Brewer’s ToolboxReview of Homebrewing Calculators for Hops: Guide to IBU and Hop Utilization Tools by John Brewster November 7, 2025 by John Brewster November 7, 2025 4 minutes readThe best free hop IBU calculator for most homebrewers is Brewer’s Friend — it offers Tinseth, Rager, and custom models, a 500+ variety database, and equipment-profile adjustments at no cost. Read more
