Free planning tool
Standing Desk Lifting-Capacity Planner
Add desktop and equipment weights and compare the moving load with a frame rating.
Planning aid only. Use exact manufacturer dimensional limits for the desk, frame, chair or monitor hardware you actually buy.
Include everything that moves with the desk.
What this tool does not decide
A calculator cannot predict build quality, long-term durability or stability from a few numbers. Use it to eliminate incompatible configurations, then compare exact-model documentation.