Rule of three calculator
Direct proportion solver: if A relates to B, then C relates to X.
Find the unknown in a proportional relationship.
Cómo usar esta herramienta
- Enter the first pair (A and B).
- Enter the third value C.
- Read X, the proportional answer.
- Adjust for variations and compare.
Casos de uso típicos
- Scaling a recipe up or down.
- Finding paint or fertilizer coverage from a pilot patch.
Límites y advertencias
- Assumes a linear (direct) proportional relationship.
- Does not handle compound rule of three with three or more pairs.
Privacidad en esta página
Etiquetas de analítica de producto (si las añade después) deben cargarse solo tras el consentimiento. Este sitio no incluye rastreadores obligatorios de terceros.
The rule of three solves daily proportional questions like recipe scaling, paint coverage and unit pricing without a calculator app. Inputs stay in your browser.