Answer the question every enquiry starts with.
One slider gives a straight answer: the space needed, what it holds, and the unit you actually have free.
Almost nobody knows what 50 sq ft looks like. So customers guess, and a guess goes one of two ways: they book too small and leave frustrated, or they stall on the size question and never finish the enquiry at all. A size chart alone does not settle it, because it asks the customer to do the translating.
What it does
Three ways to picture it
Space size, van load and box count move together, and the customer can slide by whichever one they actually understand.
Matched to real stock
Every size resolves to the smallest unit you have free at that location, so the answer is never a unit you cannot sell.
Nothing fits? Still a lead
When the size is bigger than anything free, it captures a callback request instead of showing a dead end.
One slider. A real answer.
Drag it. The comparisons move together, the recommendation names a unit you actually have, and the quote button carries the size straight through to the booking form. This is the live plugin, running on this page.
Built for storage sites
Real-world comparisons
Every size is described as a room, a vehicle load and a number of boxes, so nobody has to picture square feet.
Availability aware
Recommendations come from the units you actually have free at that site, not a generic list.
Size guide included
A full size table, generated from the same list the slider uses, so the guide and the calculator can never disagree.
Drops in anywhere
Shortcode, block or Elementor widget. Identical output from all three, and no page builder required.
Fully brandable
Colours, button shape and every line of copy are settings, so it takes your branding rather than ours.
Sq ft or sq m
Set the default and let the visitor switch. Their choice is remembered while they browse.
Running on this page
The calculator above is the plugin itself, not a screenshot or a mockup.
You set the sizes. It matches the stock.
The sizes on the slider and the units you rent are two separate lists, kept deliberately apart. You edit both in WordPress, and the plugin reconciles them on every render, so a small site still gets a smooth slider and never recommends a unit it cannot let.
| Customer | Size | Move-in | Status |
|---|---|---|---|
| Sarah Patelsarah.patel@example.com | 50 sq ftMedium | 14 Jun | New |
| James Okaforjames.okafor@example.com | 25 sq ftSmall | 21 Jun | Following up |
| Mia Donnellymia.donnelly@example.com | 300 sq ftCallback, nothing free | 1 Jul | Booked |
- Your sizes, your words: every size, comparison and description is editable, with UK defaults to start from.
- Every enquiry captured: name, contact, size and move-in date, stored in WordPress and emailed to you.
- Or skip the form entirely: point the quote button straight at the booking system you already run.
Want this on your storage site?
We’ll set it up against your own unit sizes, prices and locations, in your branding, or build something bespoke around how you work.






