Conversion

Convert grams to kilograms or kilograms to grams using the exact 1,000 grams per kilogram relationship.

Convert a Kelvin temperature to degrees Celsius. Check the Celsius value and avoid invalid readings below 0 K.

Convert a Celsius temperature to kelvins, or convert a Celsius temperature change to the same-size kelvin change.

Convert feet to yards or yards to feet with exact unit rules, rounding control, and optional fraction results in yards.

Convert yards to feet fast, including decimal or fraction-style yards, plus feet-and-inches and inches for easy double-checking.

Convert square feet to acres using the exact 43,560 square feet per acre relationship and choose your display rounding.

Convert acres to square feet fast, and optionally see the side length of an equal-area square lot in feet.

Convert liters to pints with the right pint type: US liquid, Imperial, or US dry, plus all side-by-side equivalents.

Convert US liquid or UK imperial pints to liters, or convert liters to pints using the correct pint size.

Convert mL to liters or liters to mL with clear rounding, reverse mode, and an optional common container comparison.