Arena Run Expected Value Calculator

Quick answer

Decide if arena entries pay off: expected value per run, daily profit, and the break-even win rate from cost, reward, and win chance.

Figures are estimates from this calculator’s standard formula — adjust the inputs in the tool below for your exact number.

How the Arena EV Calculator Works

EV = reward x win rate; daily profit = (EV - entry cost) x entries; break-even = cost / reward

Each entry is a bet on your win rate. The tool prices the expected reward, nets out the entry cost per run, and scales by daily entries.

1
Enter entry economics
Give entry cost and average reward value per win.
2
Enter performance
Add your win rate percent and daily entries.
3
Read the verdict
See EV, daily profit, and required break-even rate.

FAQs

Is an arena with 100 cost and 250 reward profitable at 50% wins?

EV is 125 per entry, so you net 25 per run — 250 daily profit across 10 entries.

What win rate do I need to break even there?

100 / 250 = 40%: below that, every entry burns gold on average.

How many entries should I play daily?

The tool scales linearly: at 25 profit per run, 10 entries yield 250 while 4 entries yield 100.

What if my win rate is 35%?

EV drops to 87.5, below the 100 cost, so each entry averages a 12.5 loss — skip the arena.

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