Instantly convert between Kilograms, Pounds, Grams, Ounces, and more. Essential for cooking, shipping, science, and health tracking.
Get accurate mass conversions in 3 easy steps.
Type the value you want to convert into the main input box.
Choose the unit you are converting from (e.g., Kilograms, Pounds) using the dropdown.
Instantly see the converted values for all other units. Click the icon to copy any result.
Calculated using up to 8 decimal places for scientific accuracy.
No need to switch tabs. See Kilograms, Pounds, Stones, and Ounces simultaneously.
Seamlessly bridge the gap between US/UK standards and the rest of the world.
Convert recipe ingredients from ounces to grams for precise baking.
Track body weight progress by converting between lbs, kg, and stones.
Calculate shipping weights for international freight (metric tons vs lbs).
Convert experimental mass data between milligrams and grams.
Weight measurement systems vary globally. The Metric system uses grams and kilograms, while the Imperial/US Customary system uses ounces, pounds, and stones.
Used worldwide for trade, science, and daily life (except in the US, Myanmar, and Liberia). It scales by factors of 1000.
Used in the United States and partially in the United Kingdom. It has historical roots based on older standards.
1 Kg ≈ 2.205 Lbs. This is the most common conversion for body weight and gym weights.
1 Ounce ≈ 28.35 Grams. Critical for baking and precise cooking measurements.
From Kitchens to Cargo.
Checking airline baggage limits (usually 23kg or 50lbs)? Baking a cake with a US recipe? Use this tool to ensure you get the numbers exactly right.
High precision conversions.
A Stone (st) is an imperial unit of mass equal to 14 pounds. It is commonly used in the UK and Ireland for measuring body weight.
"lb" is the singular symbol for a pound (from Latin *libra*), while "lbs" is the plural form. Both refer to the same unit of weight.
We use standard conversion factors (e.g., 1 kg = 2.20462262 lbs) and display results with up to 5 decimal places. It is accurate enough for scientific, medical, and industrial use.
A Metric Ton (tonne) is equal to 1,000 kilograms. It is different from the US "Short Ton" (2,000 lbs) and the UK "Long Ton" (2,240 lbs).
Boost your productivity with our suite of SEO, Dev, and Converter tools.