Sam Gorman

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.

Convert decimal stones or mixed stones and pounds into total pounds using the exact conversion of 14 pounds per stone.

Convert stones to ounces, including decimal stones or stones plus extra pounds and ounces. Shows pounds and decimal-stone checks.