Measurement Converter Offline

Type a number and every unit updates at once — cm to inches, kg to lbs, °F to °C. Five categories, fully offline, zero clutter.

Typed "cm to inches" into a search bar for the third time today? ToolBox Converter turns that into one glance: open the app, type the number, and every unit you care about is already on screen — length, weight, temperature, volume, and time, fully offline.

Most converters make you pick one target unit and hope you chose right. ToolBox shows the whole row: enter 170 cm once and inches, feet, meters, and miles all update live as you type. Swap direction with one tap, copy any line, and star the pairs you use every week. Everything runs on device with exact factors (1 in = 2.54 cm, 1 lb = 0.45359237 kg) — no ads, no accounts, no waiting for a page to load.

WHAT YOU GET • 170 cm reads as 66.93 in, 5.58 ft and 1.7 m on one screen — every unit in the category updates live as you type • kg to lbs at the gym, oz to grams at the scale: swap direction with one tap and copy the answer straight into a message • Baking from a US recipe: cups, tablespoons and teaspoons convert to milliliters with US-customary precision (1 gal = 3.785411784 L) • 350 °F shows as 176.7 °C on a scale that marks freezing and boiling, so oven and weather numbers make sense at a glance • Your "espresso dose" grams-to-ounces pair saved as a named Favorite — one tap next time instead of re-picking units • The last 200 conversions save themselves to History, so yesterday's answer is still there when you need it again

PERFECT FOR • Cooks and bakers translating US recipes to metric mid-recipe with flour on their hands • Travelers reading road signs in miles and forecasts in Fahrenheit • Students checking unit homework against exact conversion factors, not rounded guesses • Lifters and DIYers moving between kg plates, lb dumbbells, feet and meters every day

WHY NOT JUST ASK SIRI OR SEARCH THE WEB? A web search needs signal, shows one answer buried in ads, and forgets it instantly. ToolBox works in airplane mode, shows every unit at once, keeps your history, and remembers your favorite pairs — the fifth "kg to lbs" of the week is one tap, not another typed query.

PRIVATE BY DEFAULT No account, no tracking, no network calls. Every conversion, favorite, and history entry stays on your device.

FULL ACCESS ToolBox Converter requires Full Access, available as a Weekly or Yearly auto-renewing subscription, or a one-time Lifetime purchase. Full Access unlocks the complete converter: all five categories, live multi-unit results, named Favorites, and 200-entry History.

Download ToolBox Converter and settle your next "cm to inches" in the time it takes to type the number.

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