Unit converters
Length, weight and temperature conversions using exact international definitions, each with a reference table for the values people look up most.
9 free tools
Length Converter
Convert any length between metric and imperial units — instantly, both ways.
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CM to Inches Converter
Turn centimetres into inches for heights, screen sizes, clothing and DIY measurements.
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Inches to CM Converter
Convert inches to centimetres exactly — handy for screens, waist sizes, paper and furniture.
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Weight Converter
Convert any weight between metric and imperial units, including stone.
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KG to LBS Converter
Convert kilograms to pounds for body weight, luggage allowances and parcel shipping.
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LBS to KG Converter
Convert pounds to kilograms exactly — for gym weights, body weight and parcels.
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Temperature Converter
Convert temperatures between °C, °F and K — for weather, cooking, science and health.
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Celsius to Fahrenheit Converter
Convert °C to °F for weather forecasts, oven temperatures and fever checks.
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Fahrenheit to Celsius Converter
Convert °F to °C for US recipes, weather and thermometer readings.
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