Sparks only lists diameter (and not length) nor weight. A 6 inch 2.25" diameter potato will have more mass & calories than a 4 inch 2.25" diameter potato. And their diameter ranges overlap so I'm scratching my head at Sparks on this.
Sorry - wish I could be of more help. Curious how the cooks out there reply to this question! Maybe post your Q on Spark Recipes?
SparkPeople, SparkCoach, SparkPages, SparkPoints, SparkTeams, SparkDiet, SparkAmerica, SparkRecipes, DailySpark, and other marks are trademarks of SparkPeople, Inc. All Rights Reserved.
SPARKPEOPLE is a registered trademark of SparkPeople, Inc. in the United States, European Union, Canada, and Australia. All rights reserved.