PLOT TOOLS
Start with a plan.
Three calculators with visible assumptions. No product recommendations or crop presets are inferred.
/ 01
Polytunnel cover calculator: estimate a roof sheet (UK)
Estimate a half-ellipse roof sheet from width, length, height and an edge allowance.
Open calculator / 02Polytunnel planting planner: make a bed grid (UK)
Use your chosen crop spacings to count plant spaces and print a simple plan.
Open calculator / 03Polytunnel size calculator: plan your footprint (UK)
Turn bed dimensions, path width and door position into a layout footprint.
Open calculator