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©2005, 2006
Tsunami Fishing Systems
  
Boat Horsepower Calculator
  • Use this calculator to estimate the horspower required to power your skiff. See the article "How Much Power Do You Really Need?" in Volume 1/ Issue 1.
  • Use English Units (pounds, cubic feet), no commas, please!
  • If you want to save a calculation for later use, YOU HAVE TO BE REGISTERED, AND YOU HAVE TO LOG IN

Enter a Name:  
   
Additional Comments:  
Hull dry weight, in pounds:  
Fuel tank capacity, in gallons:
Fuel Density (in pounds/gallon): Gasoline is about 6.1 lbs/gallon
Approximate Motor Weight (in pounds): Just a guess, to start. Adjust using real data after you get close.
Secondary Propulsion Weight (in pounds): This could be a kicker motor or an electric trolling motor
Number of Batteries:
Avg. Battery Weight (in pounds): A typical battery is 50 lbs.
Number of passengers:
Avg. Passenger Weight (in pounds):
Livewell capacity (in gallons):
Water density (in pounds/gallon): Saltwater is approx. 8.5 lbs/gallon
Ground tackle weight (in pounds): Include anchors, chains, ropes, etc.
Fishing Tackle Weight (in pounds):
Electronics Weight (in pounds):
Miscellaneous Gear, Group #1 (in pounds): Notes on #1:
Miscellaneous Gear, Group #2 (in pounds) Notes on #2:
Miscellaneous Gear, Group #3 (in pounds) Notes on #3:
Total weight (in pounds)  
Hull deadrise (in degrees)
Desired Cruise Speed (in statute MPH) This calculation is only valid for planing speeds!
Estimated Horsepower: This calculation is only valid for planing speeds!