Memory card storage sizes VS actual storage capacity
| Storage Size (1GB = 1024mb) | Usable Capacity (Approx) |
|---|---|
| 1GB | 961 MB (0.94 GB) |
| 2GB | 1,908 MB (1.86 GB) |
| 4GB | 3,880.96 MB (3.79 GB) |
| 8GB | 7,690.24 MB (7.51 GB) |
| 16GB | 15,360 MB (15 GB) |
| 32GB | 30,412.8 MB (29.7 GB) |
| 64GB | 60,958.72 MB (59.53 GB) |
| 128GB | 122,071 MB (119.21 GB) |
| 256GB | 244,140 MB (238.41 GB) |
| 512GB | 488,281 MB (476.83 GB) |
| 1,024GB (1TB, Terabyte) | 976,562 MB (953.67 GB) |
| 2,048GB (2TB, Terabyte) | 1,953,125 MB (1907.34 GB) |
| 4,086GB (4TB, Terabyte) | 3,906,2509 MB (3814.69 GB) |
| 8,192GB (8TB, Terabyte) | 7,812,500 MB (7629.39 GB) |
| 16,384GB (16TB, Terabyte) | 15,625,000 MB (15,287.80 GB) |
| 32,768GB(32TB, Terabyte) | 31,250,000 MB (30,517.57 GB) |
It's worth noting..
That this is the same for all flash memory
What does SDHC Class X Mean?
Well, the simple answer is it relates to the performance of the memory card - where the higher the number equals better performance. Take a look at this table for more information on current SDHC Classes.
| Class | Minimum performance | Application |
|---|---|---|
 Class 2 |
2 MB/s | SD video recording |
 Class 4 |
4 MB/s | High-definition video (HD) recording including Full HD (from 720p to 1080p/1080i) |
 Class 6 |
6 MB/s | |
 Class 10 |
10 MB/s | Full HD (1080p) video recording and consecutive recording of HD stills (high-speed data bus) |
 UHS Speed Class 1 (U1) |
10 MB/s | Real-time broadcasts and large HD video files (UHS bus) |
 UHS Speed Class 3 (U3) |
30 MB/s | 4K video files (UHS bus) |
So how many pictures can my camera store on a memory card?
|
Megapixels |
File size (MB) |
1GB |
2GB |
4GB |
8GB |
16GB |
32GB |
64GB |
128GB |
|
4MP |
1.2 |
715 |
1430 |
2861 |
5722 |
11444 |
22888 |
45776 |
91552 |
|
5MP |
1.5 |
572 |
1144 |
2288 |
4577 |
9155 |
18310 |
36620 |
73240 |
|
6MP |
1.8 |
476 |
953 |
1907 |
3814 |
7629 |
15258 |
30516 |
61032 |
|
7MP |
2.1 |
408 |
817 |
1634 |
3269 |
6539 |
13078 |
26156 |
52312 |
|
8MP |
2.4 |
357 |
715 |
1430 |
2861 |
5722 |
11444 |
22888 |
45776 |
|
10MP |
3.0 |
286 |
572 |
1144 |
2288 |
4577 |
9155 |
18310 |
36620 |
|
12MP |
3.6 |
238 |
476 |
953 |
1907 |
3814 |
7629 |
15258 |
30516 |
|
14MP |
4.2 |
204 |
408 |
817 |
1634 |
3269 |
6539 |
13078 |
26156 |
|
16MP |
4.8 |
178 |
357 |
715 |
1430 |
2861 |
5722 |
11444 |
22888 |
|
22MP |
6.6 |
130 |
260 |
520 |
1040 |
2080 |
4161 |
8322 |
16644 |
What about my DSLR? In Uncompressed RAW format?
|
Megapixels |
File size (MB) |
1GB |
2GB |
4GB |
8GB |
16GB |
32GB |
64GB |
128GB |
|
4MP |
12.0 |
71 |
143 |
286 |
572 |
1144 |
2288 |
4576 |
9152 |
|
5MP |
15.0 |
57 |
114 |
228 |
457 |
915 |
1831 |
3662 |
7324 |
|
6MP |
18.0 |
47 |
95 |
190 |
381 |
762 |
1525 |
3050 |
6100 |
|
7MP |
21.0 |
40 |
81 |
163 |
326 |
653 |
1307 |
2614 |
5228 |
|
8MP |
24.0 |
35 |
71 |
143 |
286 |
572 |
1144 |
2288 |
4576 |
|
10MP |
30.0 |
28 |
57 |
114 |
228 |
457 |
915 |
1830 |
3660 |
|
12MP |
36.0 |
23 |
47 |
95 |
190 |
381 |
762 |
1524 |
3048 |
|
14MP |
42.0 |
20 |
40 |
81 |
163 |
326 |
653 |
1306 |
2612 |
|
16MP |
48.0 |
17 |
35 |
71 |
143 |
286 |
572 |
1144 |
2288 |
|
22MP |
66.0 |
13 |
26 |
52 |
104 |
208 |
416 |
832 |
1664 |