Ratio Calculator
Solve proportions, simplify mathematical ratios (A:B = C:D), and calculate scaling factors.
Calculation Inputs & Parameters
How the Calculation Works
Finds greatest common divisor (GCD) and solves proportional cross-multiplication.
Practical Worked Example
Given Inputs: 16:9 scaled to width 1920
Calculated Output: Height = 1080
- (9 × 1920) / 16 = 1080.