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02 / Bench & Base
Miniature base rim paint area calculator
Calculate the curved side area of round base rims for comparing painting batches.
Your measurements
Use the units shown. Your measurements stay in this browser.
The plan
Your results
How the calculation works
Rim area per base = π × diameter × painted height. Multiply by bases and coats.
Before you use the result
Models rims as vertical cylinders. Does not include the top, underside, taper or texture. Area is not a paint-volume prediction.
A worked example
Round base diameter (mm): 32 · Painted rim height (mm): 4 · Bases: 30 · Coats: 2.
- Single rim (cm²)
- 4.021
- Total rim area (cm²)
- 120.637
- Area across coats (cm²)
- 241.274
Results display up to three decimal places. Rounding happens only for display, except where the method explicitly counts whole items.