Weight Guides

Reference guides for kilograms, pounds, grams, ounces, stone, carats, and practical rounding decisions.

Guides In This Topic

Use these guides when you need the reasoning behind weight conversion, not just the result.

When you already know the exact task, move from these support pages into the direct conversion or formatting tools.

Translate a metric scale or specification into avoirdupois pounds. The international avoirdupois pound is exactly 0.45359237 kg.

Return an avoirdupois pound value to the SI kilogram. The international avoirdupois pound is exactly 0.45359237 kg.

Express a small metric mass in avoirdupois ounces. Ounce means the avoirdupois mass ounce, not a fluid or troy ounce.

Convert an avoirdupois ounce value into grams. Ounce means the avoirdupois mass ounce, not a fluid or troy ounce.

Express a kilogram body-mass or reporting value as decimal stone. The stone is defined here as 14 avoirdupois pounds.

Return decimal stone to kilograms. The stone is defined here as 14 avoirdupois pounds.