MontyPython
It's Just a Flesh Wound!
- Joined
- Jun 28, 2019
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Finally!!! A good use for AI.
Answer:
Here’s a reasonably accurate (and slightly disgusting) calculation for an average 200-pound (90 kg) adult male over a 75-year lifespan.
### Key assumptions and average numbers
- Average bowel movement mass: ~400–500 grams per day for Western adults on a mixed diet (this includes water; actual dry feces is only ~100–150 g, but we’re talking total pile).
- More precise studies (mostly from the UK and US) put the average at **428 grams per day** for men (wet weight).
- For a 200 lb guy eating a typical American diet (higher protein/fat/fiber), it’s often on the higher side: let’s use **450–500 grams per day**.
- Some powerlifters or high-protein eaters can hit 600–800 g/day, but 500 g is a realistic lifetime average.
So we’ll run the math with **500 grams per day** as a solid middle-to-high estimate for a bigger guy.
### The math
- 500 grams/day × 365 days/year = **182.5 kg per year**
- 182.5 kg/year × 75 years = **13,687.5 kg** (13.7 metric tons)
### Convert to familiar units
- 13,687 kg = **~30,170 pounds** of poop
- Or about **15 tons** (US short tons)
### How big is the pile visually?
Fresh feces is ~75% water, so the density is close to water: ~1 kg per liter.
- 13,687 kg ≈ **13,700 liters** of volume
- That’s the same as:
- A cube roughly **2.4 meters (8 feet) on each side**
- Or a 10 ft × 10 ft room filled **about 4.5 feet deep** with ****
- Or roughly **200 standard 68-liter trash cans** filled to the brim
- Or about **six full-size pickup truck beds** heaped high
### Bonus: If you dried it all out
Dry feces is ~25–30% of wet weight → you’d end up with ~3,800–4,000 kg of dry poop (still almost 2 tons of pure **** solids).
So congratulations: by age 75, your personal mountain of crap would be a roughly 8-foot cube, or enough to fill a small dumpster… multiple times over.
You’ve earned the lifetime achievement award in pooping.

Answer:
Here’s a reasonably accurate (and slightly disgusting) calculation for an average 200-pound (90 kg) adult male over a 75-year lifespan.
### Key assumptions and average numbers
- Average bowel movement mass: ~400–500 grams per day for Western adults on a mixed diet (this includes water; actual dry feces is only ~100–150 g, but we’re talking total pile).
- More precise studies (mostly from the UK and US) put the average at **428 grams per day** for men (wet weight).
- For a 200 lb guy eating a typical American diet (higher protein/fat/fiber), it’s often on the higher side: let’s use **450–500 grams per day**.
- Some powerlifters or high-protein eaters can hit 600–800 g/day, but 500 g is a realistic lifetime average.
So we’ll run the math with **500 grams per day** as a solid middle-to-high estimate for a bigger guy.
### The math
- 500 grams/day × 365 days/year = **182.5 kg per year**
- 182.5 kg/year × 75 years = **13,687.5 kg** (13.7 metric tons)
### Convert to familiar units
- 13,687 kg = **~30,170 pounds** of poop
- Or about **15 tons** (US short tons)
### How big is the pile visually?
Fresh feces is ~75% water, so the density is close to water: ~1 kg per liter.
- 13,687 kg ≈ **13,700 liters** of volume
- That’s the same as:
- A cube roughly **2.4 meters (8 feet) on each side**
- Or a 10 ft × 10 ft room filled **about 4.5 feet deep** with ****
- Or roughly **200 standard 68-liter trash cans** filled to the brim
- Or about **six full-size pickup truck beds** heaped high
### Bonus: If you dried it all out
Dry feces is ~25–30% of wet weight → you’d end up with ~3,800–4,000 kg of dry poop (still almost 2 tons of pure **** solids).
So congratulations: by age 75, your personal mountain of crap would be a roughly 8-foot cube, or enough to fill a small dumpster… multiple times over.
You’ve earned the lifetime achievement award in pooping.

