Factorio · Underground belt tiers | Compare
Choose a variant below. Closely related recipes, conditions or opening branches are collected here so you can compare them without moving between almost identical pages.
The version and limits of the original source apply to every entry. Quantities and requirements belong to the named variant; do not add alternative recipes or opening lines together.
These options share a planning task. Their differences stay visible in the individual rows and calculators.
Using this reference
Choose a recipe for Underground belt tiers, then choose the machine that will run it. The per-minute rate uses the recorded output, recipe duration and machine speed. Batch quantities answer how many materials a fixed number of operations consumes; the rate column answers how fast one selected machine processes them.
Increase the target rate to see the number of whole machines needed. Rounding up leaves some nominal spare capacity. This is a direct production step, not a balanced factory: upstream supply, transport and temporary interruptions still need to support the stated rate.
Underground belt
60 per minute · Buildings needed (rounded up): 1
| Source data | Batches | per minute |
|---|---|---|
| − Iron plate | 10 | 300 |
| − Transport belt | 5 | 150 |
| + Underground belt | 2 | 60 |
Rates use the selected building at base speed. No modules, beacons, quality, power shortages or overclocking are simulated. Fractional outputs are expected averages, not guaranteed drops.
per minute = Batches × 60 × Production building / seconds per cycle
Underground belt · 1 Seconds
Iron plate × 10 + Transport belt × 5 → Underground belt × 2
Station: Assembling machine 1 / Assembling machine 2 / Assembling machine 3
A worked example
Suppose you want 7 × Underground belt. This recipe produces 2 per operation, so you need 4 operations. That produces 8 in total, leaving 1 extra. The direct material list is Iron plate × 40 and Transport belt × 20.
Check the source ↗ · 2.0.77 base
Fast underground belt
30 per minute · Buildings needed (rounded up): 2
| Source data | Batches | per minute |
|---|---|---|
| − Iron gear wheel | 40 | 600 |
| − Underground belt | 2 | 30 |
| + Fast underground belt | 2 | 30 |
Rates use the selected building at base speed. No modules, beacons, quality, power shortages or overclocking are simulated. Fractional outputs are expected averages, not guaranteed drops.
per minute = Batches × 60 × Production building / seconds per cycle
Fast underground belt · 2 Seconds
Iron gear wheel × 40 + Underground belt × 2 → Fast underground belt × 2
Station: Assembling machine 1 / Assembling machine 2 / Assembling machine 3
A worked example
Suppose you want 7 × Fast underground belt. This recipe produces 2 per operation, so you need 4 operations. That produces 8 in total, leaving 1 extra. The direct material list is Iron gear wheel × 160 and Underground belt × 8.
Check the source ↗ · 2.0.77 base
Express underground belt
45 per minute · Buildings needed (rounded up): 2
| Source data | Batches | per minute |
|---|---|---|
| − Iron gear wheel | 80 | 1,800 |
| − Fast underground belt | 2 | 45 |
| − Lubricant | 40 u | 900 |
| + Express underground belt | 2 | 45 |
Rates use the selected building at base speed. No modules, beacons, quality, power shortages or overclocking are simulated. Fractional outputs are expected averages, not guaranteed drops.
per minute = Batches × 60 × Production building / seconds per cycle
Express underground belt · 2 Seconds
Iron gear wheel × 80 + Fast underground belt × 2 + Lubricant × 40 → Express underground belt × 2
Station: Assembling machine 2 / Assembling machine 3
A worked example
Suppose you want 7 × Express underground belt. This recipe produces 2 per operation, so you need 4 operations. That produces 8 in total, leaving 1 extra. The direct material list is Iron gear wheel × 320, Fast underground belt × 8, and Lubricant × 160.
Check the source ↗ · 2.0.77 base
Game and item names below retain the source’s English identifiers so you can find them in the linked documentation.