📅 Published on: October 18, 2025
I need rule of 3 way more often than I think I actually do, especially when designing 3D models, so might as well make my own calculator since 99% of the sites I find are ad filled and actually make requests taking forever for maths that should actually be quick.
The inverse can be used for temporal stuff e.g. if 6 people build a house in 10 weeks, 3 people will need 20.
The history of operations will stay until page refresh.
Proportions:
| Input | Output |
|---|---|