FITMENT CALCULATOR™ 3000
WHAT PEOPLE ARE SAYING
"I tried to fit it into a Dyson vacuum attachment. Thanks to this site, I now know it was a terrible idea." – ★★★★☆
"My wife left me, but at least I know it fits in a cereal box." – ★★★☆☆
"Finally, real science applied where it matters." – ★★★★★
"NASA consulted this before launching Artemis II." – ★★★★★
"It didn’t fit. Now I’m banned from The Garden Centre." – ★★☆☆☆