Construction Estimation Suite
Concrete Calculators
Select a tool below to calculate volume, bag counts, and material costs. Engineered for accuracy and ACI-318 compliance.
Slab & Square Pour
Calculate volume for rectangular forms. Ideal for driveways, patios, sidewalks, garage floors, and shed foundations.
- Calculate Cubic Yards & Bags
- Total Weight Estimate
ID: CALC_SLAB
Launch Tool
Sonotube & Post
Calculate volume for cylindrical forms. Perfect for fence posts, deck footings, piers, and Sonotube fills.
- Radius & Depth Logic
- Multiple Post Quantity
ID: CALC_ROUND
Launch Tool
Common Projects
Choose the right calculator for your specific job.
Driveways & Patios
Use the Slab Calculator. Standard thickness is 4" for patios and 5-6" for driveways holding vehicles.
Use Slab ToolFence Posts
Use the Post Calculator. Enter the hole diameter (not the post size) and depth to get bag counts per hole.
Use Post ToolDeck Footings
Use the Post Calculator. Ideal for Sonotube forms. Remember to calculate based on the tube's inner diameter.
Use Post Tool