TrailWeight: Backpacking Gear

Weigh every gram. Build your gear closet, assemble pack lists, and run a shakedown to cut base weight before your next thru-hike. Syncs free over iCloud.

TrailWeight helps ultralight backpackers track every gram and dial in the lightest pack that still keeps them safe and comfortable on trail.

YOUR GEAR, CATALOGED • Build a personal gear inventory with weights, categories, and notes • Track each item once and reuse it across every trip • See where your weight really goes

PACK LISTS THAT ADD UP • Assemble a pack list from your gear closet • Mark items as worn or consumable so the math reflects reality • Watch base weight and total weight update as you pack

KNOW YOUR NUMBERS • Base weight, worn weight, consumables, and total pack weight at a glance • Break weight down by category to find what's worth cutting • Compare setups and trim toward your target

SHAKEDOWN • Run a shakedown to spot the heaviest items and easy wins • Make confident swaps before you hit the trail

Syncs across your devices with iCloud. No account required — just sign in to iCloud and start weighing.