Forge of Empires math, done for you
Fast, accurate calculators for trading, Great Buildings, and Guild Expeditions. Open a tool and get your answer, no spreadsheets, no headaches.
430 10 tools, zero fluff
Everything you used to work out by hand
Open a tool and get an instant answer, computed on my servers. Most also generate a message you can paste straight into guild chat.
GB Investment
Plan the placement and securing of your Great Buildings: secured places, Arc bonus, and Forge Point return per level.
Open tool
Secure Position
Compute the Forge Points needed to secure a reward position and its return on investment.
Open tool
CF Calculator
Estimate the recurring-quest rewards your Château Frontenac can produce.
Open toolTrade
Find the best chain of trades to convert goods between ages.
Open tool
GB Forecast Cost
Forecast the Forge Point cost to level a Great Building across a range of levels.
Open toolGB Statistics
Compare Great Building cost and reward curves across levels.
Open tool
GB Leveling Order
Find which Great Building to level, in which order, and to what level to maximize a chosen bonus in the least time.
Open tool
Campaign Cost
The goods cost to conquer the campaign map, province by province. Track the sectors you have already taken and see what is left to pay.
Open tool
Guild Expeditions
Track your weekly Guild Expedition on every world (plus your Quantum Incursions and Guild Battlegrounds) from one page. Progress per world, or blitz one task across them all.
Open tool
Negotiations
Every turn, I work out the offer that maximizes your chance to win the negotiation while spending as little as possible. Guild Expeditions, Guild Battlegrounds, quests and events.
Open toolCity Planner
Design and optimize your city layout: plan expansions, roads, and building placement before you commit in-game.
Built for players, not for funnels
- Server-side accuracy
- Every result is built on the game's exact formulas, computed on my servers and tested against real values.
- Always up to date
- Great Building costs, ages, and goods: everything tracks the game as it changes.
- Shareable links
- Most tools generate a permalink built for guild chat.
- 23 languages
- Play in your language and the tools follow along.
Pricing
Free to use, forever
Every tool is free. A subscription removes ads, unlocks higher limits, and helps keep the project alive. Prefer a one-off? A donation grants the same Supporter perks, pro-rata.
Free
Supported by ads
- All calculators and tools
- Shareable result permalinks
- 1 saved profile
- Track 3 Guild Expedition worlds
- Sync settings across devices
Supporter
Annual billing only
- No ads
- Everything in Free
- Up to 5 profiles
- Up to 8 Guild Expedition worlds
Premium
or €70/year
- No ads
- Everything in Supporter
- Up to 15 profiles
- Up to 50 Guild Expedition worlds
- Higher City Planner quotas (coming soon)
Rather give a one-off?
Give a one-time, pay-what-you-want amount (from about €7) and it converts into Supporter access, in proportion to your gift: no ads and higher limits, for a while. Sign in before you give so it lands on your account, or claim it later with your email. If you ever subscribe, the credit simply pauses and resumes afterwards.
Frequently asked questions
Short answers to what players ask most.