Camping Calculators
Free camping calculators: firewood estimator, sleep system warmth, meal planning, water needs, pack weight, and outdoor prep tools.
Backpacking Daily Water Needs Calculator
Estimate how many liters of water to carry or filter per day while backpacking. Adjusts for body weight, exertion level, temperature, and altitude.
Backpacking Pack Weight Budget Calculator
Use the 20% body weight rule to plan your backpacking load. Enter your weight and trip length to get max pack weight and a per-system breakdown.
Camping Water Purification Time Guide
Find the right treatment time for your backcountry water source based on elevation and purification method. Covers boiling, UV, and chemical tablets.
Portable Solar Panel Recharge Calculator
Estimate how long a portable solar panel takes to recharge a power bank or battery pack. Based on panel wattage, capacity, and available sunlight.
Backpacking Stove Fuel Burn Calculator
Calculate camping stove fuel needed by trip length, meals, and stove type. Plan canister, alcohol, white gas, or wood-stove fuel for any backpacking trip.
Hammock Suspension Calculator
Calculate ideal ridgeline length, strap length, and suspension angle for hammock camping. Get the 30-degree angle for optimal comfort.
Altitude Acclimatization Calculator
Calculate how many acclimatization days you need before reaching your target altitude. Plan your ascent schedule to reduce altitude sickness risk on treks.
Backpacking Food Calorie Calculator
Calculate daily calorie needs for backpacking. Plan how much food to carry per day based on pack weight, terrain, and duration.
Bear Canister Food Packing Calculator
Calculate how much food fits in your bear canister by volume. Plan backcountry food storage to meet national park and wilderness regulations by trip length.
Camp Meal Planner Calculator
Calculate how much food to pack for a camping or backpacking trip. Estimate calories, weight, and quantities per person per day.
Campfire Wood Calculator
Calculate firewood for a camping trip from nights, burn hours, and wood type. Returns bundles or cords for oak, pine, and hardwood with BTU output per bundle.
Campsite Lighting Calculator
Calculate lantern brightness, battery life, and coverage area for your campsite. Choose the right camping light for your needs.
Sleeping Bag Temperature Rating Calculator
Find the right sleeping bag temperature rating for your camping conditions. Accounts for gender, sleep style, and insulation type.
Tent Capacity and Comfort Calculator
Find out how many people actually fit comfortably in a tent. Manufacturer ratings are optimistic — get the real comfortable capacity.