3CCompass

BUYING TOOLS

Run the decision before you spend

These calculators turn common spec questions into practical buying targets. Use them before comparing listings, upgrades, or accessory bundles.

USB-C Charger Wattage CalculatorPick a practical 45W, 65W, 100W, or 140W+ USB-C charger tier before buying.Open toolLaptop RAM And Storage CalculatorChoose a sensible RAM and SSD storage target from workload, files, and ownership plans.Open toolPhone Storage CalculatorDecide whether 128GB, 256GB, 512GB, or 1TB fits your phone habits.Open tool