Stuff Sack Calculator
Calculate the right stuff sack size for your sleeping bag, clothing or equipment.
Enter the item type
Length measurement
Width measurement
Enter the depth
How much it compresses (50% = half the volume)
How We Calculate This
Uncompressed volume = Length × Width × Depth / 1000 (cm to litres)
Compressed volume = Uncompressed × Compression ratio
The calculator then recommends a standard stuff sack size that fits the compressed volume.
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Always verify conditions and use proper safety equipment outdoors.