HOI4 Tools

HOI4 Ship Designer Calculator

Calculates hulls, module slots, IC, strategic resources, and ship stats from local HOI4 v1.18.2.0 naval hull and module files.

Saved Designs

No saved design selected

CategoryAuto-categorized from current selectionTags

Design NameAuto NameGenerate from selected research and design settings

Hull Unlocked through 1936 · Parts Unlocked through 1936 · Special Projects Excluded

Ship Blueprint

Destroyer / Basic Destroyer

1/8Browser Auto-Save

BowBasic DestroyerStern

Weapons

Forward, midship, and aft weapon slots

0/3

Anti-Air

Dedicated anti-air slots

0/1

Torpedoes

Dedicated torpedo slots

0/1

Air / Electronics

Hangars, radar, sonar, and fire control

0/2

Engine

Engine slots

1/1

Design Stats

Totals hull base values, selected modules, and naval doctrine modifiers.

Local Game Files

Production Cost575 IC

Strategic ResourcesSteel +2

Basic Stats

Max Speed36.8 kn

Max Range2,500 km

Organization35

Hit Points40

Reliability85%

Supply Use0.04

Manpower300

Naval Supremacy63

Combat Stats

Light Attack0

Light Piercing0

Heavy Attack0

Heavy Piercing0

Torpedo Attack0

Depth Charges1

Armor0

Anti-Air0

Other Info

Fuel Use8

Surface Visibility10

Surface Detection20

Sub Visibility0

Sub Detection3

Mine Laying0

Mine Sweeping0

Weather Penalty0%

Hit Profile26.0

Carrier Size0

Strategic Resource Detail

Production-line requirements from hull and selected modules

Base Hull: Basic DestroyerSteel +2

Naval DoctrineFleet in Being · Subdoctrines 0 · Mastery 0 tracks

Naval Doctrine Settings

Grand Doctrine · Subdoctrines · Mastery

Set naval Grand Doctrines, Subdoctrines, and Mastery levels used by ship and fleet calculations. Bonuses below activate as Mastery levels change.

Selected 0 · Mastery 0 tracks

Grand Doctrine · Subdoctrines · Mastery

Fleet in BeingSelected 0 · Mastery 0 tracksSubmarines Level 0Screens Level 0Carriers Level 0Capital Ships Level 0

Expand to choose one subdoctrine per track and adjust bonuses across 0-500 mastery.

SubmarinesMastery Level 0Sub 6Multiplier 3

Mastery Level 00

Mastery Bonus PreviewCurrent Mastery Level 0

Level 1Not earned

Level 1 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 2Not earned

Level 2 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 3Not earned

Level 3 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 4Not earned

Level 4 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 5Not earned

Level 5 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

ScreensMastery Level 0Sub 8Multiplier 1

Mastery Level 00

Mastery Bonus PreviewCurrent Mastery Level 0

Level 1Not earned

Level 1 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 2Not earned

Level 2 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 3Not earned

Level 3 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 4Not earned

Level 4 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 5Not earned

Level 5 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

CarriersMastery Level 0Sub 6Multiplier 5

Mastery Level 00

Mastery Bonus PreviewCurrent Mastery Level 0

Level 1Not earned

Level 1 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 2Not earned

Level 2 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 3Not earned

Level 3 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 4Not earned

Level 4 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 5Not earned

Level 5 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Capital ShipsMastery Level 0Sub 6Multiplier 2

Mastery Level 00

Mastery Bonus PreviewCurrent Mastery Level 0

Level 1Not earned

Level 1 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 2Not earned

Level 2 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 3Not earned

Level 3 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 4Not earned

Level 4 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Level 5Not earned

Level 5 · Select a Subdoctrine to show Mastery bonuses.

-

Select a Subdoctrine to show Mastery bonuses.

Doctrine Effect Tracking2 checked

Grand DoctrineBattleship Organization +15.0Grand DoctrineNavy Capital Ship Defense +10%

Doctrine Effects

Separates effects applied directly to ship stats from fleet operation effects.

Direct 2 / Operational 0

Direct Ship Stat Effects

2 effects

Operational doctrine effect

Grand Doctrine/Fleet in Being

Not Applied

Operational doctrine effect

Grand Doctrine/Fleet in Being

Not Applied

Fleet / Mission Operational Effects

0 effects

The selected naval doctrine has no separate operational effects.