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Concrete Pro 1.0.1 - A new unlock screen that shows the price from Google Play, with Restore purchase, Terms and Privacy - Restore purchase is also in Settings - The app starts in Spanish when your phone is set to Spanish - More from Plumb: our other field tools, listed in Settings
Concrete calculator: yards, bags, rebar, block & mix order. Works offline.
THE TRUCK COMES ONCE. Concrete is the one material you cannot walk back. Order eight yards for a ten-yard slab and the day is gone. Order twelve and you have paid for four yards of driveway nobody wanted. This app is the arithmetic between those two mistakes. Eight calculators, arranged in the order the work actually happens. SIZE THE POUR Yardage takes a slab, a footing, or a cylindrical pier in feet and inches and returns cubic yards and 80 lb bag counts, with an overage percentage when you want the cushion. Bag vs. Bulk turns those yards into real bag counts across 40, 50, 60 and 80 lb yields, tells you how many pallets that comes to, and says plainly when you have crossed into ready-mix territory. Base / Gravel sizes the sub-base underneath, in yards and in tons. LAY THE STEEL Reinforcement builds a rebar grid at 12, 16 or 24 inches on center and returns total linear feet plus the number of 20-foot sticks — with the lap splice already folded in at 40 bar diameters, for #3 through #6. Switch it to welded wire and it sizes the sheets instead. Masonry takes gross wall area minus openings and returns block or brick count, mortar bags, masonry sand, and grout for filled cells at full, 24, 32 or 48 inches on center. FINISH THE SLAB Slope & Drop gives the total fall across a run at your pitch, for flatwork that has to drain. Joints gives maximum control-joint spacing and saw-cut depth from the slab thickness, so the slab cracks where you told it to. PLACE THE ORDER Mix Order assembles compressive strength, slump, aggregate size, air content, hot- and cold-weather admixture and fiber into a single dispatch line you can send to the plant as a text message. WHAT HAPPENS TO THE NUMBERS Takeoffs land in a ledger on the phone. Roll a set of them into one project yardage total. Put your business name and logo on a PDF or PNG when you have to hand something to a GC or an inspector. Nothing syncs, nothing phones home, nothing needs a signal — it works in a bare shell with no bars. ON A TABLET The stage list and the working calculator sit side by side, so the whole pour stays in view while you take off one piece of it. Built in English and Spanish, exports included. Imperial units: feet, inches, cubic yards, pounds. The first 14 days are free with every tool open. After that, one purchase unlocks it permanently. It is not a subscription. These are field takeoff numbers. Mix design, structural steel, and anything load-bearing belong to your engineer, your ready-mix supplier, and the code official with jurisdiction. Confirm them there before you place an order.