Pressure
1 bar = 100 kPa ≈ 14.5 psi ≈ 1.02 kg/cm². 1 atm = 1.01325 bar. A 10-meter water column is roughly 1 bar.
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Pressure, Flow & Temperature Unit Converter
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Conversion factors use standard SI values. Gauge vs. absolute pressure isn't converted.
Quick reference
Common industrial conversions
Flow rate
1 m³/h ≈ 0.278 L/s ≈ 16.7 L/min ≈ 4.4 US gpm.
Temperature
°F = °C × 1.8 + 32 and K = °C + 273.15. For a temperature difference, apply only the 1.8 factor.
Unit conversion tips
- Check whether a sensor datasheet gives gauge (barg) or absolute (bara) pressure.
- A US gallon (3.785 L) is not a UK gallon (4.546 L) — check where the datasheet comes from.
- For pumps and piping, keep flow in one time unit (hour or second) through the whole calculation.
- Don't report more digits than the sensor's accuracy; 3–4 significant figures are usually enough.
FAQ
Unit conversion questions
How many psi is 1 bar?
1 bar is 14.504 psi. Conversely, 1 psi is about 0.06895 bar.
What's the difference between bar and kg/cm²?
They are very close: 1 kg/cm² = 0.9807 bar. Many older gauges treat them as nearly the same.
How do I convert m³/h to L/s?
Divide by 3.6. For example, 36 m³/h = 10 L/s.
How many meters of water is 1 bar?
About 10.2 meters of water column equals 1 bar, which is why pump head is often given in meters.
How do I convert Celsius to Fahrenheit?
Multiply by 1.8 and add 32. For example, 25 °C = 77 °F.
Need the right pressure or flow sensor?
Bizdavar supplies VEGA pressure, level and instrumentation products and other industrial brands, and helps you choose the right range.