how many items can a stack of coal burn

Quick Answer

A stack of coal (64 individual pieces) can burn 512 items in Minecraft.

Breaking It Down

Individual Coal Basics

• One piece of coal smelts 8 items (ores, food, blocks, etc.).

• This is consistent across both coal and its twin, charcoal.

Stack Math

A full stack contains 64 pieces of coal. Here's the calculation: 64 coal × 8 items per coal = 512 items total

Coal Block Bonus

If you're wondering about blocks of coal (crafted from 9 coal):

• One coal block smelts 80 items

• This is actually more efficient than 9 individual coal pieces (which would only smelt 72 items)

• So a stack of 64 coal blocks would smelt 5,120 items (64 × 80)

Fuel Efficiency Context

For reference, here's how coal stacks up against other common fuels:

Fuel Type| Items Smelted Per Unit
---|---
Lava Bucket| 100
Coal Block| 80
Dried Kelp Block| 20
Coal (single)| 8
Charcoal| 8

Pro Tips for Smelting

• Smelt in multiples of 8 when using coal to avoid wasting fuel.

• If you have fewer items than the fuel can burn, some fuel goes to waste.

• Coal blocks are worth crafting for large-scale smelting operations since they're more efficient.

TL;DR

One coal = 8 items | One stack (64 coal) = 512 items | One coal block = 80 items

Information gathered from public forums or data available on the internet and portrayed here.