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# Content in Horizontal - or Sloped - Cylindrical Tanks or Pipes

## Volume of partly filled horizontal or sloped cylindrical tanks or pipes - online calculator.

The online calculator below can be used to calculate the volume and mass of liquid in a partly filled horizontal or sloped cylindrical tank if you know the inside diameter and the level of the liquid the tank. The calculator can also be used for partly filled circular pipes.

The calculator outputs

• the liquid volume in the tank
• the liquid mass
• the central angle
• the chord length
• the arc length
• the cross sectional area of both liquid and air
• the air volume in the tank

The calculator is generic and can be used for common metric and imperial units as long as the values are based on the same units.

inside diameter of tank or pipe - d - (m, ft, in)

liquid level inside tank or pipe - h - (m, ft, in)

liquid density - ρ - (kg/m3, lb/ft3, lb/in3)

length of tank or pipe - L - (m, ft, in)

### Side-view of the Cylindrical Tank or Pipe

The figure redraws when the parameters in the calculator are changed and calculated.

### Liquid Level and Volume in a Horizontal Tank or Pipe

The chart below can be used for horizontal tanks or pipes where the slope is zero.

 Liquid Level ratio (% of max height) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Liquid Fill (% of max volume) 0 2 5 9 14 20 25 31 37 44 50 56 63 69 75 80 86 91 95 98 100

## Related Topics

• Mathematics - Mathematical rules and laws - numbers, areas, volumes, exponents, trigonometric functions and more.
• Piping Systems - Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams.

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Temperature

oC
oF

Length

m
km
in
ft
yards
miles
naut miles

Area

m2
km2
in2
ft2
miles2
acres

Volume

m3
liters
in3
ft3
us gal

Weight

kgf
N
lbf

Velocity

m/s
km/h
ft/min
ft/s
mph
knots

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O

Flow

m3/s
m3/h
US gpm
cfm

4 29