
Cost & quotes
Freight Shipping Calculator: What It Can Guess and What It Misses
Online calculators miss NMFC class, linear feet, and accessorials. Use them for a sketch, then send COL Freight the measured shipment.
Updated 2026-08-20 · freight shipping calculator
A freight shipping calculator is a form that multiplies miles by a canned per-mile or a canned CWT. It can sketch a budget. It cannot see that your “two pallets” are 96 inches tall, that the delivery ZIP is a hospital with limited access, or that the commodity classed as 70 on your spreadsheet is 125 on the NMFC density table.
COL Freight Solutions still uses math—just the math that matches the trailer. We are a licensed property broker (USDOT 4427559, MC-1741651) for FTL, LTL, and warehousing across the USA, Mexico, and Canada. Treat any calculator output as a draft, then send measured data for a quote.
Why a freight shipping calculator underprices LTL
Most public tools do not apply NMFC density rules. They ask for weight and maybe a vague “freight class” dropdown. If you pick class 70 because it “sounds average,” and the pallet is 4 lb per cubic foot, the terminal will reclass. The calculator never warned you.
Linear-foot rules are another blind spot. Six long pallets can trip an LTL capacity flag even when the scale weight looks modest. The calculator still thinks you are a small shipment.
The density math you should run before the form
Pounds per cubic foot (PCF) equals weight divided by cubic feet. Cubic feet equal length × width × height in inches, divided by 1,728. Measure the pallet as it will sit on the trailer, including overhang and stacking height. That PCF is what density-based classes follow.
Inputs a human desk actually prices
Origin and destination, piece and pallet count, scale weight, L×W×H, commodity, hazmat status, pickup date, and facility type. For cross-border, the port of crossing or the fact that a crossing is required. Calculators rarely have a field for “live unload at a club store.”
- Do not round dimensions down to make the tool look cheap.
- Do not skip liftgate because the form hid the checkbox.
- Do not mix FTL exclusive-use with LTL CWT in the same screenshot.
Use COL Freight as the calculator that books trucks
Email shipping@colfreightsolutions.com or call 561-880-9808. We will tell you if the cube belongs on LTL or FTL, flag fuel and likely accessorials, and return a quote. Recurring lanes may also fit the Transportation Cost Recovery Program™—that is a partnership conversation after the operational math is honest.

