
Spawner Calculator
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
This is a mod that adds the command /calc It easly lets you calculate the price and amout of spawners owed when fliping spawners on donut smp.
⬇ Download on Modrinth

How to use:
Type /calc to open the GUI
Imput you servers sell/buy prices into the Presets box then press buy or sell to make the amount you entered auto fill the calculator text box.
The Spawner Stacks Calculator allows you to enter the ammout of spawners and it tell you how many stacks + individual spawners are equivalent to your entered number.
Thank you to MooGame for the Ideas
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as spawner-calc-all-versions-1.0.0.jar — drop this file into the mods folder
- Download size: 16 KB
- Download link checked 11 Nov 2026 — working
These come from our own check of the pack file, not from the source page.