Acres to Hectares Converter
Convert acres to hectares for land and property measurements
32 free calculators
Fast UK-first unit conversion calculators
Convert length, weight, temperature, volume, speed, and area with clear formulas and quick reference tables.
Angle Converter
Convert angles between degrees, radians, gradians, turns, arcminutes, arcseconds, and milliradians
Celsius to Fahrenheit Converter
Convert Celsius to Fahrenheit with temperature and gas mark references
CM to Inches Converter
Convert centimetres to inches instantly with formula and reference table
Energy Converter
Convert energy units including joules, kWh, food calories, BTU, and electronvolts
Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius with common temperature references
Feet and Inches to CM Converter
Convert feet and inches to centimetres for height conversions
Feet to Metres Converter
Convert feet to metres instantly using UK spelling and formula
Frequency Converter
Convert frequency units including Hz, kHz, MHz, GHz, THz, RPM, and period
Fuel Economy Converter
Convert fuel economy between UK MPG, US MPG, L/100km, km/L, and miles per litre
Gallons to Litres Converter
Convert UK imperial or US gallons to litres
Grams to Ounces Converter
Convert grams to ounces instantly for cooking and parcels
Inches to CM Converter
Convert inches to centimetres instantly with formula and reference table
KG to LBS Converter
Convert kilograms to pounds instantly for weight and luggage checks
KG to Stones Converter
Convert kilograms to UK stones and pounds instantly
KM to Miles Converter
Convert kilometres to miles instantly with race distance examples
KPH to MPH Converter
Convert kilometres per hour to miles per hour instantly
LBS to KG Converter
Convert pounds to kilograms instantly with formula and table
Litres to Gallons Converter
Convert litres to UK imperial and US gallons
Metres to Feet Converter
Convert metres to feet instantly with formula and reference table
Miles to KM Converter
Convert miles to kilometres instantly with common distance examples
ML to FL OZ Converter
Convert millilitres to UK and US fluid ounces
MM to Inches Converter
Convert millimetres to decimal inches with fraction guidance
MPG to L/100km Converter
Convert UK MPG, US MPG, and litres per 100km for fuel economy comparisons
MPH to KPH Converter
Convert miles per hour to kilometres per hour instantly
Ounces to Grams Converter
Convert ounces to grams instantly for recipes and weights
Pressure Converter
Convert pressure units including bar, PSI, pascals, atmospheres, and mmHg
Square Feet to Square Metres Converter
Convert square feet to square metres for UK property and flooring
Stones to KG Converter
Convert UK body weight in stones and pounds to kilograms
Stones to Pounds Converter
Convert stones to pounds instantly for UK body weight
Torque Converter
Convert torque between Newton metres, foot pounds, inch pounds, and kilogram metres
Yards to Metres Converter
Convert yards to metres for sport, distance, and property use
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Useful resources
- National Measurement Office
UK government information on measurement standards and enforcement.