Hearts of Iron 4 Navy Calculator

a tool for planning you navy buildup

How to use this Calculator:

To use this calculator, simply select a ship type and enter how many of those ships you want to build. If you want to build multiple ship types, just click on "add ship type". Afterwards, enter some data about your factory efficiency and the time span of this calculation. Now hit the "Calculate!" Button and enjoy your result.

Because you can only assign 15 dockyards to one ship at a time, you wont always have your fleet ready at the given time span. This value just represents the number of dockyards that you need to have a constant output of the given ships in the given time span, seen over a longer period.

Now let's enter your data:

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Result: