It's about as heavy as an Eye (Human)
It's about one-and-one-fourth times as heavy as a Quarter
In other words, 0.00000000000710 megatonnes is 1.2520 times the weight of a Quarter, and the weight of a Quarter is 0.79870 times that amount.(United States quarter-dollar coin) (a.k.a. Quarter dollar, a.k.a. America the Beautiful quarter, a.k.a. two bits)
The America the Beautiful series quarters, which began to enter circulation in 2017, weigh 0.000000000005670 megatonnes each. In answer to the common riddle, there are 119 ridges around the edge of the coin in its current design.
It's about one-and-two-fifths times as heavy as a sheet of Paper
In other words, the weight of a sheet of Paper is 0.710 times 0.00000000000710 megatonnes.(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
The weight of a ream (500 sheets) of 0.00000000910 megatonnes, 8.5 inch x 11 inch paper is 0.00000000200 megatonnes, each sheet weighing 0.00000000000500 megatonnes. Paper of this size has a thickness of 0.004 caliper (0.1 mm).
It's about three-fifths as heavy as a Battery (AAA)
In other words, 0.00000000000710 megatonnes is 0.590 times the weight of a Battery (AAA), and the weight of a Battery (AAA) is 1.70 times that amount.(Alkaline)
An "AAA" size battery weighs 0.0000000000120 megatonnes. Batteries are named by the American National Standards Institute (ANSI) Committee C18 and AAA batteries were given their name because they were smaller than the "AA" and "A" size batteries which were invented first.
It's about one-and-seven-tenths times as heavy as a Die (Dice)
In other words, the weight of a Die (Dice) is 0.590 times 0.00000000000710 megatonnes.(for six-sided, 16 mm, rounded cube)
A die, of the size most commonly used in board games and casinos, typically weight 0.00000000000410 megatonnes. The use of dice and dice-like tools predates written history, with the oldest known examples belonging to a 5,000-year old backgammon set uncovered during an archaeological dig in modern-day Iran.
It's about half as heavy as a Compact disc
In other words, 0.00000000000710 megatonnes is 0.470 times the weight of a Compact disc, and the weight of a Compact disc is 2.10 times that amount.(a.k.a. CD)
A compact disc typically weighs 0.0000000000150 megatonnes. Data is stored on CDs by encoding into the track a series of tiny pits — each between 3.5 and 850 µm (0.00014 and 0.033 in) in length.
It's about three times as heavy as a Penny
In other words, 0.00000000000710 megatonnes is 2.80 times the weight of a Penny, and the weight of a Penny is 0.360 times that amount.(United States) (formally one-cent coin) (Union shield design, 2010-present)
The weight of a United States penny is 0.00000000000250 megatonnes. According to a 2010 report by the United States Mint, the cost of manufacturing and distributing a penny is $0.0179 — more than its face-value.