If you’ve ever stood halfway through a paving project wondering “Have I ordered enough grout?”, you’re definitely not alone.
Working out how many bags of paving grout or bedding mortar you’ll need isn’t always straightforward. Different slab sizes, joint widths and joint depths all make a big difference. That’s exactly why we built our Product Calculator — to take the guesswork (and the maths) out of planning your paving project.
A pallet of Flowpoint paving grout — use our calculator to estimate how many bags you’ll need for your project.
What Is Our Paving Grout & Mortar Calculator?
Our product calculator is a simple online tool that helps you calculate material coverage and bag quantities for your project. It’s designed specifically for paving products, including Flowpoint Paving Grout, so you can rely on the results.
Instead of guessing or ordering extra bags “just in case”, the calculator gives you a quick estimate in seconds – helping you plan properly and reduce unnecessary waste.
What Do You Need to Use the Calculator?
Good news: you don’t need to be a numbers person.
All the calculator asks for is:
- Total area in square metres
- Paving slab size (length and width)
- Joint width
- Joint depth
Enter these details and the calculator instantly works out material coverage — including the number of bags of paving grout or bedding mortar required for your project.
Simply select the product you’re buying and use the built-in calculator near the top of that product's page to confirm quantities before ordering.
Find your chosen product on our website. Near the top of the product page you’ll see the built-in calculator, helping you quickly work out the right quantity of paving supplies for your project.
Find the Right Product & Check Quantities
Select a product below to view coverage details and confirm quantities using the on-page calculator.
Shop for Paving Grouts & Primers
Shop for Bedding Mortars & Rapid Set Concrete
Easy-to-use, in-built product calculators are also available on our website for:
Shop for Paving Sealers & Grout Cleaners
Shop for Tarmac & Pothole Repair Mixes
Why Use a Grout Calculator Instead of Second Guessing?
Every paving job is different. A patio with large-format slabs will use a very different amount of grout compared to smaller paving with wider joints. That’s why rough estimates can quickly go wrong.
Using our paving material calculator helps you:
- Order the correct number of bags first time
- Avoid running out of grout mid-job
- Reduce waste and save money
- Plan your project with confidence
It’s especially helpful if you’re pricing up a job or ordering materials online and want to be confident your quantities are accurate.
Ideal for Trade and DIY Projects
Whether you’re a professional landscaper or tackling a DIY patio at home, our product calculator makes life easier.
Trade users can quickly calculate quantities for quotes and project planning.
DIYers can order materials with confidence, even if it’s their first paving project.
No complicated formulas – just clear, reliable results.
Try the Product Calculator Before You Order
Before placing your order, browse our paving grouts or bedding mortars and use the built-in calculator on each product page to check quantities for your project.
Less guesswork, less waste and better paving results – just one of the many little extras you get when you order from a small, family-run business.
