Trash Bin Volume Calculator for Gardening

Plan leaf, mulch, and soil pickups with confidence. Compare bin shapes before your next haul. Estimate usable space, packed loads, and lifting weight safely.

Pick the closest shape for your bin.
All size inputs use this unit.
100% means brim-full; 85% reduces spills.
1.00 = loose. 1.50 = packed tighter.
Used only for weight estimate.
Reset

Formula Used

  • Rectangular: V = L × W × H
  • Cylindrical: V = π × r² × H with r = D/2
  • Tapered (Frustum): V = (π × H / 12) × (D₁² + D₁D₂ + D₂²)
  • Usable volume: Vᵤ = V × (Fill%/100) ÷ Compaction
  • Weight estimate: kg = Vᵤ(m³) × Density(kg/m³)

How to Use This Calculator

  1. Pick the bin shape that matches your container.
  2. Select your measurement unit and enter dimensions.
  3. Set fill level to avoid overflow during transport.
  4. Use compaction for packed leaves or wet clippings.
  5. Choose a density preset to estimate lifting weight.
  6. Press calculate, then export CSV or PDF results.

Example Data Table

Bin Type Dimensions Approx. Capacity Typical Garden Use
Rectangular tote 60 × 40 × 35 cm 84 L Tools, weeds, small clippings
Cylindrical can 45 cm diameter × 70 cm height 111 L Leaves, grass, compostables
Tapered bin Top 48 cm, bottom 38 cm, height 65 cm 99 L Mixed yard waste, mulch hauling
Large cart bin 75 × 55 × 105 cm 433 L Weekly curbside garden waste

Capacities are approximate and depend on internal shape and rim design.

Bin volume in garden workflow planning

Knowing container volume helps schedule pruning, leaf collection, and compost transfers. A 120 L bin typically holds one to two shrub trimmings from a small border, while 240–360 L suits weekly yard waste from medium lawns. When loads are wetter, usable capacity drops because water increases mass and reduces void space. Use the fill level slider to model realistic, spill-free transport. Many municipal green carts are 240 L; at 85% fill, usable space is about 204 L before compaction, helping estimate trips for weekend cleanup.

Shape selection and measurement accuracy

Most curbside carts behave like rectangular volumes, but interior ribs and wheel wells reduce space. Round cans align with the cylindrical option, while tapered bins match the frustum model. Measure internal dimensions, not outside walls, and record height to the practical rim. Switching units does not change results because values are converted to meters before calculation.

Compaction factor and material behavior

Garden materials compress differently. Dry leaves trap air and compact strongly, often needing a factor around 1.3–2.0 when tamped. Grass clippings and compost settle under their own weight, commonly 1.1–1.5. If you bag waste after filling, use a higher compaction factor to avoid overestimating usable volume. The calculator applies compaction after fill level, reflecting packed loads.

Weight estimate for safe lifting and transport

Weight is estimated using kg = usable m³ × density. Typical densities range from about 120 kg/m³ for dry leaves to 1200 kg/m³ for garden soil. For example, 90 L of wet clippings near 350 kg/m³ weighs about 31.5 kg. Use this estimate to choose carts, avoid strain, and match vehicle load limits.

Using exports for repeat jobs and records

CSV exports store inputs and outputs for quick comparisons between bins, seasons, and crew labor time. This is useful when planning recurring tasks like compost turning, mulch hauling, or neighborhood cleanup days. PDF exports provide a clean snapshot for crews and clients, including shape, units, fill level, compaction, total capacity, usable capacity, and estimated weight.

FAQs

1) Should I measure inside or outside bin dimensions?

Measure the internal space. Wall thickness, ribs, and wheel wells reduce capacity. Internal measurements produce the most reliable usable volume estimate for real garden loads.

2) What fill level should I use for transport?

Use 80–90% for hand carrying or vehicle transport to reduce spills. Use 100% only when the bin will stay stationary or has a secure lid.

3) How do I choose a compaction factor?

Start at 1.0 for loose filling. Use 1.2–1.5 for settled clippings or compost. Use 1.6–2.0 if you tamp leaves or compress material to fit more.

4) Why does my bin feel smaller than the calculated total volume?

Interior obstructions, tapered sides, rounded corners, or a recessed lid area reduce real capacity. Measuring internal dimensions and selecting the tapered option usually narrows the gap.

5) Are density presets exact for every garden material?

No. Density varies with moisture and particle size. Presets provide practical planning values. For best results, weigh a known container volume once and update the custom density.

6) Can I compare multiple bins for a cleanup project?

Yes. Run the calculator for each bin and export CSV files. Compare usable liters and estimated weight to decide how many trips and how many containers you need.

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