Welcome to our free Unit Converter designed with UK users in mind. Instantly convert between metric and imperial units for length, weight, temperature, volume, area, and speed. No registration required – just enter a value and get accurate results in seconds.
How to Use This Unit Converter
- Select the category (Length, Weight, Temperature, Volume, Area, or Speed).
- Choose the from unit and the to unit.
- Enter the value you want to convert.
- See the result instantly.
Supported Conversion Categories
Length
Convert between millimetres, centimetres, metres, kilometres, inches, feet, yards, and miles. Useful for DIY, construction, and everyday measurements in the UK.
Weight / Mass
Convert kilograms, grams, tonnes, pounds, stones, and ounces. Ideal for cooking, fitness, and postal weights.
Temperature
Switch easily between Celsius, Fahrenheit, and Kelvin. Perfect for weather, cooking, and science.
Volume
Convert litres, millilitres, pints, gallons (UK), cups, and fluid ounces. Helpful for recipes and fuel calculations.
Area
Convert square metres, square feet, acres, hectares, and square miles. Useful for property and gardening.
Speed
Convert kilometres per hour, miles per hour, metres per second, and knots.
Common UK Conversion Examples
- 5 feet 10 inches = 177.8 cm
- 12 stone 7 pounds = 79.4 kg
- 20°C = 68°F
- 1 UK pint = 568 ml
- 1 acre = 4,047 square metres
- 70 mph = 112.7 km/h
You can also use our Percentage Calculator when working out percentage differences between measurements.
Why Use a Unit Converter?
The UK still uses a mix of metric and imperial units in daily life. Road signs show miles, people often give their weight in stones, and recipes may use pints or cups. This converter removes the confusion and gives precise results every time.
For official conversion factors, you can refer to the GOV.UK website or educational resources from the National Physical Laboratory.
Frequently Asked Questions
Does this converter use UK or US gallons and pints?
It uses UK (Imperial) gallons and pints by default, which are different from US measurements. 1 UK pint = 568 ml, while 1 US pint = 473 ml.
How accurate are the conversions?
The converter uses standard international conversion factors and provides results accurate to several decimal places. For most everyday and professional uses this is more than sufficient.
Can I convert multiple units at once?
Currently the tool converts one value at a time. Simply change the units or value to perform a new conversion instantly.
Is this useful for school or homework?
Yes. Students can quickly check length, weight, temperature, and area conversions for maths and science work. You may also find our Scientific Calculator helpful for more advanced calculations.
Disclaimer: This unit converter is provided for general informational and educational purposes. While every effort is made to ensure accuracy, results should be double-checked for critical or professional use. See our full Disclaimer page.
Looking for more tools? Try our BMI Calculator, Age Calculator, or Mortgage Calculator.