Headquarter Upgrade Calculator

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HQ Upgrade Calculator

Choose your current HQ level and your target level. Get the total resources, base construction time and every prerequisite building you will need.

Leave at 0 for the game's base cost. If your upgrade screen shows lower costs (for example from the Engineer skill Cost Efficiency), enter your reduction to match it.

Costs and times are current as of October 2026 and match in-game upgrade screens. Costs are base values before any building-cost reduction.

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