Asphalt quantity & cost
Estimate tonnage from area and thickness. Work in metric or US units and enter your own material price.
Open calculator →Civil engineering · learning & tools
Civil engineering,
made practical.
Clear explanations, exam practice and useful calculators. For students, engineers and everyday projects.
Learn a concept. Solve a question. Work out a quantity.
Practical tools for civil engineering
Calculate quantities, estimate costs and simplify everyday engineering tasks.
Gravel quantity & truckloads
Work out volume, weight and delivery loads for a driveway or another gravel project.
Open calculator →Pedestrian crossing time
See how road width and walking speed affect pedestrian green time, with an IRC worked example.
Open calculator →Understand the why.
Build your fundamentals with explanations, diagrams and examples across civil engineering.
Turn understanding into exam practice.
Read an explanation, try previous-year questions, then check the worked solution. Keep practising the subjects you find difficult.
