A Caretaker with a blue backpack looking toward the sunlit sea between flowering trees in The Last Caretaker. — Screenshot: The Last Caretaker © Channel37

Calculators · Guides · Item database

The Last Caretaker Tools

Plan Lazarus humans, power, fuel and skills with checked game data. Every number shows where it came from.

The Last Caretaker calculators Browse 37 guides Tips and Tricks

Early Access coverage through Update 5.5

New & updated

Humans
Human Calculator (Lazarus)
Calculate human attributes from food and check Lazarus Rack stat thresholds.
Updated October 20, 2026
Exploration
Last Caretaker Map: All Locations
See all 103 cross-checked locations on an interactive map, filter by type, search by name, track the places you have visited and find the nearest to you.
Updated October 20, 2026
Combat
Backpacks: ONi Battery & Petrol
Compare all six ONi battery and petrol backpacks by unlock tier, weight and recipe, and see the new Update 6 backpack.
Updated October 19, 2026
Resources
Dismantle Tool Guide
Check Scrap names, Recycler unlocks and the recycling details still awaiting confirmation.
Updated October 19, 2026
Fuel
Oil, Methane, CO2 & Fuel Guide
Where to get oil, how to make methane and CO2, how to refine fuel, and why a machine may stop producing.
Updated October 19, 2026
Survival
Heating Guide: Boiler & Heaters
How the Update 6 Boiler and heaters keep North Bastion warm, where to unlock them, and dated beta readings.
Updated October 19, 2026

Card pictures: Screenshot: The Last Caretaker © Channel37

Calculators

All 6 calculators →

A Caretaker on a sunny deck beside a round tower, railings and equipment in The Last Caretaker.

Skills

Enhancer Planner

Set enhancer levels, compare Vitality, carry capacity, battery and base power draw, and share your build.

Machines on a deck connected by blue cables and orange hoses in The Last Caretaker.

Power

Power Grid Calculator

Calculate cable sections and extenders for a straight-line connection, with up to 20 m per section.

A Caretaker with glowing blue eyes and an orange scarf beside platform railings and a steel tower in The Last Caretaker.

Skills

Skill Tree Planner

Find unlocks by player level, check blueprint requirements, and plan a goal with verified skill costs and quest requirements.

Machines linked by blue cables in a base room in The Last Caretaker.

Crafting

Efficiency Matrix Calculator

Calculate crafting resource savings and module charges.

A white cultivation pod beneath an overhead opening in a tall Lazarus room in The Last Caretaker.

Humans

Human Calculator (Lazarus)

Choose foods to total height, weight and life expectancy, check Lazarus Rack minimums, and review dated sources and disputed readings.

A storage room piled with round canisters in many colors in The Last Caretaker.

Fuel

Fuel & Storage Calculator

Count barrels and bulk containers for each fuel, compare disputed capacities, and check fuel sources.

Card pictures: Screenshot: The Last Caretaker © Channel37

AI illustration of two Caretakers in orange scarves, one kneeling and one standing, on a metal deck overlooking the ocean, inspired by The Last Caretaker. — Illustration: AI-generated artwork, not a game screenshot

Plan every run with clarity.

Calculators and guides built from checked game data, updated with every patch.