Tools & Calculators

Fahrenheit: °F

Celsius: °C

Enter a temperature in either field to convert

Gallons: gal

Liters: L

Enter a volume in either field to convert

Gallons per minute:

Gallons per hour:

Gallons per 8 hours:

Gallons per day:

Gallons per week:

Liters per second:

Liters per minute:

Liters per hour:

Liters per day:

Enter a flow rate in any field to calculate all other units and periods

Grains per gallon:

Parts per million:

Click Calculate to see the hardness rating

Enter hardness in either field, then click Calculate