DatapacksJava
Velocity Calculator
Java data pack listed for Minecraft 1.21–26.x. Downloads from the MC Java Mods app on Android.
⬇ Download on Modrinth
Velocity Calculator
A multiplayer-safe datapack library for measuring exact player movement speed from per-tick position deltas.
Compatibility
- Minecraft versions: 1.21.1 through 26.2
- Datapack metadata: pack_format 48 with supported range up to 107.1
Features
- Per-player scoreboard math (safe for multiplayer)
- Velocity in blocks per tick and blocks per second
- Green actionbar output with decimal formatting
- Teleport/dimension spike protection
Notes
- Uses actionbar-only UI to avoid shared bossbar conflicts.
- Works as a standalone datapack or as a utility library in larger packs.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.21.2, 1.21.3
- 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 — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as velocity_calculator-v1.1.0.zip
- Download size: 20 KB
- Download link checked 22 Oct 2026 — working
These come from our own check of the pack file, not from the source page.