Unit Converter
Carpet Calculator
Estimate room carpet area and order area with waste allowance.
Formula and usage notes
area = length x width; order area = area x (1 + waste percent).
Estimate room carpet area and order area with waste allowance.
Practical examples
A 15 by 12 room has 180 area units before waste.
Use feet with feet or meters with meters.
Pattern matching and seams can increase waste.
Frequently asked questions
What inputs does this calculator need?
Room length, Room width, Waste allowance.
How should I round the result?
Keep extra digits while comparing values, then round for the final decision or report.
Can I reuse the result in another calculation?
Yes, but preserve the original inputs and units so the next calculation stays traceable.