Why it exists
Most material calculators turn a formula into a number. That number is often missing something you only discover at the store or halfway through the job: the edge that needed restraint, the gate that added two posts, the tree ring you didn’t subtract, the bag that yields less than you thought. How Much to DIY tries to turn measurements into a plan you can actually buy and build from.
How it works
- You enter what you know. Anything you haven’t decided stays visibly pending instead of being filled in with a guess.
- Every result shows its working, with your numbers, next to a drawing of your project.
- Construction guidance is sourced and its scope is stated. See how we calculate.
- Projects are saved in your browser, with no account, so you can come back to them.
Who it’s for
Homeowners planning their own projects, first of all, and anyone who wants a quick, checkable materials estimate. The calculators work in US customary and metric units.
What it isn’t
It isn’t engineering, building-code, or legal advice, and it doesn’t replace your manufacturer’s installation instructions or your local building department. Where local rules matter, such as permits, frost depth and setbacks, we say so rather than guess.
Independence and funding
How Much to DIY is an independent website. It isn’t affiliated with any retailer or manufacturer, and it doesn’t accept payment to recommend products. Where a manufacturer is named, it’s as a cited source for a published figure. If we add advertising in future, ads will be clearly labelled and kept away from calculator inputs and results, and the privacy policy will be updated first.
Corrections
If you think a calculation or a statement is wrong, please tell us at hello@howmuchtodiy.com. We fix confirmed errors and add a test so they don’t come back.