Number & Unit Converters
Convert between number formats, fractions and units — every converter shows the step-by-step working, not just the answer.
Number & Format Converters
Switch between fractions, decimals and percentages — with full working shown.
Fraction to Decimal →
Convert any fraction to its decimal — long division shown step by step
Recurring Decimal →
Convert repeating decimals to fractions with full working
Decimal to Fraction →
Convert any decimal to a simplified fraction — including recurring
Percentage to Fraction →
Convert any percentage to a simplified fraction
Unit Converters
Length, weight, temperature, speed and more — metric, imperial and beyond.
Length Converter →
mm, cm, m, km, inches, feet, miles
Weight Converter →
kg, g, lb, oz, stone and more
Temperature Converter →
°C, °F and Kelvin
Speed Converter →
mph, km/h, m/s and knots
Area Converter →
m², cm², km², ft², acres, hectares
Volume Converter →
ml, litres, UK pints, US cups, gallons
Time Converter →
seconds, minutes, hours, days, weeks, months, years
Angle Converter →
Degrees, radians and gradians
Power Converter →
Watts, kW, horsepower and BTU/hr
Force Converter →
Newtons, pound-force and kilogram-force
Acceleration Converter →
m/s², g-force and mph/s
Pressure Converter →
PSI, bar, Pascal, mmHg and atm