this number listed in the kayak’s spec sheet before. Then again, there’s also a pretty good chance that you didn’t pay much attention to it – big mistake, by the way – or didn’t quite understand what it means.
Maximum weight limit, load limit, maximum capacity, weight rating – it goes by many names – is the rating a manufacturer assigns to their kayaks to indicate how much weight it can hold and stay afloat.
That’s the simplest way to put it.
It’s also supposed to help make the process of choosing a suitable kayak easier. But as it turns out, maximum capacity ratings ended up causing a lot of confusion in the paddling community – and among beginners in particular – due to two things:
And two, this weight capacity rating isn’t an indicator of the paddler’s body weight. For instance, if a kayak has a 250-pound weight limit, that doesn’t imply it’s suitable for a 250-pound person. Instead, it means that, with a total of 250 pounds worth of load, it will still stay afloat – although it’ll be far from usable.
More on that later, though.
The good news is that while it’s true that there are no industry standard for determining weight capacity, the consensus is that the following three factors influence it:
- Length of the hull
- Width or beam of the kayak
- Water displacement volume, as determined by the shape of the hull
What Happens if you Exceed the Weight Limit on a Kayak?
Every kayak you come across – regardless of brand, price tag, size, style, intended use, or any other factor you could think of – will have a specific kayak weight limit. I hope I made that part very clear by now.
But can you load your kayak up to its maximum weight capacity, though?
Well, nothing is preventing you from trying – at least in theory. The bigger question here is:
Should you and – more importantly – what happens if you do?
I’m all for pushing the limits – but not like this. If you plan on keeping that ‘yak of yours afloat, the weight of everything on board, you included, should stay below the specified kayak weight limit or maximum capacity figure.
Granted, reaching a kayaks weight limit won’t necessarily make your kayak sink the second it hits the water. But as you get near it – and especially if you exceed it – a few things will happen.
First, you’ll notice that your ‘yak sits lower in the water than usual, which doesn’t sound too bad – until it starts filling up with water, sinking the hull even further.
Another potential side effect of overloading your kayak, by exceeding the weight capacity, especially if the weight is poorly distributed, is compromised stability. Kayaks are already notorious for being tippy; this only increases your risk of capsizing.
Even if you manage to stay afloat, you might notice other signs of compromised kayak performance, such as difficult paddling, poor tracking, and an overall decrease in maneuverability.
How Much Weight Does the Average Kayak Hold?
Different types of kayaks have different builds, serve different purposes – and, as a result, have a different kayak weight limit.
If you haven’t noticed by now, the key term here is “different.”
Read on for a few examples;
Weight Capacity Limit of Recreational Kayaks
Recreational kayaks are designed for casual use – flat waters, such as slow-moving rivers and lakes, warm weather, short one-day paddles, fun, and relaxation. You wouldn’t take your recreational ‘yak out for a ride on whitewater rapids or turbulent seas.
Well, at least I hope you wouldn’t.
Anyway, since they’re made for recreational use – hence the name – they aren’t supposed to carry a lot of additional weight. They have the lowest weight limit out of all kayak types.
You likely won’t need much else besides boating essentials, though. So, the somewhat limited maximum weight capacity of 250 to 300 pounds should still work.
Weight Capacity Limit of Touring Kayaks
And what do you do when you go on a multi-day kayaking tour?
You bring lots of supplies with you, some of which – like cooking supplies, tents, sleeping bags, and outdoor gear – might not be a standard part of kayaking equipment.
So, to accommodate all this, touring kayaks typically feature more onboard storage options and have an average maximum weight capacity of 350 pounds.
Weight Capacity Limit of Sit-On-Top Kayaks
Lazy man’s boat – that’s what sit-on-top kayaks are sometimes jokingly called. They’re wider, more stable, easier to get in and out of, and have self-draining scupper holes that prevent them from taking on extra water weight.
Overall, sit-on-top kayaks are a much better fit for younger paddlers and beginners.
Besides the lack of an enclosed cockpit, another thing that sets them apart from their sit-inside counterparts is weight capacity:
Sit-on-top kayaks tend to have an average weight limit of 350 to 400 pounds – up to 100 pounds higher than the average 300-pound weight limit rating for closed cockpit-style models.
Weight Capacity Limit of Inflatable Kayaks
They might not look the part, but these glorified pool toys – as some kayakers “affectionately” call them – can carry a lot more weight than their hard-shell counterparts.
Think about it:
Inflatables stay afloat by being lightweight, wide, and filled with air; they are pretty much the definition of “buoyant.”
So, you shouldn’t be too surprised to hear that inflatable kayaks have the highest weight capacity out of the bunch. Most inflatables have a weight limit upwards of 400 pounds, with some “advanced” models having a maximum weight capacity of up to 750 pounds – thats a whopping kayak weight limit that’s hard to beat!
What About Tandem Kayaks?
