Mulch Calculator & Estimator (Cubic Yards vs. 2 cu ft Bags)

Calculate how many cubic yards or 2 cu ft / 3 cu ft bags of mulch you need for flower beds, tree rings, and playground areas — with direct bulk delivery vs. bagged store price comparison.

Presets:

1. Material Grade & Project Dimensions

Area: 140.0 sq ft (13.01 m²) Net Vol: 1.30 cu yd (0.99 m³)
Area: 105.0 sq ft (9.75 m²) Net Vol: 0.97 cu yd (0.74 m³)
Area: 53.0 sq ft (4.93 m²) Net Vol: 0.49 cu yd (0.38 m³)

2. Material Takeoff, Blueprint & Cost

CAD FIELD BLUEPRINT (LIVE) BUILDCALC
Isometric 3D Layer Blueprint (3 Zones) L: 28.0 ft W: 5.0 ft D: 3.0 in 3 ZONES COMBINED VOLUME & MASS 2.90 cu yd 2.22 m³ · 78.2 ft³ 0.98 US tons 0.89 t · 1,956 lbs Area: 298.0 sq ft Waste: +5% (25 lb/ft³)
Total Mulch Volume Needed 2.90 cu yd (2.22 m³) 78.2 cu ft · 40 × 2-cu-ft bags
2 cu ft Standard Mulch Bags
40 bags
13.5 bags per cubic yard
3 cu ft Contractor Bags
27 bags
9.0 bags per cubic yard
Total Garden Bed Area
298.0 sq ft
27.7 m² (+5% waste)
Estimated Weight & Hauling
1,956 lbs
0.98 US tons · 2 pickup load(s)
Cost Comparison: Bulk Delivery vs. 2 cu ft Bags Bagged Mulch saves $15
Bulk Mulch Delivery (2.90 yd³ incl. $75 delivery) $214
40 × 2 cu ft Store Bags $199
Show Step-by-Step Formula & Takeoff Math
Bed Area = 298.01 sq ft (27.69 m²) Volume (+5% waste) = 78.23 cu ft ÷ 27 = 2.90 cu yd 2 cu ft Bags = ceil(78.23 ÷ 2) = 40 bags

Mulch Bags per Cubic Yard & Recommended Depth Guide

Material / ApplicationStandard Spec / DepthCoverage / WeightField Note
1 Cubic Yard (27 cu ft / 765 L)13.5 bags (2 cu ft) · 9 bags (3 cu ft)Covers 162 sq ft @ 2" · 108 sq ft @ 3"Standard bulk loader scoop
Annual Top-Off / Refresh1.5 – 2 inches (4 – 5 cm)8.5 bags (2 cu ft) per 100 sq ftRestores color without suffocating roots
New Flower & Shrub Beds3 inches (7 – 8 cm)12.5 bags (2 cu ft) per 100 sq ftOptimal moisture & weed suppression
Coarse Pine Bark Nuggets / Pathways3.5 – 4 inches (9 – 10 cm)17 bags (2 cu ft) per 100 sq ftPrevents sunlight reaching weed seeds
Playground Fall-Zone (Rubber / Wood Chips)6 inches (15 cm)25 bags (2 cu ft) per 100 sq ftASTM impact cushioning standard

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Frequently Asked Questions & Field Guide

How many 2 cu ft bags of mulch equal 1 cubic yard?

Because 1 cubic yard equals 27 cubic feet, it takes exactly 13.5 bags of 2-cubic-foot mulch (round up to 14 bags) or 9 bags of 3-cubic-foot mulch to equal 1 cubic yard.

How deep should mulch be laid around trees and flower beds?

For new beds, lay 3 inches of shredded mulch (or 4 inches of coarse bark nuggets). For annual refreshing over existing mulch, 1.5 to 2 inches is ideal. Always leave a 3–6 inch mulch-free ring directly around tree trunks ("donut, not volcano") to prevent bark rot.