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British Weights & Measures Converters
Instant conversion calculators for every British imperial and metric measurement. From kg to stone to miles to km — all the conversions Britain actually uses, every day.
KG to Stone Converter
Convert kilograms to stone instantly using our calculator below. Stone is the tr...
Kilograms (kg) ↔ Stone (st) →
KG to LBS Converter
Convert kilograms to pounds (lbs) and back again with our instant calculator. On...
Kilograms (kg) ↔ Pounds (lbs) →
Stone to Pounds Converter
Convert stone to pounds and back with our instant calculator. One stone equals e...
Stone (st) ↔ Pounds (lbs) →
Stone to KG Converter
Convert stone to kilograms instantly with our two-way calculator. One stone equa...
Stone (st) ↔ Kilograms (kg) →
CM to Inches Converter
Convert centimetres to inches and back using our instant calculator. One inch eq...
Centimetres (cm) ↔ Inches (in) →
Inches to CM Converter
Convert inches to centimetres instantly with our two-way calculator. One inch eq...
Inches (in) ↔ Centimetres (cm) →
CM to Feet & Inches Height Converter
Convert centimetres to feet and inches with our height converter. Also converts ...
Centimetres (cm) ↔ Feet & Inches →
Miles to KM Converter
Convert miles to kilometres and back with our instant calculator. One mile equal...
Miles (mi) ↔ Kilometres (km) →
Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius and back with our instant temperature calculator. ...
Fahrenheit (°F) ↔ Celsius (°C) →
Oz to Grams Converter
Convert ounces to grams and back with our instant calculator. One ounce (oz) equ...
Ounces (oz) ↔ Grams (g) →
MM to CM Converter
Convert between millimetres, centimetres and metres instantly. All metric — but ...
Millimetres (mm) ↔ Centimetres (cm) →
Litres to Gallons Converter
Convert litres to gallons and back with our instant calculator. Be aware: UK (im...
Litres (L) ↔ UK Gallons →
MPH to KPH Speed Converter
Convert miles per hour (mph) to kilometres per hour (kph) and back. UK roads use...
Miles per hour (mph) ↔ Kilometres per hour (kph) →
Weight Converter
Convert between any weight unit with our all-in-one weight converter. Enter a va...
Kilograms (kg) ↔ Stone (st) →
Why Britain Has Two Measurement Systems
Britain officially adopted the metric system in 1965, yet decades later the country still uses stone for body weight, miles for road distances, pints in pubs and Fahrenheit in casual conversation. This uniquely British mixing of imperial and metric makes conversion calculators more essential here than almost anywhere else in the world.