📐 Free tool

What size storage unit
do you actually need?

Add what you're storing and get an instant recommendation — from a 5x5 closet-sized unit to a 10x30 garage. No email required, no signup.

  • Based on typical packing density, with walking room factored in
  • Works for apartments, houses, and garage overflow
  • 100% free — runs in your browser
🧮 Storage Unit Size Calculator
Recommended unit
Add your items
Tap + on anything you plan to store.

Renting the unit is easy. Finding things in it later isn't.

Six months from now, you'll be standing in that unit wondering which of 40 identical boxes has the winter coats. BoxQR fixes that: every box gets a QR label, AI lists the contents from a photo, and you search from your phone — before you even drive over.

Label Your Boxes Free