Rubber mulch calculator
PRORubber mulch weight, bags and coverage for playgrounds.
Short answer: lbs = cu ft × 45 (typical rubber mulch density). 15 × 15 ft × 6" = 112.5 cu ft ≈ 5,063 lb (127 bags of 40 lb). Enter your measurements above and the rubber mulch calculator returns the quantity, unit conversions and an estimated cost instantly, in imperial or metric — no sign-up needed.
What do you need to measure?
What is the answer?
Pounds
3,375
40 lb bags
85
Cubic yards
2.78
How does the rubber mulch calculator work?
lbs = cu ft × 45 (typical rubber mulch density).
What does a worked example look like?
15 × 15 ft × 6" = 112.5 cu ft ≈ 5,063 lb (127 bags of 40 lb).
What do people ask most?
›Playground depth?
6" of rubber mulch meets most fall-height safety standards.
Which yard & landscape calculator should you use next?
Where can you learn more?
Read field notes on estimating and materials, or browse every calculator we make.
What should you read before you order materials?
Field notes from real jobs that explain the numbers behind this calculator.
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