State of Survival
Building Calculator
Upgrade costs, time planning, HQ prosperity checks, and build queue totals.
Current tool status
Live local build
Upgrade Calculator
Pick a building, level range, and construction speed to estimate total cost and time.
Food
284.70M
Wood
284.70M
Metal
79.80M
Gas
22.77M
Base Time
62d 21h 41m
⏱️
Adjusted Time
28d 14h 13m
⚡
Multi-Building Planner
Add multiple upgrades and get one combined total instead of calculating each building separately.
Food
284.70M
Wood
284.70M
Metal
79.80M
Gas
22.77M
Base Time
62d 21h 41m
⏱️
Adjusted Time
28d 14h 13m
⚡
HQ Prosperity Check
Track whether your current building levels meet the prosperity requirement for the HQ level you want.
Current prosperity
4,438,867
Required prosperity
8,150,000
Prosperity gap
3,711,133
54.5% complete
Building levels
Prosperity Debug
Shows the exact prosperity value being used for each building at its selected level.
Building
Level
Prosperity Used
HQ
22
946,967
Hero Precinct
22
737,447
Barracks
22
215,959
Range
22
215,959
Garage
22
215,959
Hospital
22
215,959
Research Lab
22
271,932
Assembly Point
22
271,932
Barricade
22
215,959
Warehouse
22
271,932
Farm
22
70,440
Lumberyard
22
70,440
Gas Tank
22
70,440
Furnace
22
70,440
Training Camp
22
51,733
Command Station
22
186,795
Lookout Tower
22
215,959
Trading Post
22
122,615
Reclaim Land
Flat
0
Total
4,438,867