Enter the engine cost, installation cost, control system upgrade cost, propulsion system cost, and disposal cost to determine the repower cost.

Boat Repower Calculator

Choose a tab, enter values, then calculate.

Repower Speed
HP Required
Weight Builder

Current boat performance

hp
Used to calibrate your boat’s Crouch constant.
C

Repower setup

hp
Leave blank to use current weight.

Horsepower for a target speed

C

Load estimate

weight
weight
weight
count
weight
count
weight
weight
weight
weight
weight
weight
weight

Planing horsepower estimate

deg
C
Show Calculation Steps

Boat Repower Formula

The following formula is used to calculate the cost of repowering a boat.

RC = E + I + CS + PS + DC 

Variables:

  • E is the engine cost
  • I is the installation cost
  • CS is the control system cost
  • PS is the propulsion system cost
  • DC is the disposal cost

What is a Boat Repower?

A boat repower is the process of replacing an old or malfunctioning engine in a boat with a new one. This can involve replacing the entire engine or just certain parts, depending on the condition of the existing engine. Repowering is often a cost-effective alternative to buying a new boat, as it can significantly improve the performance, fuel efficiency, and reliability of the boat.