ColdChainz Calculator
Shipment
Leave on Auto for the app to pick a size
Pick a number to see the liner GSM needed for that many packs. Fewer packs means a heavier liner.
Keep below
°F for
hours
Type a city and pick from the list, or enter a ZIP. No internet? Set the temps manually below.
high °F
low °F
Recommended spec
—
Liner insulationrounded up to the next 50 GSM · 500 minimum
—GSM
Gel pack sizelargest that fits the void
—oz
Gel pack quantitysuggested for this box
—packs
Monthly usageunits shipped per month
Estimated liner priceadd liner prices in the data table to estimate
$—
Annual Spend Estimate
$—
Saves the PDF to your Downloads folder. A copy is kept under PDF quotes.
ColdChainz 3-Day Weather Forecast
Listed above is a 3 day running temp AVG per zone.
Performance data ›
This table is shared across every device via your cloud database — edits (prices included) save instantly and appear on other devices on open or pull-to-refresh. Use + Add Row to enter new test results. These rows set the price estimate only — liner GSM and gel packs use the same fixed baseline as the customer quote app.
| L | W | H | Liner Thick in | Liner GSM | Price $ | Gel oz | Gel qty | Keep Below °F | HRS Below Temp | High °F | Low °F |
|---|