Stone & Gravel Team 
Printable kg to stone and pounds chart covering every kilogram from 40 to 150 kg, plus a stone to kg table and the formula. Ideal for NHS records, gyms and weight tracking.
The right gravel depth for driveways, walkways, patios, decorative beds, shed pads, drainage and under slabs – with a depth chart by stone size and what happens when you get it wrong.
How much a gravel driveway costs: material per ton, delivery, base layers, labor and cost per square foot, with worked totals for a 12×50 driveway and ways to save.
Convert cubic yards to tons for gravel, crushed stone, sand, topsoil, fill dirt, mulch and more. Formula, conversion factors for 20 materials and a quick chart.
A cubic yard of gravel weighs about 2,800 lb (1.4 tons) – but it ranges from 2,600 lb for pea gravel to 3,400 lb for crusher run. Weights for every gravel type, wet and dry.
Work out how much gravel you need in cubic yards and tons for a driveway, patio, path or shed pad – with the formula, worked examples and a coverage chart.
Free calculators for gravel, crushed stone, sand, soil and paver base – tons, cubic yards, bags and cost from real supplier densities, in US or metric units. Plus kg ⇄ stone converters.