Defense planning
Rust Defense Cost Calculator
Measure what a full-health wall or door asks from a raider, then compare stronger versions of the same layer.
Patch 2026.07 · Updated 2026-07-11
Saved target profile
Walls and doors on the route
Whole target profile
Raid target · 0 layers
Add mandatory walls or doors to measure the whole route.
Protected layer
Set the defense
Break cost
1 × Stone Wall
| Raid item | Needed | Sulfur bill |
|---|---|---|
| Rocket | 4 | 5,600 |
| Timed Explosive Charge | 2 | 4,400 |
| Satchel Charge | 10 | 4,800 |
| Explosive 5.56 Rifle Ammo | 185 | 4,625 |
Upgrade check
Same layer type, stronger grades
- Wood Wall
- 2 rockets
2,800 sulfur
- Stone Wall
- 4 rockets
5,600 sulfur
- Sheet Metal Wall
- 8 rockets
11,200 sulfur
- Armored Wall
- 15 rockets
21,000 sulfur
Compare the extra building cost in the build calculator before upgrading every layer. A stronger piece only matters if the raid route must pass through it.
Quick answers
Frequently asked questions
How is rocket resistance compared?
The comparison multiplies the full-health rocket baseline by the number of matching walls or doors.
Does honeycomb splash damage change the result?
Yes. The table is a clean layer-by-layer comparison and does not model splash damage between nearby building pieces.