Worked exampleExported from Calvance
Design Delivery Workload
Estimate remaining design hours, daily effort and the gap against your available time when image quantities or revisions change.
View template and methodTime-lapse Shooting & Storage
Plan photo count, shooting time and storage from final video length. Compare the plan with available minutes and free space.
Worked exampleExported from Calvance
Exported by the iOS App After importing, edit the numbers in Calvance.
When to use it
One photograph becomes one output frame, with no removed or interpolated frames. Duration and frame rate must be positive; the rounded-up count may make the final video slightly longer. These sample settings are not camera recommendations. Interval and exposure must be positive; exposure must not exceed the start interval. Check writing time and the camera’s actual behaviour too. Include both files when saving RAW+JPEG. File size per photo must be positive; available time and space must be nonnegative.
Inputs
| Inputs | Default |
|---|---|
| Final video duration (s) | 20 |
| Output frame rate (1/s) | 30 |
| Exposure-start interval (s) | 5 |
| Exposure time (s) | 1 |
| File size per photo (MB) | 30 |
| Time available (min) | 60 |
| Space available (GB) | 20 |
Calculation method
Frame rate is expressed as frames per second using 1/s; one photo supplies one frame. Multiply video duration by this rate and round photo count upward. For N photos, shooting time is (N−1) start-to-start intervals plus the last exposure. Storage is photo count × file size. Results convert to minutes and GB; subtract needs from available time and space.
ceil(20 [Final video duration s] × 30 [Output frame rate 1/s]) → Photos
((Photos - 1) × 5 [Exposure-start interval s] + 1 [Exposure time s]) → Shoot time min
Photos × 30 [File size per photo MB] → Storage GB
60 [Time available min] - Shoot time min → Time left min
20 [Space available GB] - Storage GB → Space left GB
Change one input
Change final video length from 20 to 30 seconds. Photo count, shooting time and storage increase together. Negative remaining time or space means the plan exceeds that allowance.
| Result | Default | Changed |
|---|---|---|
| Photos | 600 | 900 |
| Shoot time (min) | 49.93 | 74.93 |
| Storage (GB) | 18 | 27 |
| Time left (min) | 10.07 | -14.93 |
| Space left (GB) | 2 | -7 |
Results are displayed to at most two decimal places; later formulas use unrounded values.
Scope and limits
- Interval means exposure-start to exposure-start; 1000 MB = 1 GB.
- Available time excludes setup/packing; free space is usable capacity.
- Check exposure, write time, trigger behaviour and battery separately.
Download and import into Calvance to edit the numbers. The canvas does not reject every invalid input; check the stated ranges.
How to import your template
We recommend using the latest version of Calvance.
- Save the file. Choose Download template and save the .calvx file to Files on your iPhone or iPad. From a computer, you can send it to your device with AirDrop.
- Open Import. In All Canvases in Calvance, tap the add button to open the template screen, then choose Import.
- Choose the file. Select the saved .calvx file to create your own canvas. Importing uses one canvas from your allowance.
- Edit and check. Check the results against the worked example, then add your numbers. Duplicate the canvas to keep different versions.
More calculations to try
Worked exampleExported from Calvance
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Compare the theoretical download time for one file at two connection speeds. Includes a worked example, Mbps-to-MB/s conversion and an editable Calvance canvas.
View template and methodWorked exampleExported from Calvance
Game Installation Storage Budget
Add three game installation sizes, allow for your chosen reserve and check how much extra space you need before installing.
View template and methodDifferent tasks.
Separate canvases.
Choose a plan when you need more canvases, high-resolution image exports, or sync across devices.