Engineering

Flow, loads, sizing, and applied unit calculations

Engineering solvers from AI-Math are free online engineering calculators and homework helpers covering flow, loads, sizing, and applied unit calculations. Type a problem or upload an image and the AI returns a clear, step-by-step solution — perfect for engineering homework, exam prep, or self-study from middle school through college. No signup needed; pick a specific topic below to launch its dedicated solver.

Beam Span Calculator

Work out beam span, bending moment, required section modulus and deflection step by step for steel, LVL and sawn timber beams. Free beam span calculator from AI-Math.

Flow Rate Calculator

Calculate volumetric flow rate, pipe velocity and mass flow step by step with Q = Av. Free flow rate calculator with unit conversion for water and other fluids.

Generator Size Calculator

Tally running and starting watts, convert between kW, kVA and amps, and size a home standby or portable generator step by step. Free generator sizing calculator from AI-Math.

Heating BTU Calculator

Estimate heating BTU with step-by-step working. Covers Q = mcΔT, BTU per square foot estimates, kW to BTU/h conversion and boiler or furnace sizing.

Orifice Flow Calculator

Solve the orifice equation step by step. Compute flow through an orifice plate from differential pressure, size an orifice bore, and find the pressure drop.