Garden & Outdoor calculator
What Parasol Size Do I Need?
Find parasol canopy diameter from table diameter, desired shade overhang each side, and extra canopy margin for sun angle.
Enter your measurements
This page is built for one question: what parasol size do i need? Supply table diameter, desired shade overhang each side, and extra canopy margin for sun angle, then use the returned parasol canopy diameter to screen unsuitable options.
- Table diameter — Required
- Desired shade overhang each side — Required
- Extra canopy margin for sun angle — Required
Parasol canopy diameter
Enter the measurements above to calculate parasol canopy diameter.
How the calculation works
The engine follows this rule: canopyDiameter=tableDiameter+2×(shadeOverhang+sunAngleMargin). It returns parasol canopy diameter from the configured inputs.
Worked example
Example: Table diameter = 30 cm; Desired shade overhang each side = 30 cm; Extra canopy margin for sun angle = 5 cm. Result: Canopy Diameter = 100 cm.
Before you decide
Recheck the limiting measurement before purchase or installation. This page calculates the stated geometry or quantity only; product-specific construction or installation details can still affect the final choice. For what parasol size do i need, the limiting result on this page is parasol canopy diameter.
Direct measurement/geometry calculation. No external reference is required for the arithmetic itself; the result is derived only from the user-entered measurements and the formula stored in calculationLogicJson.
Frequently asked questions
What does the Parasol Size calculator tell me?
It returns parasol canopy diameter from the measurements entered on this page. The calculation is specific to parasol size, so the result should be compared with the exact product or specification you are considering.
Which measurements should I take for parasol size?
Measure table diameter, desired shade overhang each side, extra canopy margin for sun angle. Use clear, usable dimensions rather than nominal room or product labels.
Should I round the parasol canopy diameter?
Keep the calculated value for comparison, then choose a real product that meets or stays within the returned parasol canopy diameter while allowing for the clearances, tolerances or ratings shown by its manufacturer.