Compare bagged concrete with ready-mix after project volume, waste, bag price, mixing time, mixer rental, delivery, short-load fees and labor value.
Model reviewed September 4, 2026 · Inputs stay in your browser
Decision model
The formula
Bag total = bags × bag price + bag-mixing hours × labor value + rental + other cost. Ready-mix total = yards × ready-mix rate + delivery + applicable short-load fee + placement + labor.
This tool is designed to combine assumptions that are usually split across several simpler calculators. Every real-world rate is editable.
Enter your assumptions and calculate.
The crossover is not just material price
Bagged concrete can have a higher material cost per cubic yard but still win on a tiny pour because a truck order may carry delivery or short-load fees. On larger pours, the time required to mix dozens or hundreds of bags can dominate the decision.
Use your local quotes
Ready-mix, short-load and delivery prices are local. Bag yield also varies by product size. The calculator intentionally keeps every price and coverage assumption editable.
What labor value means here
Labor value is not necessarily a payroll wage. It is the dollar value you assign to the time spent mixing and placing. Set it to zero if you want a cash-only comparison.
Why this calculator exists
There are many good single-formula calculators. This one is intentionally more complex: it helps answer a decision where several risks and costs interact. Complexity is useful only when the extra inputs change what you would do.
Spreadsheet version
Want to save or modify this model?
Use the matching Concrete Bags vs Ready-Mix Decision Google Sheets template to keep scenarios, change assumptions or extend the model.