The Drake Equation Mug

Seven unknowns, one very large question.

$19

Size:

Size Chart

How to Measure - T-Shirts

T-shirt measurement guide: A length, B chest, C sleeve

A. Length: From the highest point of the shoulder, beside the collar, straight down to the bottom hem.
B. Chest: Around the fullest part of the chest, keeping the tape level.
C. Sleeve: From the center back of the collar, along the top seam to the sleeve hem.

Imperial (in) Metric (cm)

Size	Length (in)	Chest (in)	Sleeve (in)
S	28	34-37	15.1
M	29	38-41	16.5
L	30	42-45	18
XL	31	46-49	19.5
2XL	32	50-53	21
3XL	33	54-57	22.4

Measured in inches, may vary up to 2" (5 cm).

Size	Length (cm)	Chest (cm)	Sleeve (cm)
S	71	86-94	38
M	74	97-104	42
L	76	107-114	46
XL	79	117-125	50
2XL	81	127-135	53
3XL	84	137-145	57

Measured in cm, may vary up to 5 cm (2").

11oz 15oz

Variant

Shipping Printed in the USA
Tracked · 3-6 business days

Also available as

T-shirt$23

Sweatshirt$35

QUANTITY

1

Glossy White
Ceramic

Ships in 1-2
Business Days

Free Shipping
Included

ABOUT THE DESIGN

Frank Drake's 1961 equation estimates how many alien civilisations in our galaxy we might be able to detect, by multiplying seven factors together.

DETAILS

Holds the coffee. Delivers the joke.

The design is printed once, on the side that faces out when you hold the mug in your right hand, with a small GEEK CO. mark on the other.

Glossy ceramic

Durable white ceramic with a shiny finish and a comfortable C‑handle.

Vibrant colours

Printed with the latest techniques for bright, crisp colours that last.

Microwave safe

Safe to heat your coffee, tea or soup in the microwave.

Dishwasher safe

Goes straight in the dishwasher with everything else.

Sizes: 11oz (0.33 l) · 15oz (0.44 l)
Safe: Lead-free and BPA-free

SHIPPING & RETURNS

Made for you, then sent your way.

Every mug is printed in the USA when you order it, then shipped with full tracking. Shipping is included in the price.

Production: 1-2 business days
USA: 3-6 days in transit
Shipping: Free, included in the price

Something not right?

Misprinted, damaged or the wrong item? Email contact@geek-t-shirts.com within 30 days of delivery with your order number and a photo, and we'll replace it or refund you.

We can't accept returns for a change of mind.

Shipping policy · Refunds & returns