Swapunit vs convertX

The simplest way to convert units. Fast, accurate, and beautifully designed. INSTANT CONVERSIONS Just type a number and see the result immediately. No buttons to press, no waiting. Convert between any units with a single tap. 19 CATEGORIES, 100+ UNITS • Length – meters, feet, inches, miles, kilometers • Weight – pounds, kilograms, ounces, grams • Temperature – Celsius, Fahrenheit, Kelvin • Volume – liters, gallons, cups, milliliters • Area – square feet, acres, hectares • Speed – mph, km/h, knots, m/s • Time – seconds, minutes, hours, days, years • Data Storage – bytes, KB, MB, GB, TB • And 11 more categories... SAVE YOUR FAVORITES Quickly access your most-used conversions. One tap to convert again. DARK MODE Easy on the eyes, day or night. Follows your system settings or set it manually. CLEAN & SIMPLE No ads cluttering your screen. No account required. Just open and convert. Perfect for: • Students and teachers • Cooking and baking • Travel and navigation • Science and engineering • Everyday calculations Download now and make unit conversions effortless.

ConvertX gives engineers, students, and everyday users the most complete unit converter in their pocket. 44 categories. 400+ units. Offline. EVERYDAY — FREE FOREVER Length · Weight · Temperature · Area · Volume · Speed · Time Data Storage · Pressure · Energy · Power · Angle · Fuel · Frequency LIVE CURRENCY 30 currencies updated in real-time. Works offline with cached rates. No account. No sign-up. Just convert. ENGINEERING SUITE — PRO The only converter with a complete professional engineering toolkit: Mechanical: Force · Torque · Stress · Density · Dynamic Viscosity Kinematic Viscosity · Acceleration · Angular Velocity Civil: Flow Rate · Stress Intensity · Illuminance · Concentration Water Hardness Electrical: Voltage · Resistance · Capacitance · Inductance Current Density Thermal / HVAC: Thermal Conductivity · Heat Flux · Cooling Load Specific Heat Science: Radiation Dose · Radioactivity · Molar Amount Acoustics: Sound Level · Luminous Intensity Material Science: Hardness (HRC / HV / HB / Shore) · Elastic Modulus DESIGNED FOR REAL USE • 48-point bold numbers — your result fills the screen • Dark neon UI — no eye strain in the field or lab • Tap any unit row to set it as your conversion target • Swap units with one tap — no fumbling • Copy result to clipboard instantly • Favorites — pin your most-used converters to the top • History — last 50 conversions saved automatically • 100% offline — no internet needed for any unit conversion PRIVACY FIRST No account. No tracking. No personal data collected. PRO — $4.99 ONCE, YOURS FOREVER Unlock all 29 engineering categories with a single one-time purchase. No subscription. No monthly fee. Lifetime access including all future engineering categories added to the app. ConvertX is the converter engineers reach for on-site, students use in the lab, and travellers rely on for currency — all in one place.