There will be a noticeable difference in maximum weight capacity between a one-person kayak and a tandem kayak; that’s to be expected.
The latter is meant to accommodate two paddlers, after all. Beyond that, tandem kayaking also means double the equipment, double the water bottles, double the snacks, double the – well, everything.
So, how big of a difference are we talking about here?
Because they’re designed for two, tandems are wider and longer than your typical recreational kayaks, often measuring 14 to 18 feet in length. The increase in hull size also means that the average maximum weight limit for a tandem kayak falls somewhere in the neighborhood of 500 to 600 pounds.
How to Calculate the Kayak Weight Limit for Optimum Performance Using a Simple Formula
I haven’t had a chance to address how you can determine the right kayak weight limit, even if it’s the most vital piece of info for someone new to kayaking.
Let’s start with the confusing part:
If you weigh 190 pounds and carry 30 pounds of gear, you need a kayak with a practical weight limit of 220 pounds – not one with a 220-pound maximum weight capacity.
A good rule of thumb for optimal on-the-water performance is to max out the load at 30-40% less than the specified maximum weight capacity.
In short, it’s advisable to stay at about 70% of the kayak’s specified maximum capacity; that’s the practical – or performance – weight limits.
You might’ve even noticed that some manufacturers are listing a performance weight limit alongside the weight capacity in their ayaks’ spec sheet.
Maximum Weight Capacity
So, how does this work?
Start by determining your total weight requirements. That includes your body weight, the weight of your equipment, additional passengers – anything that might add heft to your ‘yak on an average paddling trip – and don’t forget the weight of your kayak paddle.
Figure out this number and note it down.
Also, I hope you’re good at math because you’re going to need it for this next part:
Maximum Weight Capacity = Total Load Requirement/0.7
That’s the fastest way to determine the maximum kayak weight limit you should be aiming for – even though you’ll effectively be using only 70% of it.
Putting those numbers into action. eg. a 190 pound person and 30 pounds of gear, 220 pound total. That paddler should be choosing a kayak with at least (220/0.7) a 315 pounds weight capacity
Performance Weight Limit Calculation
If you’re still not sure about your total load requirements, you can use the specified capacity rating to calculate the kayak’s performance weight limit, instead:
Performance Weight Limit = Maximum Weight Capacity x 0.7
I know what you’re thinking:
“Is this guy seriously telling me that I can only use about 60-70% of my kayak’s weight capacity?”
And as a 230-pound guy, I get the frustration. When buying a kayak, I have to go through the struggle of finding a recreational ‘yak with a high enough kayak weight rating that, even at 60-70% of its maximum capacity, can still support my weight and my gear.
Then again, sticking to these guidelines does make the kayaking experience more comfortable, enjoyable, and efficient – and a whole lot safer, too.
So, I’d say it’s worth it.
If you are a big guy looking for a kayak with a high weight rating – why not check out our guide of the best kayaks for big guys or girls
Is There a Way to Increase the Kayak’s Weight Limit?
What if you did the math as instructed but gained weight since you first purchased your ‘yak or have to carry more gear than you planned for initially? It’s a scenario no one wants to think about – especially the weight gain part – but it happens.
So, what does this mean for your ‘yak?
Is it done for, or is there a way to increase its weight capacity to accommodate a few extra pounds?
Again, the weight limit for a kayak is determined by the length, width, and volume of the kayak’s hull. So, I hate to be the bearer of bad news, but no, there’s nothing you can do to increase the kayak weight limit as such.
Not all is lost, though:
There’s not much you change about the kayak’s weight capacity per se – but there are ways to improve buoyancy – and in turn increase the maximum capacity.
This buoyancy boost should allow the ‘yak to carry the extra weight and stay afloat – to some degree, anyway – making it seem like its weight limit went up a bit.
Paddling in the “right waters” – as in staying away from freshwater and paddling in saltwater – is one way to do it. Saltwater provides more buoyancy and could make it easier to stay afloat even with the extra pounds.
Fitting your kayak with floats and outriggers is another way to improve its buoyancy, although, again, this has nothing to do with the actual maximum capacity. You’ll have to sacrifice maneuverability and put up with a lot of extra drag to get that slight buoyancy boost, though.
Final Thoughts on Kayak Weight Capacity
Weight capacity is going to be an essential factor to consider – not only because it affects the kayak’s performance but also because it impacts buoyancy and safety. And I hope that, now that you’re armed with this knowledge, figuring out the right kayak weight capacity won’t be too hard.
And, now you’re more than capable of answering your own question; what size kayak do I need for my weight?
And to be honest, there’s no such thing as too much weight capacity – at least not from the performance standpoint.
The only real reason you might not get a ‘yak with a higher kayak weight limit is cost. On that note, my advice is to do the math and go with the highest kayak weight limit that your budget allows.
That way, you can be certain that your ‘yak will be able to handle your weight and the weight of your equipment and other stuff you might bring on board.