Weight and shipping converters
Convert between kilograms, pounds, grams and ounces. Includes a luggage packing calculator for airline weight limits. Instant results for shopping, travel and shipping.
Last updated: May 2026
Core weight converters
Most weight conversions come up when buying imported goods, checking luggage limits or comparing fitness and nutrition figures across metric and imperial sources.
Shipping and travel
Before you travel or ship a package, knowing the exact weight against an allowance saves time and avoids surcharges.
When you need a weight converter
Weight is the most practical unit to get wrong. An airline states limits in kilograms, a fitness app in pounds, a US product listing in ounces. Converting before you act â packing a bag, ordering goods, reading a recipe â prevents the kind of small arithmetic error that causes a fee or a failed batch.
The safe rule: check the unit on the limit or target before converting, not after.