Common civil engineering unit conversions:

Here are some common civil engineering unit conversions:

1. Length:
- 1 meter (m) = 3.281 feet (ft)
- 1 kilometer (km) = 0.6214 miles (mi)

2. Area:
- 1 square meter (m²) = 10.764 square feet (ft²)
- 1 hectare (ha) = 2.471 acres (ac)

3. Volume:
- 1 cubic meter (m³) = 35.3147 cubic feet (ft³)
- 1 liter (L) = 0.2642 gallons (gal)

4. Mass:
- 1 kilogram (kg) = 2.2046 pounds (lb)
- 1 metric ton (t) = 1.1023 short tons (ton)

5. Pressure:
- 1 pascal (Pa) = 0.000145 pounds per square inch (psi)
- 1 bar = 14.5038 pounds per square inch (psi)

6. Force:
- 1 newton (N) = 0.2248 pounds-force (lbf)
- 1 kilonewton (kN) = 224.8089 pounds-force (lbf)

7. Velocity:
- 1 meter per second (m/s) = 3.281 feet per second (ft/s)
- 1 kilometer per hour (km/h) = 0.6214 miles per hour (mph)

8. Temperature:
- Celsius to Fahrenheit: °F = (°C × 9/5) + 32
- Fahrenheit to Celsius: °C = (°F - 32) × 5/9

These conversions should be helpful in converting between various units commonly used in civil engineering.

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