Portal Calculator

by Fayr · on Modrinth

A Fabric mod that adds a /convert command to calculate Nether portal coordinates. Free Minecraft Java mod for 1.21.11.

Portal Calculator 1.2x.x

A Fabric mod for Minecraft 1.2x.x that adds a /convert command to calculate Nether portal coordinates.

/convert — Automatically converts your current position based on your dimension
/convert nether <x> <y> <z> — Converts Overworld coordinates to Nether coordinates
/convert overworld <x> <y> <z> — Converts Nether coordinates to Overworld coordinates

The command is available to all players (permission level 0).

Verified by MCModsHub

Ships as portal-calculator-1.21.11-1.0.0.jar — drop this file into the mods folder
Download size: 14 KB
Download link checked 8 Sept 2026 — working

These come from our own check of the pack file, not from the source page.