Launching soon on the App Store, for iPhone

MudMath

Calculators for concrete, gravel, block and 12 more, with your own prices.

MudMath works out how much concrete, block, brick, stone or soil a job needs, in yards, bags and tons, and it can tell you what that'll cost at your own supplier's prices. It has calculators for concrete, block, brick, gravel, asphalt, topsoil, mulch, sand, pavers, rebar, retaining walls, sod and grass seed, and it shows the formula behind every answer so you can check it yourself.

MudMath's home screen, headed 'Every material. One app. Priced out.', with a feet-and-inches or metric switch and cards for concrete, fast-setting concrete, concrete block, brick, gravel and crushed stone, and sand.
The home screen, from the app in development.

Every calculator is free

Every calculator is free, with no ads:

Pro

Pro adds your own prices on every material, saved jobs and a PDF estimate for your customer.

Where the numbers come from

Bag yields, block counts and weights come from manufacturers' data sheets and from standards bodies, and every one is cited in the app. Where nobody publishes a single trustworthy figure, as with loose gravel, whose weight changes with the quarry, the size and how wet it is, MudMath asks for the number your supplier quotes instead of guessing.

Pricing

These are the prices we plan to launch Pro at, in US dollars. The App Store shows the final price in your own currency before you buy.

MudMath Pro, planned launch prices
PlanPrice
Yearly, with a 7-day free trial$44.99 a year
Monthly$6.99 a month
Lifetime, paid once$99.99

MudMath brings up Pro only when you tap a Pro feature, and it never interrupts a calculation to sell you something.

Your data

There's no account, no ads and no tracking. Your jobs, prices, customer details and logo are stored on your iPhone, estimates and exports go only where you send them, and the only time anything you've written reaches us is when you choose to send us feedback. The privacy policy has the details.

A note on accuracy

Every result is an estimate built from the dimensions you enter and the published figures behind each material. Real sites vary, so allow for your ground and your forms, follow the manufacturer's directions, and check quantities with your supplier before you order.