Conversion

Convert minutes to months or months to minutes with average, 30-day, 31-day, or 28-day month lengths.

Convert seconds to months with average, 30-day, 31-day, or calendar-based month rules.

Convert square miles to hectares or hectares to square miles, with rounding plus acre and square kilometer checks.

Convert square miles to square meters with rounding, scientific notation, and a side-length check to avoid area-unit mistakes.

Convert sq mi to sq yd or sq yd to sq mi with rounding, acres, square feet, and the squared-unit factor.

Convert hectares to square miles with precise math, adjustable display rounding, and checks for common entry errors.

Convert hectares to square yards or back, with rounding, acres, square feet, and a same-area square side check.

Convert tons to stones with US short, metric, or UK long tons, plus decimal stones and stone plus pounds.

Convert tons to ounces or ounces to tons with choices for US short, metric, UK long, standard, and troy units.

Convert stones and optional pounds to US short tons, UK long tons, or metric tons with pounds and kilograms shown.