Factorio Stack Size Comparison (Items per Stack)
Factorio vanilla stack sizes, from 50 ore stacks to 2000 space science. Official wiki table with linked converter tool. See all 15 stacks listed here.
Visual comparison
All values
Click any row to load it as Entry A.
| Name | Value | Context | Source |
|---|---|---|---|
| Iron Ore Cheapest row here. Furnaces eat it. | 50 items | Raw resource group | Factorio Wiki Stack table: all ores, stone, coal 50 |
| Inserter Tied with ore. | 50 items | Logistics group, all tiers | Factorio Wiki Stack table: all inserters 50 |
| Assembling Machine Tied with ore. | 50 items | Production group, tiers 1-3 | Factorio Wiki Stack table: all assemblers 50 |
| Iron Plate Double ore. Smelted standard. | 100 items | Intermediate group | Factorio Wiki Stack table: plates, steel, gears 100 |
| Copper Plate Tied with iron plate. | 100 items | Intermediate group | Factorio Wiki Stack table: 100 row |
| Steel Plate Tied with iron plate. | 100 items | Intermediate group | Factorio Wiki Stack table: 100 row |
| Iron Gear Wheel Two plates per gear. | 100 items | Intermediate group | Factorio Wiki Stack table: 100 row |
| Processing Unit Priciest 100 row tech. | 100 items | Blue circuit | Factorio Wiki Processing Unit infobox: Stack 100 |
| Transport Belt One hundred tiles per stack. | 100 items | Logistics group, all tiers | Factorio Wiki Stack table: all belts 100 |
| Copper Cable Double plate. Two per craft. | 200 items | Intermediate group | Factorio Wiki Stack table: 200 row |
| Electronic Circuit Tied with cable. | 200 items | Green circuit | Factorio Wiki Stack table: 200 row |
| Advanced Circuit Tied with cable. | 200 items | Red circuit | Factorio Wiki Stack table: 200 row |
| Firearm Magazine Turrets chew through it. | 200 items | Ammo group, all magazines | Factorio Wiki Stack table: all magazines 200 |
| Automation Science Pack Labs drink red and green. | 200 items | Science group, non-space | Factorio Wiki Stack table: all science except space 200 |
| Space Science Pack Priciest row here. Ten times normal. | 2,000 items | Rocket silo science | Factorio Wiki Stack table: space science 2000 unique |
About this converter
Vanilla stacks group into 50, 100, 200 and 2,000. Ores, inserters and assemblers sit at 50. Plates, steel, gears, blue circuits and belts sit at 100. Cables, green circuits, red circuits, magazines and lab science sit at 200. Space science alone stacks to 2,000 as a two rocket buffer. Values come from the official wiki stack table for version 2.0. Nuclear fuel, locos and modules sit at 1, 5, 10 or 20 and stay out to keep mid game rows tight.
How to use it
Pick two items and a unit in the top row. The three boxes below stay linked. Change any box and the other two update. Try 1 space science against iron plates to see the twenty to one gap. Train math starts from these stack counts.
Stack sizes never change with research in vanilla, so these rows hold across saves. Roboports stack to 10, pumpjacks and modules to 20, and nuclear fuel to 1. Mods rewrite stacks freely and stay out of this table. Belt and inserter rows cover all tiers at the same counts. Chest and wagon capacities multiply these stacks into bulk train loads.
FAQ
How many iron plates per stack?
100 in vanilla. Same for copper, steel and gears.
How many circuits per stack?
200 for green and red. Blue processing units stack to 100.
Why does space science stack so high?
It stacks to 2,000 as a rocket silo buffer. Ten times normal science.
Do mods change stacks?
Yes, freely. This page keeps vanilla 2.0 wiki values only.
Sources
- Factorio Wiki: Stack table v2.0 (50 ores/inserters/assemblers, 100 plates/belts, 200 circuits/magazines/science, 2000 space science)
- Factorio Wiki: Processing Unit infobox (Stack 100)
Last verified: 2026-10-01 · 15 entries
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