Sauna Bench Height: Getting the Right Measurements

Sauna Bench Height: Getting the Right Measurements

Sauna bench height is the distance from the floor to the top of each bench level. It directly affects your comfort, how well you experience the heat, and whether you can sit or lie down naturally. Getting bench height wrong is one of the most common mistakes in DIY sauna builds.

Standard Bench Heights

Most saunas have two bench levels, and the measurements follow a consistent pattern:

• Upper bench: 36-44 inches from the floor. This is the main seating level where the heat is most intense. The most common height is around 38-42 inches.
• Lower bench: 18-22 inches from the floor. Used as a step up to the upper bench, a footrest when sitting on the upper bench, or a cooler seating option for people who prefer less heat.

Optimal Heights for Different Sauna Types

Not all saunas are built the same, and bench heights should be adjusted based on the type:

• Traditional Finnish sauna (7-foot ceiling): Upper bench at 38-42 inches, lower bench at 18-20 inches. This puts the upper bench occupant's head about 42-46 inches below the ceiling, right in the sweet spot of the heat zone. The 18-20 inch step between benches is a comfortable climbing distance.
• Traditional sauna (8-foot ceiling): Upper bench at 42-46 inches, lower bench at 20-22 inches. The extra ceiling height lets you raise the upper bench while maintaining proper headroom. Some builders add a third tier at 60-64 inches for the most intense heat experience.
• Barrel sauna: Bench heights are constrained by the curved walls. Most barrel saunas place the bench at 16-20 inches, essentially one level. Larger diameter barrels (7-8 feet) may accommodate a second tier at 34-38 inches, but headroom at the edges is limited by the curve.
• Infrared sauna: Typically has a single bench level at 18-20 inches. The infrared panels need to align with your torso when seated, so the bench height is designed around panel placement rather than heat stratification.
• Steam room: Similar to traditional saunas but often with tile benches at 18 and 36 inches. The lower height accounts for the fact that steam rooms have lower ceilings (typically 7 feet max to concentrate steam).

The Ceiling Rule

Here is the measurement that matters most: the distance between the upper bench and the ceiling. You want at least 42-48 inches of headroom above the upper bench so you can sit upright comfortably. For a standard 7-foot (84-inch) ceiling, that means your upper bench should be no higher than 42 inches.

If you sit on the upper bench and your head is jammed against the ceiling, the bench is too high. If there is 3+ feet of space above your head, the bench is too low and you are missing the best heat.

Multi-Tier Bench Layouts

The number of bench tiers depends on your ceiling height and how many heat zones you want:

• Two-tier (standard): The most common layout. Lower bench at 18-20 inches, upper bench at 36-42 inches. Works in any sauna with a 7-foot or taller ceiling. Gives you a hot zone (upper) and a mild zone (lower).
• Three-tier: Requires at least an 8-foot ceiling. Bottom bench at 18 inches, middle at 36 inches, top at 54-58 inches. The top tier is extremely hot and typically used for short bursts. Common in Finnish public saunas and large custom builds.
• Single-tier: Found in smaller saunas, infrared saunas, and barrel saunas. One bench at 18-20 inches. Simple and space-efficient but limits your heat options.
• Step spacing: The vertical distance between each bench level should be 16-20 inches. This is a comfortable step height for climbing up and a natural footrest distance when seated on the upper bench.

Why Height Matters for Heat

Hot air rises. The temperature at the ceiling of a sauna can be 30-50F hotter than at floor level. Sitting higher puts you in the hottest zone. This is why the upper bench is the preferred seat - you are in the thick of the heat. The lower bench gives you a cooler alternative, which is especially useful when you are just getting started with sauna bathing or when bringing kids in.

Accessibility Considerations

If anyone using the sauna has mobility limitations, bench height becomes even more important:

• Lower entry bench: A bench at 16-18 inches (standard chair height) is much easier to sit down on and stand up from than one at 20+ inches.
• Grab bars: Install a grab bar near the lower bench to assist with sitting and standing. Use stainless steel rated for sauna temperatures.
• Wider steps: If climbing to the upper bench, make each step at least 10 inches deep so there is secure footing.
• Single-tier option: For users who cannot safely climb to an upper bench, a single-tier sauna at 18 inches may be the best choice. You sacrifice the hottest zone but gain safety and independence.

Plan Your Layout

Use our sauna size calculator to figure out the right bench heights for your ceiling height and sauna type. It accounts for headroom, step spacing, and heat zone positioning.

Related Terms

• Sauna Bench Depth
• Sauna Capacity
• Sauna Dimensions
• Sauna Backrest

Perfectly Designed Benches

All the saunas in our collection are built with proper bench heights for optimal comfort and heat. Check out our indoor saunas and outdoor saunas to see detailed bench specifications.