Emergency Prep

Bug-Out Bag Weight Calculator

Estimate total bug-out bag weight and compare it with body weight before you pack too much. This is a practical planning tool for emergency bags and evacuation kits.

Updated May 2026No signup requiredBuilt for mobile

Total pack weight--

Percent of body weight--

Planning band--

How to use this calculator

Enter the real measurements or counts you have now, run the calculator, then round the result in the practical direction before buying supplies or making a plan.

Formula or calculation method

Total pack weight = base + water + food + tools + medical items

Percent of body weight = pack weight / body weight x 100

Practical examples

Example 1

A 180 lb person carrying 39.3 lb is carrying about 21.8 percent of body weight.

Example 2

Removing 5 lb of duplicate gear lowers that pack to about 19 percent of body weight.

Useful assumptions

  • Carry limits vary by health, terrain, weather, training, and footwear.
  • This is not medical advice.
  • Test your pack safely before depending on it.

Common mistakes

  • Packing gear that has not been tested
  • Forgetting water is heavy
  • Ignoring medications and personal needs
  • Using a bag weight that cannot be carried for distance
FAQ

Bug-Out Bag Weight Calculator questions

How heavy should a bug-out bag be?

There is no one number. The practical weight depends on the person, distance, terrain, and health.

Should water be included?

Yes. Water is one of the heaviest and most important items.

Is lighter always better?

Usually lighter is easier to carry, but do not remove essential safety, medical, or weather gear.

Can this replace training?

No. Test your loaded bag in realistic but safe conditions.

What should I do if the percent is high?

Reduce duplicate gear, choose lighter items, shorten the plan, or split shared supplies.