For mechanical engineers & hardware teams

Spreadsheet-killer stack-ups
you can put in a design review

TolReport turns 1D tolerance stack-ups into professional, review-ready reports. Stop building brittle spreadsheets. Start documenting your analysis properly.

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Clevis/Actuator Gap Analysis
Nominal
0.4000
Worst Case
±0.2794
RSS (3σ)
±0.1704
Top Contributor:Clevis Fork Width (58.2%)

Everything you need for tolerance analysis

Built by engineers, for engineers. No bloat, no learning curve—just the tools you need to do stack-ups right.

WC & RSS Analysis

Industry-standard worst-case and root-sum-of-squares methods. Know your stack behavior at a glance.

Sensitivity Analysis

Instantly see which dimensions drive your stack. Focus your tolerance budget where it matters.

Review-Ready PDFs

One-click export to a professional PDF report. Dimensions, results, assumptions—all documented.

Assumptions Checklist

Built-in checklist for your analysis assumptions. Never forget what you assumed.

Engineering Templates

Start from proven templates: clevis gaps, bearing stacks, gasket compression, and more.

Method Documentation

Clear notes on when to use WC vs RSS. Your reviewers will understand your choices.

Start from proven templates

Don't start from scratch. Pick a template that matches your application and customize it.

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Hydraulics

Clevis/Actuator Gap

Calculate the gap between a clevis and actuator rod eyes. Common in hydraulic and pneumatic cylinder mounting.

⚙️
Bearings

Shaft & Retainer Stack

Bearing preload/endplay stack with shaft shoulder, bearings, spacers, and retaining ring.

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Sealing

Lid/Gasket Seal Stack

Gasket compression stack for a flanged lid assembly with bolt preload.

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Fits

Pin/Bushing Clearance

Clearance fit analysis between a pin and bushing bore.

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General

Generic Linear Chain

Blank 5-dimension linear stack template. Customize for your application.

Simple, transparent pricing

Free = calculator + templates. Pro = unlimited stack-ups + review-ready PDFs.

Free

$0forever

Calculator + templates for quick checks

  • WC & RSS calculations
  • Sensitivity analysis
  • All engineering templates
  • Up to 3 projects
  • Up to 5 dimensions per stack
  • Review-ready PDF export
  • Unlimited projects & dimensions

Pro

$19/month

Unlimited stack-ups + review-ready PDFs

  • Unlimited projects
  • Unlimited dimensions
  • Review-ready PDF export
  • WC & RSS calculations
  • Sensitivity analysis
  • All engineering templates
  • Priority support

Questions? Email us at support@tolreport.com