Engineering Calculators

Mechanical, electrical, structural, and civil engineering tools.

16 calculators

Commercial Steel Door Configurator

Commercial Steel Door Configurator

Hollow-metal door configurator: single or pair, gauge, core, vision lites and hardware — hinge counts by height rule, conditional panic bars, live 3D, and a table-driven price.

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Hydraulic Cylinder Configurator v1.2

Hydraulic Cylinder Configurator v1.2

Engineer-to-order hydraulic cylinder: bore, stroke and pressure drive rod buckling, wall thickness and seal selection — and the mounting style physically reconfigures the 3D model. (v1.2: real mass-based costing — quote model on page 2, margin health indicator, costed BOM quote sheet)

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Keltec Filtration Configurator

Keltec Filtration Configurator

Compressed-air filtration on KELTEC Technolab published data: train sizing with pressure correction and smallest-fit housing selection, plus a custom air-oil separator spec builder with live 3D and nearest-standard-part match.

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Conveyor Section Designer v1.2

Conveyor Section Designer v1.2

One complete belt conveyor section — rollers auto-place per pitch, the IEC motor is selected live, and the 3D scene rebuilds as you stretch it. (v1.2: belt+idler mass, cos δ, acceleration term, service-factor motor sizing, two-sided utilization)

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Conveyor Section Designer v1.1

Conveyor Section Designer v1.1

One complete belt conveyor section — rollers auto-place per pitch, the IEC motor is selected live, and the 3D scene rebuilds as you stretch it. (v1.1: stringers centered under the belt)

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Conveyor Section Designer

Conveyor Section Designer

One complete belt conveyor section — rollers auto-place per pitch, the IEC motor is selected live, and the 3D scene rebuilds as you stretch it.

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Ladder v2

Ladder v2

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Conveyor System Builder

Conveyor System Builder

Assemble a belt conveyor from sections — per-section belt pull, live totals, and automatic motor selection from the IEC ladder.

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Beam Deflection Calculator

Beam Deflection Calculator

Structural engineering calculator for beam deflection and bending stress analysis with material properties

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Shaft Speed Calculator

Shaft Speed Calculator

Calculate shaft surface speeds for high-speed machining in both metric and imperial units

shaftmachiningsurface speed
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Gear Train Design Calculator

Gear Train Design Calculator

Design calculator for a 3-gear compound gear train optimizing dimensions, tooth count, and performance for given ratio and input torque

gearmechanicaltorque
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Energy Conversion Calculator

Energy Conversion Calculator

Convert between different energy units using scientific conversion factors

energyunit conversionjoules
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Compressed Air Filtration System Designer

Compressed Air Filtration System Designer

Industrial filtration system design tool for sizing components, calculating quantities, and generating cost proposals

filtrationcompressed airindustrial
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ASME Pressure Vessel Calculator

ASME Pressure Vessel Calculator

Calculate wall thickness, stress verification, and MAWP for cylindrical pressure vessels per ASME BPVC Section VIII Division 1

pressure vesselASMEBPVC
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HVAC Duct Sizing Calculator

HVAC Duct Sizing Calculator

Size residential and light commercial HVAC ducts using the Equal Friction Method per ACCA Manual D

hvacductairflow
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Building Engineer

Complete building engineering calculator. Enter room dimensions to auto-size HVAC, electrical, and lighting systems with full cost estimation.

buildingHVACelectrical
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