Bouncy Castle Calculator — Size & Space
Work out the right bouncy castle size and check it fits your space.
How We Calculate This
This calculator checks whether your chosen bouncy castle fits your garden and estimates costs.
How it works
- Required space = castle dimensions + 1.5m clearance each side
- Fits in garden = garden >= required space
- Cost per child = hire cost / number of children
- Cost per hour = hire cost / hire duration
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Adjust quantities based on your guests and event type.