Science cluster
Materials & Structural Engineering Calculators
Analyze stress, strain, beams, fasteners, and mechanical advantage, and size structural and manufactured parts.
Top calculators
A short starting set for the most common materials & structural engineering calculators workflows.
Bolt Shear Capacity Calculator (AISC-Style) | Nominal & Design Strength
Calculate nominal bolt shear strength Vn and design shear strength φVn from bolt diameter, ultimate tensile strength, number of shear planes, and whether threads are in the shear plane. Includes formulas, assumptions, a worked example, practical design notes, and an optional bolt-alignment mini-game.
Conveyor Belt Tension Calculator - Effective Tension & Drive Power
Estimate conveyor belt effective tension, tight-side force, and drive power from belt length, speed, load rate, belt weight, lift height, and wrap angle.
Concrete Beam Shear Capacity Calculator (ACI 318 Vc + Vs)
Work out reinforced concrete beam shear capacity to ACI 318-19: concrete term Vc, stirrup term Vs, nominal Vn and design strength phi-Vn, plus spacing checks.
3D Print Filament Length, Mass, and Spool Usage Calculator
Estimate 3D printing filament length, mass, and the share of a spool required from model volume, material density, and filament diameter.
Alloy Hardness Converter: Brinell, Vickers, Rockwell B and C
Convert metal hardness between Brinell, Vickers, Rockwell B, and Rockwell C, see all scales at once on an aligned gauge, and check the ASTM E140 caveats.
Excavator Production Rate Calculator - Loose, Bank & Tonnes per Hour
Calculate excavator loose volume, bank volume, and hourly tonnage from bucket capacity, cycle time, job efficiency, swell factor, and material density.
Tractor PTO Horsepower Calculator - Engine HP, Torque and RPM
Convert engine HP to PTO horsepower, size a tractor for a target PTO load, and get PTO shaft torque at 540 or 1000 rpm from hp = torque x rpm / 5252.
Metric Rebar Development Length Calculator for Tension Anchorage
Estimate straight rebar tension development length from bar diameter, steel and concrete strength, top-bar, and epoxy using the simplified ACI 318-19 method.
All calculators in this cluster
Browse 28 calculators matched to this topic, or return to the Science category.
3D Print Filament Length, Mass, and Spool Usage Calculator
Estimate 3D printing filament length, mass, and the share of a spool required from model volume, material density, and filament diameter.
3D Printed Part Porosity Strength & Failure Risk Calculator
Estimate how porosity, infill, and build orientation change the tensile strength of a 3D printed part and compare the result with the strength you need.
Accessible Ramp Retrofit Prioritization Planner | Estimate ramp length, crew-days, and funding gap
Plan accessible ramp retrofits by estimating ramp length, crew-days, volunteer hours, project cost, and budget gap for each entrance.
Alloy Hardness Converter: Brinell, Vickers, Rockwell B and C
Convert metal hardness between Brinell, Vickers, Rockwell B, and Rockwell C, see all scales at once on an aligned gauge, and check the ASTM E140 caveats.
Anchor Bolt Pullout Capacity Calculator | Concrete
Estimate nominal and design pullout strength for a cast-in-place anchor bolt using diameter, embedment, concrete strength, and strength reduction factor.
Archard Wear Rate Calculator | Estimate Sliding Wear Volume from Load and Distance
Estimate wear volume and wear rate for sliding contacts with the Archard equation using wear coefficient, normal load, sliding distance, and hardness. Includes input guidance, a worked example, limitations, and a mini-game.
Blacksmith Forge Heat Treatment Calculator - Steel Quenching and Tempering
Calculate optimal heat treatment temperatures, soak times, and quenching parameters for different steel alloys used in blacksmithing and bladesmithing.
Blown Glass Annealing Schedule Calculator | Soak and Cooling Estimates
Estimate a kiln annealing schedule for blown glass, including soak time and cooling stages from thickness, annealing point, strain point, and CTE.
Bolt Shear Capacity Calculator (AISC-Style) | Nominal & Design Strength
Calculate nominal bolt shear strength Vn and design shear strength φVn from bolt diameter, ultimate tensile strength, number of shear planes, and whether threads are in the shear plane. Includes formulas, assumptions, a worked example, practical design notes, and an optional bolt-alignment mini-game.
