![Online Open-to-Buy Calculator](/portals/10/Categories/Calcrs.png?ver=2017-11-06-112244-450)
Online Calculators for Inventory Buying Plans - By month. By department. By YOU!
MULTI-DEPARTMENT Open-to-Buy Calculator with GMROI
SPEEDY Open-to-Buy Calculator
![How-To Articles](/portals/10/Categories/Articles.png?ver=2017-11-06-112244-450)
Explanatory How-To Articles - Used and loved by retailers worldwide!
Getting Through the Retail Maze with GMROI
The Diamond of Doom: The Costs of Excess Inventory
Merchandise Planning: Back to the Basics
Manage Turnover to Keep Inventory In Shape
How to Cut Inventory – FAST!
![Explanatory Webinars from Outcalt & Johnson](/portals/10/Categories/Webinars.png?ver=2017-11-06-112244-293)
Webinars from The Co-Founders – Lively and empowering!
Basics of Turnover and Open-to-Buy Plans
Multi-Department Open-to-Buy Planning
The Power of GMROI
![Online Training Course, Open-to-Buy Planning](/portals/10/Categories/Courses.png?ver=2017-11-06-112244-293)
Online, Self-Paced eLearning Courses – Learn it once. Use it forever!
Projecting Inventory Buys
GMROI – The #1 Measure of Inventory Productivity
![Short How-To Videos](/portals/10/Categories/ShortVids.png?ver=2017-11-06-112244-293)
Short How-To Video - See it in action!
How to Use SPEEDY Open-to-Buy Calculator
![FAQs](/portals/10/OTB%20Ctr%20grfx/Qmarx%20copy.png?ver=2017-10-12-105816-430)
Frequently Asked Questions