RV Bunk Mattress Sizes: A Comprehensive Guide
Embarking on an RV adventure? Ensuring a comfortable night's sleep is crucial, and that starts with choosing the right mattress for your RV's bunk beds. RV bunk mattresses come in various sizes to accommodate different vehicle layouts. Let's dive into the most common RV bunk mattress sizes and help you find the perfect fit for your home on wheels.
Understanding RV Bunk Mattress Sizes
RV bunk mattresses are typically measured in inches, with the first number representing the width and the second number representing the length. The most common RV bunk mattress sizes are 28" x 74", 35" x 74", and 38" x 74". These sizes are designed to fit standard RV bunk bed dimensions.
28" x 74" RV Bunk Mattress
The 28" x 74" RV bunk mattress is the smallest and most compact option. It's ideal for RVs with limited space, such as Class B and C motorhomes, or travel trailers with overhead bunks. Despite its size, it offers a comfortable sleeping surface for children or smaller adults.

35" x 74" RV Bunk Mattress
The 35" x 74" RV bunk mattress is a popular choice for its balance between comfort and space-saving. It's suitable for RVs with mid-sized bunks, such as Class C motorhomes and larger travel trailers. This size offers enough room for adults to sleep comfortably while still allowing for easy access to the bunk above.
38" x 74" RV Bunk Mattress
The 38" x 74" RV bunk mattress is the largest standard size and provides ample sleeping space for adults. It's perfect for RVs with larger bunks, such as Class A motorhomes and fifth wheels. Keep in mind that this size may require more space to maneuver when accessing the bunk.
RV Bunk Mattress Thickness
In addition to width and length, RV bunk mattresses also vary in thickness. The most common thicknesses are 4", 6", and 8". The thickness you choose depends on your personal preference and the height of your RV's bunks.

- 4" thick mattresses are lightweight and ideal for RVs with low-profile bunks or those looking to maximize headroom.
- 6" thick mattresses offer a balance between comfort and space, making them a popular choice for many RVers.
- 8" thick mattresses provide the most comfort but may require more headroom and could be heavier to maneuver into place.
Measuring Your RV Bunk for the Perfect Fit
Before purchasing an RV bunk mattress, it's essential to measure the dimensions of your bunk to ensure a proper fit. Here's how:
- Measure the width of the bunk from the inside of the frame or wall on one side to the other.
- Measure the length of the bunk from the head to the foot.
- Compare these measurements to the dimensions of the RV bunk mattresses you're considering.
- Ensure the mattress you choose is at least 1-2 inches narrower and shorter than the bunk to allow for easy installation and proper ventilation.
RV Bunk Mattress Alternatives
If you can't find an RV bunk mattress that fits your specific needs, consider alternative options:
- Custom-made mattresses can be ordered to fit your exact dimensions, but they may come at a higher cost.
- Temporary or foldable mattress toppers can provide additional comfort without taking up too much space.
- Air mattresses can be inflated to your desired thickness and can fit most RV bunk sizes, but they may not provide the same level of comfort as traditional mattresses.
In conclusion, choosing the right RV bunk mattress size is crucial for a comfortable and enjoyable camping experience. By understanding the different sizes and thicknesses available, measuring your RV bunk, and considering alternative options, you'll be well on your way to finding the perfect fit for your home on wheels.