Chromatography Retention Factor Calculator | k' from Retention and Dead Time
Calculate chromatography retention factor (k') from retention and dead time to gauge how strongly an analyte is held on the column.
Composite Fiber Volume Fraction Calculator from Mass and Density
Estimate composite fiber volume fraction from fiber and resin masses plus densities, with exact volume calculations, worked examples, and laminate guidance.
Concrete Beam Shear Capacity Calculator (ACI 318 Vc + Vs)
Work out reinforced concrete beam shear capacity to ACI 318-19: concrete term Vc, stirrup term Vs, nominal Vn and design strength phi-Vn, plus spacing checks.
Concrete Formwork Pressure Calculator - Lateral Load Estimate
Estimate fresh concrete lateral pressure on wall and column formwork from pour height, unit weight, placement rate, temperature, and slump. Simplified educational model.
Conveyor Belt Tension Calculator - Effective Tension & Drive Power
Estimate conveyor belt effective tension, tight-side force, and drive power from belt length, speed, load rate, belt weight, lift height, and wrap angle.
Crane Lift Capacity Calculator | Moment, Radius, and Outrigger Check
Estimate crane lift moment from load weight and radius, compare it with rated capacity, and get a rough front outrigger reaction for early lift planning.
Crowd Density Safety Calculator | Standing Density & Exits
Estimate standing density, seating impact, target capacity, exit load, and simplified clearance time for mixed crowd layouts.
Excavator Production Rate Calculator - Loose, Bank & Tonnes per Hour
Calculate excavator loose volume, bank volume, and hourly tonnage from bucket capacity, cycle time, job efficiency, swell factor, and material density.
Laundry Detergent Dosage Calculator | mL per Load, HE and Hard Water
Work out how much laundry detergent a load needs from its weight, soil level, USGS water hardness class, washer type and the concentration printed on the bottle.
Lever Mechanical Advantage Calculator | Effort Force from Arm Lengths
Calculate a lever's mechanical advantage from the load force, load arm, and effort arm, and estimate the effort needed to balance the lever.
Metric Rebar Development Length Calculator for Tension Anchorage
Estimate straight rebar tension development length from bar diameter, steel and concrete strength, top-bar, and epoxy using the simplified ACI 318-19 method.
Occupational Heat Work-Rest Cycle Planner | Estimated WBGT Schedule
Estimate site WBGT from temperature, humidity, radiant load, and air movement, then plan crew work-rest cycles and hourly water needs for occupational heat exposure.
Rebar Spacing Calculator for Center-to-Center Reinforcement Layouts
Estimate center-to-center rebar spacing from bar diameter and required steel area per meter for slabs, walls, beams, and footings.
Scaffold Bay Live-Load Limit Calculator | Leg and Plank Check
Calculate a rectangular scaffold bay’s allowable uniformly distributed live load from four-leg capacity, simultaneously loaded levels, bay area, and platform rating.
Shallow Foundation Bearing Capacity Calculator (Terzaghi to Vesic)
Ultimate and allowable bearing capacity of spread footings using FHWA and AASHTO factors, with Terzaghi, Meyerhof, Hansen and Vesic compared side by side.
Thermal Stress Calculator for Fully Restrained Members | Solve σ, E, α, or ΔT
Estimate thermal stress in a fully restrained member, or solve for Young’s modulus, thermal expansion coefficient, or temperature change with σ = E·α·ΔT.
Torque Calculator - Force, Lever Arm and Angle
Calculate torque from force, lever arm length, and angle in degrees. Enter F, r, and θ to get torque in newton‑meters, with formula, worked examples, and eng...
Tractor PTO Horsepower Calculator - Engine HP, Torque and RPM
Convert engine HP to PTO horsepower, size a tractor for a target PTO load, and get PTO shaft torque at 540 or 1000 rpm from hp = torque x rpm / 5252.
Wheel and Axle Mechanical Advantage & Effort Force Calculator
Calculate ideal wheel-and-axle mechanical advantage from wheel and axle radii, then find the rim effort force required for a specified axle load.