Calculator
Water Needs Calculator
How much water to drink, cook with and carry — by weight, heat, effort and altitude.
Bushcraft skills, explained step by step
Learn bushcraft the structured way
Fire, shelter, water, food, tools, skills and gear — clear guides with schematics, short videos and interactive planners.
Build your bushcraft kit Explore the skills
- 51in-depth guides
- 13calculators
- 7skill areas
- EN · DEEnglish & German
The Bushcraft Knowledge Tree
Seven core skill areas. Every guide sits in exactly one place, so you always know what to learn next.
Bushcraft Calculators & Interactive Tools
Water, fire, food, shelter, sleep, navigation and daylight — answers for your trip, calculated in seconds.
Calculator
Firewood Calculator
How much wood to gather for cooking, warmth or a full night — split into tinder, kindling and fuel.
Finder
Fire Lay Picker
Pick purpose, weather and ground — get the best fire lay and how to build it.
Planner
Tarp Pitch & Cordage Planner
The right tarp pitch for your weather, with ridge height, floor space, cord length and stakes.
Calculator
Sleeping Bag & Pad Calculator
Which comfort rating and pad R-value you need for the night’s low, your shelter and sleep type.
Calculator
Sunset & Daylight Calculator
Sunrise, sunset, twilight and a camp timeline: when to stop, build shelter and light the fire.
Calculator
Hiking Time Calculator
Naismith’s rule with pack weight, terrain and breaks — when you will actually arrive.
Finder
Knot Finder
Tell it the job — ridgeline, tension, loop, joining — and get the right knot with steps.
Start here
Feather Sticks
How to make a feather stick that lights first time: best wood, knife grips, push and pull curls, fatwood, fixing problems and carving in the rain.
Tarp Shelter Setups
How to set up a tarp shelter: ridgeline, 12 tarp pitches compared, knots for every tie-out, ridge-height geometry and rain tricks that keep you dry.
Boiling Water
How long to boil water to make it safe: 1 minute at a rolling boil, 3 minutes above 2,000 m. Boiling points by altitude, fuel, containers and cooling.