Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Level Up Calculator

Calculates the total XP (experience points) needed to advance from one character level to another using a flat XP-per-level model. Useful for RPGs, legacy board games (Gloomhaven, Pandemic Legacy), and any progression system with linear XP costs.

Current Level (lvl)

Target Level (lvl)

XP per Level (XP)

Fill in the required fields to see your result.

Gaming

Build Stat Optimizer

Calculate your RPG or action-game character's effective attack power by combining base attack, percentage bonus, and flat damage additions. Use it when comparing gear, talents, or build paths.

Base Attack (atk)

Attack Bonus (%)

Flat Damage (dmg)

Fill in the required fields to see your result.

Key differences

	Level Up Calculator	Build Stat Optimizer
Category	Gaming	Gaming
Inputs required	3	3
Result	XP Needed (XP)	Total Attack (atk)
What it does	Calculates the total XP (experience points) needed to advance from one character level to another using a flat XP-per-level model. Useful for RPGs, legacy board games (Gloomhaven, Pandemic Legacy), and any progression system with linear XP costs.	Calculate your RPG or action-game character's effective attack power by combining base attack, percentage bonus, and flat damage additions. Use it when comparing gear, talents, or build paths.