Hydrostatic Force acting on Submerged Surface

Calculate the thrust force acting on a surface submerged in a liquid using hydrostatic pressure formulas. Supports calculations for vertical surfaces, bottom surfaces, and other submerged configurations.

Calculator

Inputs

Liquid Density (ρ) (kg/m³)

Gravity Acceleration (g) (m/s²)

Surface Type

Depth at Top (ht) (m)

Depth at Bottom (hb) (m)

Width (w) (m)

Length (L) (m)

Results

Surface Area (A)-- m²

Average Depth (ha)-- m

Average Pressure (pa)-- Pa

Hydrostatic Force (F)-- N

Hydrostatic Force (F)-- kN

Scenario	Density (kg/m³)	Gravity (m/s²)	Top Depth (m)	Bottom Depth (m)	Width (m)	Length (m)	Area (m²)	Average Depth (m)	Force (N)	Force (kN)
Vertical side - Container	1000	9.81	0	2	1	2	2	1	19620	19.6
Horizontal bottom - Container	1000	9.81	1	1	1	2	2	1	19620	19.6
Vertical side - Deep water	1000	9.81	5	10	2	3	6	7.5	1102650	1102.65