Niostar vs Unit Converter & Calculators

Can connect and test thermal receipt or thermal label printer via WiFi and Bluetooth

Unit Converter is a practical measurement converter for everyday metric and imperial unit conversion. Convert 1,000+ units across 80+ categories, from length, weight, temperature, area, and volume to engineering, scientific, and technical measurements. Built-in calculators and reference tools support related math, including a construction calculator for roof, stair, rafter, lumber, layout, and estimating work. Enter a value to see multiple conversion results update instantly. Copy the result you need, save favorite converters, and organize shortcuts on the in-app home screen for faster access to the measurements you use most. Everyday Metric & Imperial Conversions Handle common conversions at home, at work, or while studying: ◾ Length and distance: meters, feet, inches, miles, and kilometers ◾ Weight and mass: kilograms, pounds, ounces, and tons ◾ Temperature: Celsius, Fahrenheit, and Kelvin ◾ Area and volume: square meters, square feet, liters, milliliters, gallons, and cubic units ◾ Cooking volume conversions and ingredient reference information ◾ Time, speed, angle, frequency, pressure, force, energy, power, density, and more Convert cm to inches, meters to feet, kg to pounds, Celsius to Fahrenheit, liters to gallons, and many other measurements in seconds. Fast, Focused Conversion ◾ See results update in real time as you type ◾ View multiple equivalent units from one value ◾ Copy conversion results quickly ◾ Save favorite converters and arrange shortcuts on the in-app home screen ◾ Choose color themes and customize the interface Engineering & Scientific Units Work with technical measurements for mechanics, heat, fluids, electricity, magnetism, radiation, lighting, and digital data. Convert pressure, torque, acceleration, viscosity, flow, thermal conductivity, electrical resistance, capacitance, magnetic flux, data storage, and more. Calculators & Reference Tools Use the built-in calculator for everyday and technical math. Explore helpful tools for percentages, geometry, trigonometry, electronics, binary numbers, resistor values, and volume, plus scientific constants and reference tables. Construction Calculator Work directly with metric, imperial, and fractional measurements for construction, carpentry, woodworking, layout, estimating, and DIY projects. ◾ Feet-inch fraction calculator for mixed-measurement arithmetic ◾ Roof pitch and rafter calculators for rise, run, slope, angle, and length ◾ Stair calculator for step height, tread depth, total run, and stringer layout ◾ Baluster spacing and stud calculators for layout work ◾ Board foot and lumber calculators for quantity, volume, and cost ◾ Miter calculator for flat miters and crown-molding saw settings ◾ Arc, circle, column, cone, and right-triangle calculations Whether you are converting everyday measurements, checking scientific or engineering units, or solving construction math, Unit Converter keeps essential conversion and calculator tools together in one customizable app.