This calculator lets you scale up or down your formula or recipe or any set of proportionally related quantities. Input your formula or set of quantities on the left yellow colored part of the table. Names are optional. On the right light brown colored part of the table, input any one value (leave the others blank) that you wish to change to or scale to and the rest of the quantities will be calculated to the new scale. Please see examples also. Click on the add rows button to add more entries. The number of decimal places for the values to be calculated can also be specified. (The default value is 5.)