1
Choose the correct calculator
Select the tab for One & Two Piece Standard, Bespoke Non-Standard, IFB & EFB Sectional or TIF Sectional tanks.
2
Select or enter the tank size
For standard tanks, choose the range and model. For bespoke and sectional tanks, enter the internal length, width and height in metres. Use the arrows to adjust bespoke dimensions in 0.01 m increments and sectional dimensions in 0.5 m increments.
3
Choose the tank configuration
Select whether a raised chamber is required, then choose the inlet size, outlet type and outlet size.
4
Review the capacity results
The calculator will automatically display the nominal, actual and useable capacities in litres as you complete the fields.
1
Tank selection
2
Tank configuration
3
Capacity results
Nominal Capacity-Litres
Actual Capacity-Litres
Useable Capacity-Litres
This inlet or outlet configuration is not suitable for the selected tank. Please choose a larger tank or a smaller connection size.
Internal Length (mm)-
Internal Width (mm)-
Internal Height (mm)-
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The tank and capacity details from your current calculation will be included automatically.
Disclaimer: Capacity figures are provided as a guide only and may vary depending on the selected tank configuration, connections and installation requirements. Please contact Purewater Storage to confirm suitability before placing an order.