Online D&D5E Ship Combat Tool

DD Ship Combat Simulator by FOM
DeD 5E Ship Combat Tools

Distance UnitSelect the unit of distance used in the calculator

Speed UnitSelect the unit of speed used in the calculator


Select ShipSelect a ship from the drop down, each ship is loaded with all relevant stats

Left ShipSelect Left Ship

Ship Left SelectionSelect the Left Ship

Ship LengthLength of the ship.

Ship WidthBeam: Maximum width of the ship at its widest extent

Ship HeightHeight from surface of the water to the tallest point of the ship.

Ship DepthDistance between the waterline and the deepest part of the hull. Restricts the port and water it can navigate

Right ShipIn this column are grouped all parameters relative to this ship

Ship Right SelectionIn this column are grouped all parameters relative to this ship

Ship LengthLength of the ship.

Ship WidthBeam

Ship HeightHeight from surface of the water to the tallest point of the ship.

Ship DepthDistance between the waterline and the deepest part of the hull. Restricts the port and water it can navigate


Distance Ship to Ship Distance between the two ship centers. Affects max range and accuracy of weapons

TargetWhere the weapon is aiming. HULL is easy to hit. DECK is harder to hit and can cause crew damage. SAIL are hardest to hit, and cause sail and mast damage. WEAPON tries to disable or destroy weapons. Arcing weapon have bonus attack on DECK.

Left ShipIn this column are grouped all parameters relative to this ship

Ship ACAC Armor Class models avoiding damage either by speed, cunning or bulk

Left WeaponSelect the weapon you want to fire with. Simulator will tell you what side has the ship on sight.

Weapon Range (min)Minimum distance at which the weapon can be fired

Weapon Range (max)Minimum distance at which the weapon can be fired

Gunner INT+PROF BonusWeapon accuracy scales with INT of Gunner. If Gunner is proficient with the weapon type, the PROF is added. If Gunner has expertise in the weapon type, double PROF is added.

Attack RollSelecting this checkbox gives advantage

Right ShipIn this column are grouped all parameters relative to this ship

Ship ACAC Armor Class models avoiding damage either by speed, cunning or bulk

Right WeaponSelect the weapon you want to fire with

Weapon Range (min)Minimum distance at which the weapon can be fired

Weapon Range (max)Minimum distance at which the weapon can be fired


Max HealthStructural integrity of the Hull. Too many hit and the ship sinks.
HealthStructural integrity of the Hull. Too many hit and the ship sinks.

Max WaterMax water level before the ship sinks. Water enters through holes in the hull.
WaterCurrent water level inside the ship due to holes in the hull.

Fires on DeckDeck squares (1.5m x 1.5m) that are on fire. The ship will take damage each turn, and fires might spread.

Holes: Above WaterlineHoles in the hull that can intake water

Holes: Below WaterlineHoles in the hull that intake copious amount of water

Holes: SailsHoles in the sails, affect ship handling

MastNumber of mast of the ship.
Fallen MastFallen mast due to crits on the sail. Severly degrade mobility.

Max HealthStructural integrity of the Hull. Too many hit and the ship sinks.
HealthStructural integrity of the Hull. Too many hit and the ship sinks.

Max WaterMax water level before the ship sinks. Water enters through holes in the hull.
WaterCurrent water level inside the ship due to holes in the hull.

Fires on DeckDeck squares (1.5m x 1.5m) that are on fire. The ship will take damage each turn, and fires might spread.

Holes: Above WaterlineHoles in the hull that can intake water

Holes: Below WaterlineHoles in the hull that intake copious amount of water

Holes: SailsHoles in the sails, affect ship handling

MastNumber of mast of the ship.
Fallen MastFallen mast due to crits on the sail. Severly degrade mobility.


Wind and Sail SimulationMove both ships for one turn (six seconds) based on wind, ship and sail orientation. Ship position N/S W/S. Ship orientation. Sail orientation. Wind strength. Sea strength. Move the ship 1 turn

Wind StrengthDirection where the wind is blowing

Left ShipIn this column are grouped all parameters relative to this ship

North/SouthPosition of the ship in the North/South axis relative to center of the map.

East/WestPosition of the ship in the East/West axis relative to center of the map.

Wind DirectionDirection where the wind is blowing to

Right ShipIn this column are grouped all parameters relative to this ship

North/SouthPosition of the ship in the North/South axis relative to center of the map.

East/WestPosition of the ship in the East/West axis relative to center of the map.

Ship OrientationWhere the tip of the ship is pointing to. Can be one of eight cardinal directions.

Sail OrientationWhere sails of the ship are pointing to. Can be one of eight cardinal directions.


Event Loglog all the events


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