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Mechanical Engineering Calculators — ISO/DIN/VDI Referenced

Mechanical engineering calculators

Leave Excel Behind. Traceable Mechanical Calculations Based on Standards.

Deterministic mechanical calculation flows with ISO/DIN/VDI references, visible formulas, and explicit assumptions.

Review formula breakdowns, unit checks, and report-ready outputs in one mechanical calculation flow.

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Visible formulas and assumptions
ISO/DIN/VDI referenced
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Why teams switch

Replace spreadsheet guesswork with traceable calculation flows

Review formulas, units, and assumptions in a visible calculation flow.

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Make the calculation flow visible

Review formulas and assumptions together

TORQYX brings formulas, units, and assumptions together in a visible calculation flow.

Featured capability

Traceable calculation flow

Formulas, units, and assumptions are shown together.

Excel
  • Manual unit conversions
  • Hidden formula errors
  • No traceability across versions
TORQYX
  • Instant unit checks
  • Formula breakdowns
  • Export-ready outputs

Formula breakdown

σ = F / Aτ = T·r / JΔP = f·(L/D)·(ρ·v²/2)
Assumptions listed per tool
Units validated on every input
Standards referenced (ISO/DIN)
Review the result

Inspect the calculation flow step by step

See every formula, assumption, and unit before you export.

  • Formula breakdowns you can audit
  • Automatic unit conversion
  • Built-in error checks
Build your library

Build your engineering library

Save, reuse, and share calculation sets across projects.

  • Calculation history for every tool
  • Reusable templates for common parts
  • Team sharing and review-ready exports
History keeps your last 50 runs ready
Save presets for common fasteners
Share a single link with your team

Featured calculators

Start with featured calculators

Selected tools for common mechanical calculation types.

Bolt Size & Torque

Mechanical

Calculate stress area and preload from nominal diameter, pitch, and grade.

12,400 toolsTry Now →

Gear Module

Mechanical

Compute gear module and base dimensions.

9,800 toolsTry Now →

Pipe Pressure Loss

General Engineering

Compute Re, friction factor, and pressure loss via Darcy-Weisbach.

8,600 toolsTry Now →

Shaft Torsion

Mechanical

Compute torsional stress and twist angle from torque and shaft size.

7,400 toolsTry Now →

Bearing Life (L10)

Mechanical

Calculate L10 and L10h from C, P, type, and rpm.

6,900 toolsTry Now →

Hydraulic Cylinder Force & Speed

Mechanical

Compute extend/retract force and speed from pressure and flow.

6,100 toolsTry Now →
See all calculators