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Depth → Pressure

Calculate pressure at a given depth

Pressure → Depth

Find depth for target pressure

Compare Conditions

Side-by-side comparison

Freshwater
Saltwater
Custom Density

Formula: P = ρgh

Freshwater

997.0474 kg/m³

Typical lake/river water at 25°C

Saltwater

1023.6 kg/m³

Standard seawater (3.5% salinity)

Gravity

9.80665 m/s²

Standard gravitational acceleration

Applications

Diving
Decompression, air consumption, safety stops
Engineering
Underwater structures, pressure vessels
Research
Marine biology, deep-sea exploration