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CDS-John Blue Metering Pump Calculators and Flow Monitor Calculators

At Your Desk or in the Field!

Our popular agricultural calculators are available for your CDS-John Blue piston pumps, squeeze tube pumps, and flow monitor systems. They are designed to ensure you get the best results from your CDS-John Blue equipment by helping you identify and establish settings, application rates, and a variety of other parameters. The calculators are available for most modern computers, tablets, and smart phones. English and metric units of measurement are supported. These calculators will work at home, in the office, or in the field, with or without an Internet data connection (see detailed instructions for when Internet connectivity is not present). Choose your preferred calculator below.

Desktop CalculatorsThe following calculators were designed to support CDS-John Blue metering pump and flow monitor customers. Developed specifically for use on large screen computing devices such as desktops, laptops, notebooks, and high-end tablets, these calculators require a modern web browser (with support for DHTML and JavaScript).

Calculator for All CDS-John Blue Metering Pumps
This calculator works to calculate your piston pump or squeeze tube pump application rates, pump settings, and other metering pump flow parameters.

Calculator for VisaGage II and Liquid Blockage Monitor System (LBMS) Flow Monitors
This calculator works to calculate the corrected flow rate based on your fertilizer weight. In doing so, it determines the most suitable ball to use in your VisaGage II or LBMS flow monitor.

NEW! Calculator for NH3 VisaGage II with Liquid Blockage Monitor System (LBMS)
This calculator works to calculate the corrected flow rate based on the amount of nitrogen being applied, your ground speed, and the distance between your crop rows. In doing so, the calculator determines the most suitable ball to use in your NH3 VisaGage II with LBMS flow monitor.

NEW! Orifice Selector Plate Application Chart
Use this chart to choose the correct orifice size for your application for water and solutions other than water.

Mobile Device CalculatorsThe following calculators were designed to support CDS-John Blue metering pump and flow monitor customers. Developed specifically for use on small-screen and mobile devices such as iPads, tablets, notebooks, netbooks, and smart phones, these calculators require a modern web browser (with support for DHTML and JavaScript).

Calculator for CDS-John Blue Piston Pumps
This calculator works to calculate your CDS-John Blue piston pump application rates, pump settings, and other piston pump flow parameters.

Calculator for CDS-John Blue Squeeze Tube Pumps
This calculator works to calculate your CDS-John Blue squeeze tube pump application rates, pump settings, and other squeeze tube pump flow parameters.

Calculator for VisaGage II and Liquid Blockage Monitor System (LBMS) Flow Monitors
This calculator works to calculate the corrected flow rate based on your fertilizer weight. In doing so, it determines the most suitable ball to use in your VisaGage II or LBMS flow monitor.

NEW! Calculator for NH3 VisaGage II with Liquid Blockage Monitor System (LBMS)
This calculator works to calculate the corrected flow rate based on the amount of nitrogen being applied, your ground speed, and the distance between your crop rows. In doing so, the calculator determines the most suitable ball to use in your NH3 VisaGage II with LBMS flow monitor.

NEW! Orifice Selector Plate Application Chart
Use this chart to choose the correct orifice size for your application for water and solutions other than water.