Maple Syrup Calculator · North Star Maple Supply

Sap → Syrup

How much sap makes a gallon of syrup? (Jones' Rule of 86)

Sap sugar content (%) Sap you have (gallons) - optional

How many taps, and how much syrup to expect?

Number of trees

Avg diameter (in)

Sap sugar content (%)

What temperature = finished syrup today?

Boiling point of water today (°F)

Not sure? Boil water and read your thermometer - barometric pressure & altitude shift it.

Is it done? Target is 66–67% sugar.

Your reading (°Brix / % sugar)

How long to boil down your batch?

Sap to boil (gallons)

Sugar (%)

Rig rate (gal/hr)

Work backwards from a syrup goal.

Syrup you want (gallons) Sap sugar content (%)