ModsJava
ZoneCalculator
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
ZoneCalculator - Minecraft Plugin
A simple zone selector, block calculator, and outline visualization plugin for Paper/Spigot 1.21-1.21.11 servers.
Features:
- Zone Selection: Use a wooden axe to select two positions (left click = position 1, right click = position 2)
- Block Calculator: The /cal command calculates all non-air blocks in the selected cuboid area, showing a sorted list by block count
- Per-player selections stored automatically
Commands:
- /cal - Calculate blocks in selected area
Permissions:
- zonecalculator.use - Required to use the plugin (default: true)
Usage:
- Hold a WOODEN_AXE in your main hand
- Left-click a block to set position 1
- Right-click a block to set position 2
- Run /cal to see block counts
Requires:
- Paper 1.21+ or Spigot 1.21+
- Java 21
Quick facts
- 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.
File checked by MCModsHub
- Ships as ZoneCalculator-1.21.jar — drop this file into the mods folder
- Download size: 8 KB
- Download link checked 3 Oct 2026 — working
These come from our own check of the pack file, not from the source page.