Unit Converter & Calculators

Quickly handle unit conversions and discount math for cooking, DIY, travel, study, and shopping. Pick a category, enter a value, and see all units converted at once.

■ Many Categories (8)
· Length (m, cm, mm, km, inch, ft, yd, mile, and more)
· Weight (kg, g, mg, lb, oz, and more)
· Temperature (°C, °F, K — accurate non-linear conversion)
· Area (m², km², ft², acre, hectare, pyeong — Korean real-estate unit)
· Speed (km/h, m/s, mph, knot, and more)
· Volume (L, mL, cup, tbsp/tsp, gallon, and more)
· Data (B, KB, MB, GB, TB)
· Time (sec, min, hour, day, week, month, year)
· Switch categories with a single tap on the chip bar.

■ Discount & Calculators (Calc tab)
· Discount: final price from list price & rate, with stacked coupon discounts.
· Reverse: infer discount rate from paid price / recover original price.
· VAT: split supply price ↔ tax-included price.
· Change: price change rate & compound growth.
· Compare: compare option prices + unit-price (per-quantity) to find the cheapest.

■ Full Conversion Table
· See conversion results for all units at once on a single screen.
· Adjustable decimal precision.

■ Favorites & Recent History
· Pin frequently used conversion pairs (e.g., m → ft) as favorites.
· Re-apply from your recent conversion list instantly.
· No need to re-select category and units every time.

■ Comparison Gauge
· Visualize result magnitude with a gauge bar for quick scale comprehension.

■ More
· Portrait and landscape support, dark and light themes.
· Fully offline — no account, no sign-in.
· State memory: restores your last category, units, and input value.

Free app, supported by ads.