Bushcraft Calculators & Interactive Tools

Water, fire, food, shelter, sleep, navigation and daylight — answers for your trip, calculated in seconds.

Fire

Calculator

How much wood to gather for cooking, warmth or a full night — split into tinder, kindling and fuel.

Finder

Pick purpose, weather and ground — get the best fire lay and how to build it.

Planner

The right tarp pitch for your weather, with ridge height, floor space, cord length and stakes.

Calculator

How much water to drink, cook with and carry — by weight, heat, effort and altitude.

Calculator

Boiling point at your altitude, safe boil time and how much gas or wood you need.

Calculator

Daily calories, food weight and macros for your trip, plus a sample day menu.

Finder

Tell it the job — ridgeline, tension, loop, joining — and get the right knot with steps.

Calculator

Naismith’s rule with pack weight, terrain and breaks — when you will actually arrive.

Calculator

Convert distance to pace counts and back, adjusted for slope, terrain and night.

Calculator

Sunrise, sunset, twilight and a camp timeline: when to stop, build shelter and light the fire.

Planner

Trip length, season and shelter in — complete weighted packing list out.

Calculator

Which comfort rating and pad R-value you need for the night’s low, your shelter and sleep type.

Calculator

Feels-like temperature and frostbite risk from air temperature and wind speed.