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A homemade ramp can be a good, budget-friendly way to help an older dog onto the bed or couch, as long as it is stable, grippy and not too steep. Here is a simple plan and the safety rules that matter. If you are not comfortable with basic woodworking, a ready-made ramp is the safer option.
Step 1: measure and plan the angle
Measure the height from the floor to the top of the mattress or cushion. For senior dogs, aim for an angle of about 18 to 25 degrees. Ramp length ≈ height ÷ 0.34 (20°) or ÷ 0.42 (25°).
| Surface height | Length for ~25° | Length for ~20° |
|---|---|---|
| 16 in (couch) | about 38 in | about 47 in |
| 20 in | about 47 in | about 58 in |
| 24 in (tall bed) | about 57 in | about 70 in |
Lengths calculated as height ÷ sine of the angle and rounded.
Step 2: materials
- A sheet of 3/4-inch plywood for the deck, at least 14 to 16 inches wide (wider for big dogs)
- 2×4 lumber for legs and supports
- Wood screws and wood glue
- Carpet, rubber matting or outdoor rug for traction
- Non-slip furniture pads for the base
- Optional: thin wooden cleats across the deck, and side rails
Step 3: build
- Cut the deck to length and width; sand all edges.
- Build a support frame under the deck from 2×4s: one support at the top that matches the surface height, and at least one in the middle so the ramp does not flex.
- Glue and screw the frame to the deck.
- Cover the deck with carpet or rubber matting, wrapping and stapling it underneath.
- Add non-slip pads under the frame and make sure the top edge sits flush and firm against the bed or couch.
- Test it with your own weight on your hand before your dog uses it.
Safety rules
- No wobble, flex or sliding, ever: a ramp that moves can scare a dog off for good.
- Traction on the whole surface; bare wood is slippery.
- Side rails for dogs with poor balance or vision.
- Train gradually with treats, starting with the ramp flat on the floor.
When to buy instead
If your bed is very tall, your dog is heavy, or you need it to fold away or work in the car, a store-bought ramp is usually safer and faster. See our bed ramp guide, couch ramp guide and best dog ramps.
Last reviewed: November 2026. Prices and specifications change; check the retailer before you buy.