Conversion hub

Weight & Mass Converters

Convert between kilograms, pounds, grams, ounces and stone. Instant weight converters with formulas, tables and examples.

By MerQPrime Editorial TeamUpdated 2026-06-20Reviewed 2026-06-20Editorial policy

About weight conversions

Weight is quoted in metric units (grams and kilograms) almost everywhere, but pounds, ounces and stone remain standard in the US and UK for body weight, cooking and shipping. Converting between these systems is essential for recipes, fitness, parcels and product labels.

All weight conversions here use precise international factors based on the kilogram. Use the converters below to move between kg, lbs, grams, ounces and stone instantly.

Key formulas

Kilograms to pounds

lbs = kg × 2.204623

Pounds to kilograms

kg = lbs × 0.453592

Grams to ounces

oz = g × 0.035274

Stone to kilograms

kg = stone × 6.350293

Popular weight conversions

kg to lbs lbs to kg grams to ounces ounces to grams stone to kg kg to grams

Worked examples

•70 kg is about 154.3 lbs.
•500 g is roughly 17.6 ounces.
•11 stone equals about 69.9 kg.

Popular exact weight conversions

Instant answers for the specific amounts people search most.

1 kg to lbs 2 kg to lbs 5 kg to lbs 10 kg to lbs 20 kg to lbs 50 kg to lbs 60 kg to lbs 70 kg to lbs 80 kg to lbs 100 kg to lbs 1 lbs to kg 2 lbs to kg

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Frequently asked questions

How do I convert weight units?

Pick the weight converter you need below, type a value, and the result appears instantly in your browser. Each pair uses the exact international factor — for example, kilograms to pounds: lbs = kg × 2.204623.

Which weight conversions are most common?

The most-used weight conversions are kg to lbs, lbs to kg, grams to ounces. Each has a dedicated page with a calculator, formula, conversion table and FAQs.

Are these weight converters accurate?

Yes. Every conversion uses standard international factors and precise floating-point math, suitable for everyday, academic and professional use.

Is my data sent to a server?

No. All conversions run locally in your browser on MerQPrime. Nothing you type is uploaded.