FEH Arena Score Estimator
Enter your 4-unit core stats to estimate your Arena match range and 5-match run total.
How FEH Arena scoring works
In Fire Emblem Heroes, Arena score is driven by bins and breakpoints. The game rewards teams with higher merged units, larger stat totals (BST), and more expensive skill kits (SP). This calculator gives you a practical estimate for planning whether your current team can promote, hold Tier 21, or push for crowns.
Because Arena formulas can shift when Intelligent Systems updates scoring rules, this tool is built as an estimator. It is designed to help with quick team decisions: “Should I swap this assist?”, “Is a +10 merge worth it this week?”, or “How many bonus kills do I need for safety?”
What this calculator uses
- BST bin: Higher BST raises scoring bins.
- Total equipped SP: Premium skill loadouts increase unit scoring.
- Merges: Each merge contributes meaningful points in Arena.
- Duel BST floor: Useful for units relying on Duel effects.
- Bonus kills: Bonus unit kills strongly influence 5-match run totals.
- Manual adjustments: Lets you compensate for seasonal quirks or edge cases.
Step-by-step usage
1) Fill in each unit
Enter each unit’s BST, total equipped SP, and merge count. If your unit effectively scores like a higher BST unit due to Duel effects, enter that in the Duel field.
2) Set weekly context
Choose your expected bonus unit kills per map and add any season/blessing adjustment if needed. If you are unsure, keep the defaults and compare changes one at a time.
3) Evaluate match range and total run
The calculator outputs a match score range and estimated total for one 5-match streak. Aim for consistency: if your low-end value is near a cutoff, your run can be risky.
Practical FEH Arena optimization tips
- Prioritize full merges on your core before chasing niche upgrades.
- Use high-SP assists/specials where possible to hit better bins.
- Don’t ignore support units—every slot affects score.
- Track your weekly cutoff trends and target a buffer above them.
- If you fish matches, compare your observed score spread with this estimator.
Frequently asked questions
Is this exact?
No. It is an Arena planning estimator. It captures core score drivers and gives realistic directional guidance.
Why include a manual adjustment field?
Arena rules and team interactions can introduce edge behavior. Manual adjustment gives you quick control without rebuilding your whole setup.
Should I maximize SP on every slot?
For score-focused play, yes—especially on your permanent core. For comfort and win rate, balance SP with practical combat.