3PLGUYS

Calculate your freight class from dimensions and weight using the current NMFC 13-sub density scale (effective July 19, 2025). Full freight class chart 50–500, NMFC code explainer, and reclassification fee guide. Free, no login.

Free 3D load planner for pallets, containers, and trailers. Enter your carton dimensions, pick a destination, and get the optimal stacking pattern in interactive 3D. The optimizer respects weight limits, fragile-on-top rules, and rotation locks. One click generates a printable PDF load sheet with layer-by-layer build instructions for the warehouse crew. Also estimates your NMFC freight class from the finished load's density. No login, no limits.

Most FBA calculators are outdated, gated behind email walls, or built to upsell you software. Ours is different: current 2026 Amazon fee data (fulfillment, storage, referral, inbound placement, low-inventory fees), instant results with real profit and margin breakdowns, and zero signup no email gate, no trial, no catch. It's built by 3PLGuys, an Amazon SPN-certified prep center that handles FBA inventory every day, so the fee logic reflects what sellers actually pay, not a simplified estimate.