Turn calories into grams.
Enter your own daily energy target; this tool does not estimate anyone’s needs. Energy density is an average across everything you pack, so check labels. Water content, cooking losses and leftovers change the real figure.
Model details & unit conventions ↗Work out backpacking food weight from calories and energy density. 2,800 kcal per day at 450 kcal per 100 g is 653 g per day with 5% packaging.
The ten essentials for hiking as ten systems, with the problem each one solves, links to Trailwright guides and tools, and how to scale the list.
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