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Everyday Estimation


1300 kg Small Automobile
70 kg Large Dog (Great Dane)
10 kg Bicycle
5 kg Cat
850 g Baseball Bat
270 g NCAA Volleyball
150 g Cell Phone
46 g Golf Ball
5 g Nickel Coin ($0.05)
2.5 g Penny Coin ($0.01)
1 g Currency Note (regardless of denomination)
600 mg Cotton Ball



43 km NIST to The Whitehouse
90 m Football Field (Length)
3.7 m Interstate Highway Lane (Width)
1 m NCAA Volleyball Net (Width)
153 mm Currency ($5 Bill)
66 cm NCAA Volleyball (Circumference)
19 cm Pencil
1 mm Thickness of a Dime
7 µm Average Human Hair



162 m²
(9 m) x (18 m)
NCAA Volleyball Court
616 cm²
(22 cm) x (28 cm)
Office Paper
550 mm2
(25 mm x 22 mm)
First Class U.S. Postage Stamp



1 ML Olympic Swimming Pool
235 L Bathtub
5 L Blood in Human Body
4L Full Human Stomach
3.79 L Gallon of Milk
355 mL Soda Pop Can
200 mL Juice Box
80 mL Empty Human Stomach
15 mL Eye Drop Bottle



5500 °C Surface of the Sun
100 °C Water Boils
37 °C Human Body Temperature
20 °C Room Temperature
0 °C Water Freezes



Created February 4, 2010, Updated October 25, 2021