How much 3"-8" River Rock do I need per 100 sq ft?

The table below shows how many tonnes of 3"-8" River Rock you need per 100 square feet at each depth. At 1 in: 0.6 tonnes per 100 sq ft; at 2 in: 1.1 tonnes per 100 sq ft; at 3 in: 1.7 tonnes per 100 sq ft; at 4 in: 2.2 tonnes per 100 sq ft; at 5 in: 2.8 tonnes per 100 sq ft. We sell 3"-8" River Rock by the whole tonne, so round up when ordering. Estimates only. Material density varies by source and moisture, so delivered quantities may differ.

3"-8" River Rock

Our 3"–8" River Rock features smooth, rounded stones shaped by natural water flow. These larger-sized stones are perfect for creating visual impact in water features, dry creek beds, garden borders, and landscape accents.

Avg. $45.50 per Metric Ton Delivered price depends on your address and quantity.

How much 3"-8" River Rock do you need?

Measure the area, choose a depth, and we will work out the quantity in the unit this material is sold by.

Shape

Rectangle Circle Triangle

Length (diameter for a circle; base for a triangle)

Width (height for a triangle; leave blank for a circle)

Depth

Estimates only. Material density varies by source and moisture, so delivered quantities may differ. We sell by the whole unit — round up when ordering.

Product Description

3"–8" River Rock

With their mix of earth tones and polished surfaces, these river rocks offer a clean, natural look that blends beautifully into any outdoor setting. They're also a great choice for controlling erosion in sloped areas or adding texture around trees and garden beds.

Product Features:

Naturally rounded stones, 3"–8" in size
Ideal for water features, drainage areas, and dry creek beds
Enhances curb appeal with natural color variation
Helps with erosion control and weed suppression
Low-maintenance and long-lasting
Available in bulk with delivery across Ontario

Whether you're designing a modern landscape or a rustic retreat, these river rocks bring natural elegance and durability to any project.

Available in

Common questions

3"-8" River Rock is a River Rock material, sold by the metric ton.

The table below shows how many tonnes of 3"-8" River Rock you need per 100 square feet at each depth.

Depth	tonnes per 100 sq ft
1 in (25 mm)	0.6
2 in (50 mm)	1.1
3 in (75 mm)	1.7
4 in (100 mm)	2.2
5 in (125 mm)	2.8

We sell 3"-8" River Rock by the whole tonne, so round up when ordering.

Estimates only. Material density varies by source and moisture, so delivered quantities may differ.

We deliver 3"-8" River Rock all across Ontario. Enter your address to check delivery to you.

Usually within 2 business days of ordering, depending on your area.

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