backpack Gear Weight Math

Ultralight Backpacking Weight & Budget Calculator

Calculate your "Big 4" gear base weight (tent, bag, pad, pack), evaluate ultralight category thresholds, and track cost-per-ounce value.

"Big 4" Gear Weight Inputs

Tent / Shelter Weight: 36 oz (2.25 lbs)

Sleeping Bag / Quilt Weight: 24 oz (1.50 lbs)

Sleeping Pad Weight: 14 oz (0.88 lbs)

Backpack Weight: 32 oz (2.00 lbs)

Total "Big 4" Investment ($)

Base Weight & Value Breakdown

Big 4 Base Weight6.63 lbsSuper Ultralight (UL < 10 lbs)

Total Weight in Ounces106 oz

Cost per Ounce$8.02 / oz

Ultralight Weight Strategy

Shaving weight from your "Big 4" yields the highest impact on trail comfort. Aim for a total Big 4 base weight under 10 lbs (160 oz) to qualify as true Ultralight (UL).