Ratio Calculator Select a calculation type, enter the required values, then click "Calculate". Calculation Type: Simplify Ratio (A:B) Solve A:B = C:X (Find X) Solve A:B = X:D (Find X) Value A: Value B: Value C: Calculate Result: Step-by-step Solution: Post navigation #1 Free Percentage Off Calculator 2025 #1 Free Rounding Calculator 2025