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Rounded border face finish.

Measure the outer rounded face and its supplied matched inner inset.

Read the right quantitative data

Actual radii, inset and finish coverage.

Check this ordering assumption

Reducing width and length while retaining the wrong corner radius misstates the remaining band area.

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Use a consistent supplied inner shape and count backs or edge faces separately.

A worked quantity method

This illustrative set of supplied inputs demonstrates Rounded Rectangle Inset Frame Coating Calculator. Replace the example measurements and product figures with your own before ordering.

Supplied inputMetric displayUS display
Supplied coat count1 1
Chosen product coverage1 m²/L40.75 ft²/US gal
Selected container volume1 L0.26 US gal
Supplied rounded face frame 1: Outer width2 m6.56 ft
Supplied rounded face frame 1: Outer height1 m3.28 ft
Supplied rounded face frame 1: Supplied outer corner radius0.2 m0.66 ft
Supplied rounded face frame 1: Supplied face inset0.1 m0.33 ft
Supplied rounded face frame 1: Identical frames1 1
Rounded rectangle area = width × height − (4 − π) × radius²; inner dimensions reduce by 2 × inset and inner radius by inset.Rounded rectangle area = width × height − (4 − π) × radius²; inner dimensions reduce by 2 × inset and inner radius by inset. Does not choose radius, border size, supporting structure or finish coats.

Selected coating containers: 1 containers

Measured coated area
0.53 m²
Required liquid
0.53 L

Matched uniform inset model with inset no greater than the supplied outer corner radius. Other corner constructions are excluded. Coating suitability and coat count are not selected.

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BEFORE YOU CALCULATE

Your measurement and product-data sheet

Record what you know and mark verified items ready. Notes save on this browser after you edit them. Download a copy before clearing browser data.

Measure the outer rounded face and its supplied matched inner inset.

Actual radii, inset and finish coverage.

Reducing width and length while retaining the wrong corner radius misstates the remaining band area.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

Input for Rounded Rectangle Inset Frame Coating Calculator. Record the value with its unit and quantity basis.

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Turn the estimate into an order

  1. Confirm that all quantities use the same measured basis and the selected product's current data.
  2. Keep different products, finishes and handed variants in separate purchase lines.
  3. Review exact demand and whole-pack purchase quantities before entering your quoted prices.
  4. Record compatible stock already on hand, then save the remaining order in your browser project.

Measurement and purchase guides

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Reviewed 6 October 2026. Geometry and purchase arithmetic use your measurements and selected specifications. Calculation scope.

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