Free PDF · US Letter and A4
Frame Rate & Timecode Cheat Sheet
One page for the edit bay or the camera cart: the exact fractions behind 23.976 and 29.97, how many frames an hour holds, where drop-frame skips numbers, and shutter angles and slow-motion speeds at the rates you shoot.
1 page. Every figure checked against its source on October 17, 2026.
What’s on the sheet
- Every common rate from 23.976 to 120 with its exact fraction, frames per hour and how far its timecode drifts from the clock
- The drop-frame rules for 29.97 and 59.94, with the timecode-to-frames formula and worked examples
- Shutter angle to shutter speed at six frame rates, including flicker-safe angles for 50 Hz and 60 Hz mains
- Slow-motion speed and on-screen duration for capture rates from 48 to 240 fps
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A table from the sheet
The same figures as the PDF, so you can check them before you print.
| Rate | Exact fps | Frames / TC second | Frames in 1 h of clock time | Frames in TC 1 h | TC hour vs clock |
|---|---|---|---|---|---|
| 23.976 | 24000/1001 | 24 | 86,313.7 | 86,400 | +3.6 s |
| 24 | 24 | 24 | 86,400 | 86,400 | 0 |
| 25 | 25 | 25 | 90,000 | 90,000 | 0 |
| 29.97 NDF | 30000/1001 | 30 | 107,892.1 | 108,000 | +3.6 s |
| 29.97 DF | 30000/1001 | 30 | 107,892.1 | 107,892 | −3.6 ms |
| 30 | 30 | 30 | 108,000 | 108,000 | 0 |
| 48 | 48 | 48 | 172,800 | 172,800 | 0 |
| 50 | 50 | 50 | 180,000 | 180,000 | 0 |
| 59.94 NDF | 60000/1001 | 60 | 215,784.2 | 216,000 | +3.6 s |
| 59.94 DF | 60000/1001 | 60 | 215,784.2 | 215,784 | −3.6 ms |
| 60 | 60 | 60 | 216,000 | 216,000 | 0 |
| 119.88 | 120000/1001 | 120 | 431,568.4 | 432,000 | +3.6 s |
| 120 | 120 | 120 | 432,000 | 432,000 | 0 |
NDF timecode at a 1.001 rate runs 3.6 s an hour behind the clock (108 frames at 29.97). Drop-frame keeps it within 3.6 ms an hour: about 2.6 frames (86 ms) a day.
Sources
Checked on October 17, 2026. Spot an error or a newer version? Email support@cinemath.app.
Need a figure that isn't on the sheet? Work it out with the free Timecode Calculator or Speed Change Calculator in your browser.