Free UK aggregate calculators to estimate gravel, sand, ballast, Type 1 sub-base and other aggregate materials. These tools help builders, tradespeople and DIY users calculate quantities for driveways, paths, foundations, landscaping and other construction projects.
Aggregate Calculator
Calculate the aggregate needed for your project, including volume, weight, waste allowance and bag quantities.
MOT Type 1 Calculator
Calculate how much MOT Type 1 sub-base you need from your area and compacted depth, including estimated weight and bulk-bag quantities.
Ballast Calculator
Calculate how much ballast and cement you need for a concrete project based on your area, depth and chosen mix ratio.
Sand Calculator
Calculate how much sand you need for your project, including volume, estimated weight, waste allowance and bag quantities.