Terminal Velocity Calculator

Estimate terminal velocity from mass, drag coefficient, fluid density, and cross-sectional area for practical physics modeling.

Mass (kg)

Drag Coefficient Cd

Fluid Density rho (kg/m^3)

Area A (m^2)

Gravity g (m/s^2)

Core Formula

v_t = sqrt((2 m g) / (rho C_d A))

Use this as a planning and validation aid, then confirm assumptions with your context.

Your Results

Calculated

Terminal Velocity
-
Primary output

Terminal Velocity (km/h)

Secondary output

Dynamic Pressure

Verification metric

Speed Regime

Interpretation

Enter values and calculate to get scenario outputs.

This calculator is designed for practical analysis and fast scenario testing. Use conservative assumptions first, then compare improved scenarios.

Lab-style helpers for units, measurement, and clear record-keeping.

Keeps unit conversions and exponentials less error-prone.

Pairs with estimation when you need real-world lengths.

Track assumptions, units, and results in one place.