Spell Slot Calculator

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  • Post last modified:21 January 2024
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This calculator gives you exactly how many spell slots you get at each level, following the D&D 5e multiclassing rules in Chapter 6 of the Player’s Handbook. Quick reference guide right at your fingertips!

Introduction

A simple tool: The D&D 5e Multiclassing Spell Slot Calculator. Whether you’re a player juggling the spellcasting capabilities of a Wizard/Cleric or a Dungeon Master trying to keep track of a Sorcerer/Warlock’s slots, the one and only Spell Slot Calculator is designed to make your life easier.


How to Use the Spell Slot Calculator

Easy peasy:

  1. Enter your character’s class levels.
  2. See the results: The number and level of spell slots.

That’s it.


The Challenge of Calculating Spell Slots for Multiclass Characters

Spell slot calculations are hard. Especially for multiclass characters. The rules are mess, they are everywhere, in various sections in the Player’s Handbook.

It requires cross-referencing and careful tracking, especially as characters evolve. Who does that? This complexity is just doesn’t make sense and slows down gameplay and create confusion.



Benefits of Using the Calculator for Your Campaign

There are several advantages.

  • It streamlines gameplay.
  • It reduces manual calculation errors.
  • It enhances the overall gaming experience by allowing players and DMs to focus more on the narrative and strategy
  • Not spending time in the mechanics of spell slot tracking.

FAQ

  • Can the calculator be used for characters in any edition of D&D?

    The calculator is specifically designed for Dungeons & Dragons 5th Edition, following the multiclassing rules from the 5e Player’s Handbook. It may not be applicable for other editions due to differences in rules.

  • How does the calculator handle unique class combinations or homebrew rules?

    The calculator is based on the standard ruleset provided in the 5e Player’s Handbook. Unique class combinations or homebrew rules might not be fully supported, and manual adjustments might be necessary.

  • How do you calculate spell slots?

    Short answer: We converted rules in Player’s Handbook into code.
    Long answer:
    Calculating spell slots for a multiclass character involves a few steps:
    1 – Identify Spellcasting Classes: Determine which of your classes are spellcasting classes. Full casters (Bard, Cleric, Druid, Sorcerer, Wizard) count each level fully towards spellcasting. Half casters (Paladin, Ranger) count each level as half, and third casters (certain subclasses of Rogue and Fighter) count each level as a third.
    2 – Calculate Total Spellcasting Levels: Add up your effective spellcasting levels. For full casters, each level counts as 1. For half casters, it’s 0.5 (rounded down), and for third casters, it’s 0.333 (rounded down).
    3 – Refer to Multiclass Spellcaster Table: Use the Mtable based on the total spellcasting levels.
    4 – Separate Warlock Levels: If you have levels in Warlock, calculate these separately due to their unique Pact Magic feature.
    5- Spells Known/Prepared Limitations: Your ability to prepare or know spells is limited by the levels in individual spellcasting classes, not the total spellcasting level.
    For example, a character who is a 3rd-level Wizard and a 2nd-level Cleric would calculate their spell slots as a 5th-level caster but prepare spells as a 3rd-level Wizard and 2nd-level Cleric separately. Warlock spell slots are calculated and used independently from the other classes.

  • How do spell slots work with Multiclassing in D&D 5e?

    In D&D 5e multiclassing, spell slots are combined total of your spellcasting levels across classes, using a specific table in the Player’s Handbook, with Warlock levels calculated separately.

  • Is Warlock a full caster?

    No, Warlocks are half casters. Warlocks are not considered full casters in the traditional sense because they use Pact Magic, which operates differently from standard spellcasting classes in terms of spell slot recovery and progression.