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Free unit converters

Six everyday converters in one place. Enter a number, pick the units, and get the answer instantly — with a short guide under each one so you know what the result means. Free, no sign-up, everything runs in your browser.

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Length converter

How to use: enter a length, choose the unit it is in, then choose the unit you want. Good to know: 1 mile = 1.609 km, 1 foot = 30.48 cm, 1 inch = 2.54 cm. Useful when a size chart, a room size or a fabric length is given in a unit you do not use.

Enter a value to convert.

Common conversions

  • 1 mile = 1.609 kilometres
  • 1 yard = 0.914 metres
  • 1 foot = 12 inches = 30.48 cm
  • 5 km = 3.11 miles

Weight converter

How to use: enter a weight and pick both units. Good to know: 1 kg = 2.205 lb, 1 lb = 16 oz. Useful for recipes, luggage limits and online orders that list weight in pounds.

Enter a value to convert.

Common conversions

  • 1 kg = 2.205 lb
  • 1 lb = 453.6 grams
  • 1 stone = 6.35 kg
  • 23 kg luggage = 50.7 lb

Temperature converter

How to use: enter a temperature and pick both scales. Good to know: water freezes at 0 °C (32 °F) and boils at 100 °C (212 °F). Useful for recipes, weather in another country and iron or oven settings.

Enter a temperature to convert.

Common conversions

  • 0 °C = 32 °F
  • 20 °C = 68 °F
  • 37 °C = 98.6 °F (body temperature)
  • 180 °C = 356 °F (baking)

Volume converter

How to use: enter a volume and pick both units. Good to know: 1 US gallon = 3.785 litres, 1 US cup = 236.6 ml. Useful for cooking, drinks and fuel — note that US and UK gallons are different, so check which one your recipe uses.

Enter a value to convert.

Common conversions

  • 1 litre = 1000 ml
  • 1 US gallon = 3.785 litres
  • 1 US cup = 16 tablespoons
  • 1 tablespoon = 3 teaspoons

Area converter — including marla & kanal

How to use: enter an area and pick both units. Good to know: in Pakistan, land is often measured in marla and kanal: 1 marla = 25.29 sq m (272.25 sq ft) and 1 kanal = 20 marla = 505.86 sq m. Useful for house plots, rooms and fabric bought by area.

Enter a value to convert.

Common conversions

  • 1 marla = 272.25 sq ft
  • 1 kanal = 20 marla = 5,445 sq ft
  • 1 acre = 43,560 sq ft
  • 1 hectare = 2.471 acres

Speed converter

How to use: enter a speed and pick both units. Good to know: 100 km/h = 62 mph. Useful for driving abroad, running pace and travel times.

Enter a value to convert.

Common conversions

  • 60 mph = 96.6 km/h
  • 10 m/s = 36 km/h
  • 1 knot = 1.852 km/h

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