Spike's Calculators

Round Hopper Tank - Feet

Calculate the amount of liquid inside a partial filled round hopper tank. The upper part of this tank consist out of a cylinder with a truncated funnel attached to the bottom. This calculator uses feet for measurements.

Approximate weight of Fuel or Water
```one US gallon of water = 8.34 pounds.
one US gallon of diesel fuel = 7.1 pounds
one US gallon of gas = 6 pounds
```

Cylinder with a Round Hopper - Feet

Top Diameter A ft in
Cylinder Height (A) ft in
Funnel Height (B) ft in
Bottom Diameter ft in
Depth of Liquid ft in
Liquid Weight-Pounds per US Gallon lb/gal US

Results:

Tank Volume and Capacity
Cubic Feet ft³
Cubic Inches in³
Cubic Metres
Capacity in US Gallons gal US
Capacity in Litres L
Amount of Liquid Inside Tank
In Cubic Feet ft³
In US Gallons gal US
In Imperial Gallons gal Imperial
In Litres L
In Hectolitres hl
Weight of Liquid and Fill Amount
Weight of Liquid lbs
To Fill this Tank, Add gal US

Calculator

1. enter the top diameter (A) in feet and or inches
2. the cylinder part height (A) in feet and or inches
3. the truncated funnel height (B) in feet and or inches
4. the bottom diameter (B) in feet and or inches
5. the depth of the liquid inside the tank in feet and or inches
6. the weight of the liquid in pounds per US gallons

Results

1. the volume of the tank in cubic feet
2. the volume of the tank in cubic inches
3. the volume of the tank in cubic metres
4. the total amount of liquid the tank can hold in US gallons
5. amount of liquid the tank can hold in litres
6. the amount of liquid inside the tank in cubic feet
7. the amount of liquid inside the tank in US gallons
8. the amount of liquid inside the tank in Imperial gallons
9. the amount of liquid inside the tank in litres
10. the amount of liquid inside the tank in hectolitres
11. the weight of the liquid inside the tank based on lbs/gal US
12. the amount of liquid it will take to fill this tank in US gallons

Formula
```cV =  𝝅(D/2)*H
fV = 1/3𝝅H((T/2)²(B/2)²)
where cV is the volume of the cylinder
fV the volume of the truncated funnel
fV the volume of the funnel
D the diameter
H is the height
T and B the upper and lower diameters of the funnel
```
Conversions
```one cubic foot (ft³) = 1728 cubic inches (in³)
one cubic foot (ft³) = 28316846.592 cubic millimetres (mm³)
one cubic foot (ft³) = 0.028316846592 cubic metres (m³)
one cubic foot (ft³) = 7.48051948051947 gallons (gal) US
one cubic foot (ft³) = 6.22883545904283 gallons (gal) Imperial
one square foot (ft²) = 144 square inches (in²)
one square foot (ft²) = 92903.04 square millimetres (mm²)
one square foot (ft²) = 0.09290304 square metres (m²)
```