For those in a hurry, here's the magic number:
50 cm x 70 cm = 19.685" x 27.559"
For all practical purposes, everyone rounds this to 19.7 x 27.5 inches. This is the number you need.
It's not random.
It's not random. The 50x70 cm dimension is a cornerstone of international art and poster printing, and it's closely tied to the ISO 216 international standard for paper sizes.
The "Good Enough" Mental Trick: For a rough…
The "Good Enough" Mental Trick: For a rough estimate on the fly, just multiply the centimeter value by 0.4. It's surprisingly accurate.
While it seems close, for a 70 cm…
While it seems close, for a 70 cm print, it would give you 28 inches (70 / 2.5). The real value is 27.56 inches.
Framing Option Frame Size to Buy Pros Cons…
Framing Option
Frame Size to Buy
Pros
Cons
1. The Exact Metric Fit
50x70 cm Frame
Easiest option; perfect fit; no mat needed.
Choose a look (mat… Step 3: If Using…
Choose a look (mat…
Step 3: If Using a Mat, Get the Opening Size Right
This is where people mess up. The opening in the mat needs to be slightly smaller than your artwork to overlap it and hold it in place.
But a 20x28 inch frame will leave small,…
But a 20x28 inch frame will leave small, unsightly gaps around your 19.7x27.5 inch print. The art will slide around unless you meticulously mount it to a backing board, which is a hassle.
The mystery of 50x70cm to inches is officially…
The mystery of 50x70cm to inches is officially solved. It's 19.7 x 27.5 inches.