Home & Furniture calculator
What Rug Size Do I Need Under a Bed?
Calculate rug size under bed using bed width, bed length, and desired rug showing each side.
Enter your measurements
Rather than guessing what rug size do i need under a bed, enter bed width, bed length, and desired rug showing each side. The result is rug size under bed, calculated specifically for this product or space decision.
- Bed width — Required
- Bed length — Required
- Desired rug showing each side — Required
- Desired rug showing beyond foot — Required
- Distance rug starts below head of bed — Optional
Rug size under bed
Enter the measurements above to calculate rug size under bed.
How the calculation works
Calculation used: rugWidth=bedWidth+2×sideExposure; rugLength=max(0,bedLength-underHeadInset)+footExposure. The reported result is rug size under bed.
Worked example
Example: Bed width = 150 cm; Bed length = 200 cm; Desired rug showing each side = 50 cm; Desired rug showing beyond foot = 50 cm; Distance rug starts below head of bed = 5 cm. Result: Rug Length = 245 cm; Rug Width = 250 cm.
Before you decide
Enter the dimensions that will exist in real use, not an approximate catalogue category. This page calculates the stated geometry or quantity only; product-specific construction or installation details can still affect the final choice. For what rug size do i need under a bed, the limiting result on this page is rug size under bed.
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 Rug Size Under a Bed calculator tell me?
It returns rug size under bed from the measurements entered on this page. The calculation is specific to rug size under a bed, so the result should be compared with the exact product or specification you are considering.
Which measurements should I take for rug size under a bed?
Measure bed width, bed length, desired rug showing each side, desired rug showing beyond foot, distance rug starts below head of bed. Use clear, usable dimensions rather than nominal room or product labels.
Should I round the rug size under bed?
Keep the calculated value for comparison, then choose a real product that meets or stays within the returned rug size under bed while allowing for the clearances, tolerances or ratings shown by its manufacturer.