Observed arrival · 2026-10-03
ConcreteCalculus’s concrete calculator
A calculator estimates concrete volume, bag counts, and ready-mix quantities for pours ranging from slabs and footings to posts, walls, and steps.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- DIYers estimating concrete for home projects
- Worth noticing
- It adds a default 10% extra, then rounds the order to a selectable increment such as 0.25 cubic yards.
Field notes
The workflow supports multiple parts in one project and offers US and metric measurements. Results include bag options from 40 to 90 lb, estimated loads, and a cost comparison based on prices users supply; the page also provides share, print, and save-project controls. Its calculation references include concrete product data sheets, National Ready Mixed Concrete Association materials, and a residential code section.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
One card from the complete issue