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Mass Converter

Convert kilograms, pounds, grams, ounces, tons, tonnes, stones & more

Common Mass Conversions

The most frequently searched mass conversions: kilograms to pounds (1 kg ≈ 2.20462 lbs), pounds to kilograms (1 lb ≈ 0.453592 kg), grams to ounces (1 g ≈ 0.035274 oz), ounces to grams (1 oz ≈ 28.3495 g), metric tonnes to US tons, and stones to kilograms.

Metric vs. Imperial Mass Units

The metric system uses grams (g), kilograms (kg), and tonnes (1000 kg). The imperial/US system uses ounces (oz), pounds (lb), stones, and tons. Note that a metric tonne (1000 kg) differs from an imperial long ton (1016 kg) and a US short ton (907 kg).

About This Converter

Part of MetricToImperial.com, providing free accurate unit conversions since 2007. Also try the ImperialToMetric.com interactive converter for 100+ unit categories in one place.

Metric to Imperial Converter App — Get it on Google Play