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Unit Lab

Engineering Unit Converter

EngineeringRuns in your browserBuy Once · Own Forever
About

The engineering unit converter for people who work with real physical quantities.

Pressure, force, torque, energy, power, flow rate, temperature.

PSI to Pascal, kip to Newton, ft-lbf to N-m, GPM to L/s.

SI and imperial, offline.

What's Included
  • ✓200+ engineering units across 14 physical domains
  • ✓Pressure, force, torque, energy, power, flow rate, and more
  • ✓SI and imperial — all conversions fully offline
  • ✦Save your most-used conversions as encrypted favorites for one-tap access.

Everything above is included in a single one-time purchase. No subscription. No in-app purchases. No feature gating.

Pricing
In your browser
Free
The full tool, not a trial. No account, no time limit, nothing leaves your device.
Tidemill Pro · optional
$12 once
Encrypted backup and restore across all 33 tools. One payment, no subscription.

Pro only adds backup. Nothing that is free today will move behind it. What Pro includes →

Get It
🌐Free · full toolTry Web Version →

Full tool — runs entirely in your browser. No account, no install.

Native iOS and Android builds are planned. The web version above is the complete tool today. Questions? Support →

Privacy
  • ◆No account required — open the app and use it
  • ◆No internet connection needed — fully offline
  • ◆All data AES-256 encrypted on your device
App Info
Developer
Tidemill / Heron Networks LLC
Version
1.0
Platforms
Web (any browser) · iOS & Android planned
Price
Free · Pro $12 one-time, all tools
Languages
English
Support URL
tidemill.io/support
Privacy Policy
tidemill.io/privacy
Bundle ID (iOS)
io.tidemill.unitlab
Keywords
unit converterengineeringSI unitsimperialpsipascalmetric
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