Conversion formula (estimation) about curtain size

The projection screen conversion formula can be used to convert the width and height of the Mob according to the size of the screen. The following data is for daily use only!
Generally speaking, the inch indicated by the projection screen refers to the diagonal of the picture: as shown below: 77.1 inches

The conversion formula for inches and meters is: 1 inch = 25.4 cm. The width and height conversion formulas for various formats of projection screen are:
16:9: Size *0.0221=Width Height = Width *0.5625 Unit: Meter
16:10: Size *0.0215=Width Height = Width *0.625 Unit: Meter
2.35:1: Size *0.0234=Width Height = Width *0.426 Unit: Meter
4:3: Size *0.02=Width Height = Width *3/4 or 0.75 Unit: Meter

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