FreeConcreteCalc vs Quikrete Calculator
An honest, feature-by-feature comparison between FreeConcreteCalc and Quikrete's official concrete calculator. Both are free — here's how they stack up.
| Feature | FreeConcreteCalc | Quikrete |
|---|---|---|
| Project Types | 8 (slab, footing, post hole, wall, column, stairs, curb, square post) | 3 (slab, tube, column) |
| Multi-Zone | ✅ Unlimited zones, mix types | ❌ Single calculation only |
| Bag Counts | ✅ 60lb + 80lb simultaneously | ✅ Shows Quikrete-specific bags |
| Waste Factor | ✅ Adjustable 5-20% | ❌ No waste factor |
| Mix Type Selector | ✅ 4 types (standard, high-strength, crack-resistant, fast-setting) | ✅ Quikrete product-specific |
| Cost Estimator | ✅ Custom price input | ❌ No cost feature |
| Rebar Estimator | ✅ Auto-calculates for slabs | ❌ Not included |
| Weight Output | ✅ lbs + tons | ❌ Volume only |
| Ready-Mix Alert | ✅ Recommends truck at 1+ yd | ❌ Bags only (brand interest) |
| Share Link | ✅ URL with all inputs | ❌ No sharing |
| Print Receipt | ✅ Clean shopping list | ❌ Not available |
| Dark Mode | ✅ | ❌ |
| Mobile UX | ✅ Mobile-first design | ⚠️ Functional but dated |
| Ads | Minimal, non-intrusive | Brand-focused (Quikrete products only) |
| Bias | Brand-neutral (any bag brand) | Quikrete-only recommendations |
When to Use Quikrete's Calculator
Quikrete's tool is best if you've already decided to buy Quikrete-brand products specifically and want to know which of their SKUs to choose. It's designed to sell their products, so it recommends specific Quikrete bags by name.
When to Use FreeConcreteCalc
FreeConcreteCalc is better for the planning phase — when you need to know total volume, compare bag sizes across any brand, estimate cost, and handle complex projects with multiple pours. It's brand-neutral, so the results work whether you buy Quikrete, Sakrete, or order ready-mix.
Try it yourself:
Open FreeConcreteCalc →