How much kinetic energy do you need for hippo?

Hippo is heavy & dangerous game (Africa). The widely used bowhunting guideline puts the minimum at roughly 90 foot-pounds of kinetic energy, with heavy single-bevel. Dangerous game with a huge body and heavy bone. Specialist territory.

Guideline min KE
~90 ft-lbs
Game class
Heavy & dangerous game
Broadhead
Heavy single-bevel
Penetration
Momentum-driven

Check your setup for hippo

grains

Total finished-arrow weight (250 to 750).

fps

Measured or IBO speed (100 to 450).

Kinetic energy
73.10ft-lbs
99.1 joules
Momentum
0.522slug-ft/s
2.32 kg-m/s

What can you hunt with this?

Your setup against real game, worldwide. Tap an animal for the full verdict.

Hippo
Not enough

Your 73 ft-lbs is well under the ~90 ft-lb guideline for hippo.

To clear it: about +34 fps, or about +108 gr of arrow weight. And a heavy single-bevel for the bone.

Class: Heavy & dangerous gameGuideline min: ~90 ft-lbsBroadhead: Heavy single-bevel
Ample Enough Marginal Not enough

A general guideline built on the published bowhunting energy bands and penetration research, not a rule. Shot placement, a sharp broadhead and clean arrow flight matter more than any single number. Check your local minimum-energy regulations.

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Hippo: common questions

How much energy do you need to shoot a hippo with a bow?

Hippo sits in the heavy & dangerous game band, with a widely used guideline minimum of about 90 foot-pounds of kinetic energy, paired with heavy single-bevel and a well-placed, broadside shot. It is a guideline, not a rule: shot placement and a sharp broadhead matter more than any single number.

Is my bow enough for hippo?

Enter your arrow weight and speed in the calculator above and it tells you instantly whether your setup clears the ~90 ft-lb guideline for hippo, and what to change if it does not.

What broadhead is best for hippo?

Heavy single-bevel is a sound choice for hippo. Dangerous game with a huge body and heavy bone. Specialist territory.

Is momentum important for hippo?

Yes. Hippo is heavy-boned, so momentum, arrow weight and a strong single-bevel broadhead drive penetration as much as raw kinetic energy. Build a heavier arrow and keep the shot broadside behind the shoulder.

Method & sources

  • The physics.Kinetic energy and momentum use the standard archery constants (7,000 grains per pound, 32.174 ft/s² for gravity), so results match the Easton and Realtree calculators to the decimal.
  • The energy guidelines. The minimum kinetic-energy bands by game size are the long-established bowhunting guideline popularised by Easton Archery and widely used across the sport.
  • The heavy-game refinement. For large, heavy-boned animals we weight the verdict toward momentum and arrow mass, following the penetration research of the Ashby Bowhunting Foundation (Dr. Ed Ashby), which found momentum, arrow weight and structural integrity, not raw speed, drive penetration through heavy bone.
  • Speed figures. Arrow speed relates to the IBO and ATA rating standards published by bow manufacturers; a chronograph reading of your own arrow is always the most accurate.
  • Regulations first. These are guidelines, not law. Always meet your local minimum draw-weight and kinetic-energy requirements, and let shot placement and a sharp broadhead lead every decision.

Maintained by the HuntDesk team. Last reviewed July 2026.

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