basic

RPG XP Curve Calculator

XP needed for level n on a quadratic curve.

Compute the XP needed to reach a target level on a quadratic XP curve, XP(n) = a · (n − 1)^p + b · (n − 1). Defaults reproduce a typical "slow but smooth" classic-RPG curve.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

XP(n) = a · (n − 1)^p + b · (n − 1)

In depth

Compute the XP needed to reach a target level on a quadratic XP curve, XP(n) = a · (n − 1)^p + b · (n − 1). Defaults reproduce a typical "slow but smooth" classic-RPG curve.