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Boat Lift Capacity Calculator| Tool for Boat Owners

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Boat lift capacity is an essential factor for boat owners to consider when choosing a boat lift. In this article, we will provide an in-depth explanation of boat lift capacity, discuss its importance, and introduce a Boat Lift Capacity Calculator. We will also cover the formula and its variables, example calculations, and applications. Additionally, we will answer some frequently asked questions related to boat lift capacity.

Boat Lift Capacity: Definition and Importance

Boat lift capacity refers to the maximum weight a boat lift can safely handle while lifting and storing a boat out of the water. It is crucial to accurately determine the capacity needed to ensure the safety of the boat, prevent damage to the lift, and prolong the life of both the boat and the lift.

Boat Lift Capacity Formula

The formula to calculate boat lift capacity is as follows:

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BLC = DW + TS*6 + 500


  • BLC: Boat Lift Capacity (lbs)
  • DW: Dry weight of the boat (lbs)
  • TS: Gas tank size (gallons)

Variables Explained

  • Boat Lift Capacity (BLC): The maximum weight a boat lift can safely handle (in pounds).
  • Dry Weight (DW): The weight of the boat without any fluids, passengers, or cargo (in pounds).
  • Gas Tank Size (TS): The size of the boat’s gas tank (in gallons).

Example Calculation

Suppose a boat has a dry weight of 344 lbs and a gas tank size of 34 gallons. To calculate the boat lift capacity, we can use the formula:

BLC = DW + TS*6 + 500 BLC = 344 + (34 * 6) + 500 BLC = 1048 lbs

Applications of Boat Lift Capacity Calculator

The Boat Lift Capacity Calculator can help boat owners:

  • Choose the right boat lift for their boat.
  • Determine if their current boat lift is suitable for a new or upgraded boat.
  • Ensure the safety and longevity of their boat and lift.

How to Use the Boat Lift Capacity Calculator

  1. Enter the dry weight of the boat (in pounds).
  2. Enter the gas tank size (in gallons).
  3. Click the “Calculate” button.
  4. The calculator will display the boat lift capacity (in pounds).
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Frequently Asked Questions

How do I determine the dry weight of my boat?

The dry weight of a boat is usually specified in the owner’s manual or on the manufacturer’s website. If you cannot find the information there, you can contact the manufacturer or a local dealer for assistance.

What should I consider when choosing a boat lift?

When choosing a boat lift, consider the following factors:
Boat lift capacity: Ensure the lift can safely handle the weight of your boat.
Compatibility: Make sure the lift is compatible with your boat’s hull design and dimensions.
Material and construction: Choose a lift made from durable, corrosion-resistant materials to ensure longevity.
Installation and maintenance: Consider the ease of installation and the required maintenance for the lift.

How do I maintain my boat lift?

Proper maintenance of your boat lift includes:
Regularly inspecting the lift for signs of wear, corrosion, or damage.
Lubricating moving parts as recommended by the manufacturer.
Keeping cables, pulleys, and other components clean and free of debris.
Checking and adjusting the lift’s alignment as needed.
Following the manufacturer’s recommendations for routine maintenance and repairs.


Understanding and accurately calculating boat lift capacity is essential for ensuring the safety and longevity of your boat and lift. By using our Boat Lift Capacity Calculator and following the advice provided in this article, you can confidently choose the right lift for your boat and maintain it properly for years of reliable service.

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