**Use this page to access all Geo-Flo Calculators on one page (blue text is the link). Or, to access them by catagories from the Calculators home page, click here.**

**about Calculators**

### Pressure Drop Calculators

**Residential/Light Commercial Calculators**

**Up to 5 units, central pumping**

**Up to 5 units, flow center per unit**

**Commercial Calculator**

**Residential and Commercial Calculators**

**Antifreeze / Water Treatement Calculator**

### Pump Sizing Calculators

**Residential/Light Commercial Calculators**

**Pump Sizing – Flow Centers (up to 100 gpm)**

**Series/Parallel Pump Calculator**

**Commercial Calculator**

**Pump Sizing – Magna3 (up to 600 gpm)**

**Residential and Commercial Calculators**

**Antifreeze / Water Treatement Calculator**

**Geothermal Expansion Tank Calculator**

### Flush Cart Calculator

### Spaced Pond Coil Calculator

### Hydronic Calculators

**Heat Pump Load Side Pressure Drop Calculator**

**Radiant Floor/Fan Coil Pressure Drop Calculator**

**Expansion Tank Calculator-Radiant/Hydronic System**

### Service Calculators