How much paint do I need? Good question. Driveway Sealers offer a tool that will save you time and money when planning out a new project. Forget estimating and guessing how much paint you might need to cover a Driveway – get the measurements and put them into our online paint calculator! Measure the dimensions and how many coats you plan on doing – and our calculator will approximately calculate how many litres is required for the job! Minimize costs and improve efficiency – Driveway Sealers is the solution.