Didn't see what you were looking for? Try with Google

Printing Resolutions

Digital printing resolution schematic from devianart

As a general rule, it is recommended to work with a minimum of 150 PPI (Pixel Per Inch) if you plan to print your work.

330 PPI gives excellent results but the file size will be much larger.

Size(in.)	Size(cm.)	Image Size(pixels)		Aspect Ratio

Prints
		Recommended Minimum	Excellent
3.5x5	9x13	525x750	1050x1500	1.43:1
4x5	10x13	600x750	1200x1500	1.25:1
4x6	10x15	600x900	1200x1800	1.50:1
4x8	10x20	600x1200	1200x2400	2.00:1
5x5	13x13	750x750	1500x1500	1.00:1
5x7	13x18	750x1050	1500x2100	1.40:1
8x8	20x20	1200x1200	2400x2400	1.00:1
8x10	20x25	1200x1500	2400x3000	1.25:1
8x12	20x30	1200x1800	2400x3600	1.50:1
8.5x11	22x28	1275x1650	2550x3300	1.29:1
9x12	23x30	1350x1800	2700x3600	1.33:1
10x10	25x25	1500x1500	3000x3000	1.00:1
10x12	25x30	1500x1800	3000x3600	1.20:1
10x15	25x38	1500x2250	3000x4500	1.50:1
10x25	25x64	1500x3750	3000x7500	2.50:1
11x14	28x36	1650x2100	3300x4200	1.27:1
12x18	30x46	1800x2700	3600x5400	1.50:1
16x16	41x41	2400x2400	4800x4800	1.00:1
16x20	41x51	2400x3000	4800x6000	1.25:1
16x24	41x61	2400x3600	4800x7200	1.50:1
16x40	41x102	2400x6000	4800x12000	2.50:1
18x24	46x61	2700x3600	5400x7200	1.33:1
20x20	51x51	3000x3000	6000x6000	1.00:1
20x24	51x61	3000x3600	6000x7200	1.20:1
20x30	51x76	3000x4500	6000x9000	1.50:1
22x55	56x140	3300x8250	6600x16500	2.50:1
24x24	61x61	3600x3600	7200x7200	1.00:1
24x36	61x91	3600x5400	7200x10800	1.50:1
24x60	61x152	3600x9000	7200x18000	2.50:1
30x30	76x76	4500x4500	9000x9000	1.00:1
30x40	76x102	4500x6000	9000x12000	1.33:1
30x45	76x114	4500x6750	9000x13500	1.50:1
36x36	91x91	5400x5400	10800x10800	1.00:1


Puzzle
		Minimum	Excellent
10x14	25.5x35.5	1500x2100	3000x4200	1.40:1

Calendar
		Minimum	Excellent
11x8.5	28x22	1650x1275	3300x2550	1:29:1


Coaster
		Minimum	Excellent
3.75x3.75	9.5x9.5	750x750	1130x1130	1.00:1
Note: Coasters have 3/8" round corners. It is recommended to not place any text, borders and other important elements in these areas or else said elements might get cropped off in the production process.

Postcard
		Recommended Minimum	Excellent
4x6	10x15	600x900	1200x1800	1.50:1

Greeting Card
		Minimum	Excellent
5x7	13x18	750x1050	1500x2100	1.40:1

Magnet
		Minimum	Excellent
Small (2.38x3.38)	6x8.5	355x505	710x1010	1.42:1
Large (3.38x4.88)	8.5x12	505x710	1010x1420	1.41:1
Note: Magnets have 1/4" round corners. It is recommended to not place any text, borders and other important elements in these areas or else said elements might get cropped off in the production process.

Mug
		Minimum	Excellent
Small (11oz) 8.25x3.25	20x8	1240x490	2480x980	2.53:1
Large (15oz) 8.25x3.25	20x8	1240x490	2480x980	2.53:1

Mouse Pad
		Minimum	Excellent
9.25x7.75	23.5x20	1390x1165	2775x2325	1.19:1
Note: Mouse Pads have 1" round corners. It is recommended to not place any text, borders and other important elements in these areas or else said elements might get cropped off in the production process.