Construction Calculators
4 tools- Concrete Calculator
Free online concrete calculator. Calculate cubic yards, cubic meters, and number of 60lb/80lb bags needed for slabs, footings, and columns.
- Rebar Calculator
Free online rebar calculator. Calculate linear feet of rebar, number of standard bars, and weight for concrete slabs. Supports #3 through #8 rebar sizes.
- Concrete Mix Designer
Concrete Mix Designer — Calculate concrete mix designs for structural concrete. Select standard nominal grades (C10 to C40) or input custom design ratio...
- Moment Resistance Calculator
Free online moment resistance calculator for reinforced concrete slabs. Calculate ultimate design moment resistance (Mu) using rebar size, spacing.