Unit Converter is the conversion calculator you need for everyday use: fast, clear, and with many categories. Choose the unit From → To, enter a value, and get the result instantly with 2 decimal places. It also includes an extra tool for calculating wall blocks, designed for construction.
What can you convert?
Length: mm, cm, m, km, inches, feet, yards, miles
Weight (mass): g, kg, t, lb, oz
Volume: mL, L, m³, US gallon, fl oz (US)
Area: mm², cm², m², ha, km², ft², in², acre
Speed: m/s, km/h, mph, knots
Time: µs, ms, s, min, h, days, weeks
Data: B, KB, MB, GB, TB (base 1024)
Pressure: Pa, kPa, bar, atm, psi, mmHg
Energy: J, kJ, Wh, kWh, cal, kcal, BTU
Temperature: °C, °F, K (direct conversion between the three)
Construction Extras
Wall Block Calculation: Enter length and Wall height, void area, select block size (preset or custom), joint, and waste percentage. The app calculates blocks with and without waste, and displays the area details.
Why you'll love it
Clean and modern interface, designed for one-handed use
Two From/To selectors in each category
Instant results with smart rounding
Clear labels (e.g., US gallon, US fl oz)
Local conversion: no internet required to convert
Ideal for students, technicians, engineers, architects, construction crews, and anyone who needs to convert units quickly and easily.
Suggestions and new units: Missing any? Send us your suggestion and we'll add it in future versions.