A collection of useful calculators for roofers and project planners.
Welcome to our information hub geared towards both professional roofers and those looking to undertake any roofing projects on their home or workplace.
Covering both the UK and the US, you'll find a number of helpful articles including interactive online calculators to help with all aspects of roof work. You'll also discover how to get average roof costs and free roofing quotes from local roofers for less.
Feel free to look around, and get in touch with the team if you have any further questions about our site.
The articles below are currently the most popular in the UK. If you're looking for something else, visit the complete UK Roofing Calculators list.
Work out the area of your flat, hipped or gable shed roof.
Straight gable and hipped roof surface area calculations.
Calculate your slope angle, ratio, percentage and length.
Calculate the correct number of vents and centres.
Ensure your guttering can cope with the rainfall intensity.
Calculate slate tile amount, battens and holing gauge.
These are the most popular US articles on our site to date. If these aren't what you're looking for, visit the full US Roofing Calculators list for more options.
Get accurate rafter dimensions for your new roof trusses.
Measure the amount of rainfall your roof can harvest.
Calculate your slope angle, ratio, percentage and length.
Calculate the number of solar panels that fit on your roof.
Calculate the number of plywood or OSB sheets for your deck.
Calculate the number of trusses your roof will need (plus costs).
Last Call for Roofing Projects
With winter on the horizon, October is your last call for major roofing projects. Calculate the costs of any last-minute repairs or replacements to ensure your home is snug and secure before the cold sets in.