This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.






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Looking for free rebar calculator apps? 14 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (634) | Yes | No | Sep 2026 | ||
| 2 | Free | 1.0★ (1) | No | Yes | Sep 2026 | ||
| 3 | $1.99 | 4.7★ (13) | No | No | Aug 2026 | ||
| 4 | Free | — | No | Yes | Sep 2026 | ||
| 5 | Free | 4.8★ (21K) | Yes | No | Oct 2026 | ||
| 6 | Free | — | No | Yes | Aug 2026 | ||
| 7 | $4.99 | — | No | No | May 2026 | ||
| 8 | Free | — | No | No | Jul 2026 |






This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.






This utility app quickly calculates the total length and number of rebar pieces needed for a slab. It supports real-time conversions between imperial and metric units for various measurements like slab dimensions, grid spacing, and edge clearance.





Quickly calculate the number of rebars needed for concrete slab reinforcement. Input slab dimensions and rebar spacing for accurate grid layout. Supports both imperial and metric units, with results easily shareable via text or email.