Sakrete bag estimator and cost planner
Sakrete Calculator
Answer first: calculate Sakrete bags, cubic yards, and cost from slab dimensions or a known volume. Compare bagged Sakrete with ready-mix delivery, check waste, and quote totals before buying.
10 ft x 10 ft x 4 in slab
about 56 bags of Sakrete
At 0.6 ft3 per 80 lb bag with 10% waste. Adjust bag yield to match your Sakrete mix.
1 cubic yard
about 45 bags at 0.6 ft3
Sakrete 80 lb bags cover 0.6 ft3 each. Check the bag label for your exact yield.
Calculate Sakrete bags, yards, and cost
Enter slab dimensions. Compare Sakrete bags with ready-mix delivery.
Volume
1.36 yd3
Sakrete bags
62
Ready-mix cost
$367
Bagged cost
$310
Interactive workflow
Run the numbers, then save or export the project
Save this estimate or download a PDF report
The PDF report uses the current calculated result. Save the estimate first when you want to reuse the inputs later.
What ordinary Sakrete calculators miss
The useful result is the waste factor, cost per yard, and delivery comparison.
| Benchmark says | Replace with local input | Next check |
|---|---|---|
| Fixed bag size | Adjust bag yield to match 80 lb, 60 lb, or other Sakrete mixes. | Check the bag label for cubic feet per bag. |
| Ignores waste | Add a waste factor for real pour conditions. | Use 5% for clean forms, 10% for typical pours. |
| No cost comparison | Compare Sakrete bag cost with ready-mix delivery side by side. | Order the cheaper path after confirming local prices. |
Sakrete ordering checklist
Use these checks before buying or ordering Sakrete.
| Signal to check | What it means | Next step |
|---|---|---|
| Bag size and yield | The bag yield matches the Sakrete mix and bag size. | Sakrete 80 lb bags yield 0.6 ft3; 60 lb bags yield 0.45 ft3. |
| Waste factor | The waste percentage matches site conditions. | Increase waste for uneven ground or complex shapes. |
| Bags vs ready-mix | Compare bag cost with ready-mix for the same volume. | For pours over 1-2 yards, ready-mix is often cheaper. |
| Storage and mixing | You have space to store bags, mix water, and place the pour. | Plan mixing time and labor for bagged pours. |
Related concrete planning tools
Move from a single calculation into a purchase, proposal, or pour-day decision with connected calculators and checklists.
How many Sakrete bags do I need?
Enter your slab length, width, and thickness. The calculator adds waste and divides by the bag yield (0.6 ft3 for 80 lb Sakrete) to show the bag count.
How many Sakrete bags are in a cubic yard?
At 0.6 cubic feet per 80 lb bag, one cubic yard (27 ft3) takes about 45 Sakrete bags. Adjust the bag yield for 60 lb or other sizes.
Should I use Sakrete bags or ready-mix?
For small pours under 1-2 yards, Sakrete bags can be cheaper after delivery fees. For larger pours, ready-mix is usually cheaper per yard.
Can I use this for a Sakrete slab?
Yes. Enter the slab dimensions and the calculator estimates Sakrete bag count, yardage, and cost.
Planning disclaimer
This calculator provides planning estimates. Sakrete is a registered trademark; this page is not affiliated with or endorsed by Sakrete. Confirm actual bag yields, prices, and availability with your supplier.