Pressure Converter
Convert between 10 pressure units — Pa, hPa (mbar), kPa, MPa, bar, atm, psi, mmHg (torr), inHg, inH₂O. Covers weather, tires, hydraulics, vacuum and lab measurements.
What powers the Pressure Converter
10 units covering scientific, industrial and everyday pressure
1 atm = 101.325 kPa = 1.01325 bar = 14.6959 psi = 760 mmHg
Tire-pressure friendly (psi, bar, kPa)
Lab-friendly (mmHg, torr, inHg)
All units shown simultaneously
Why the Pressure Converter is different
Browser-native
The Pressure Converter runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.
No artificial limits
No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.
Production-grade quality
Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.
Common use contexts
- Car tire inflation — psi to bar / kPa for non-US gauges
- Weather barometers — mbar / hPa to inHg
- Lab vacuum measurements — torr / mmHg
- Hydraulic / industrial — bar / MPa / psi
Private and secure
Zero upload
All processing happens in your browser. Input is never transmitted, logged or cached.
Works offline
Once the page loads, the tool runs without an internet connection. No network calls happen during use.
No tracking
No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.