Weight lb(s). kg(s). lb(s). kg(s). Surface Areas sq. cm. sq. inch sq. foot sq. m. sq. yard sq. km. sq. mile acre sq. cm. sq. inch sq. foot sq. m. sq. yard sq. km. sq. mile acre Volumes cubic cm. cubic inch. cubic foot cubic m. fluid ounce(fl. Oz.) pint (pt.) quart (qt.) UK gallon (gal.) US gallon (gal.) l. cubic cm. cubic inch. cubic foot cubic m. fluid ounce(fl. Oz.) pint (pt.) quart (qt.) UK gallon (gal.) US gallon (gal.) l. Temperatures F C F C Speed mile km. mile km. Length mm. inch foot yard m. chain = 4 rods mile mm. inch foot yard m. chain = 4 rods mile