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Video production tools

The calculations we use ourselves in post and on set. Every tool shows its formula, data source, data tier and verification date.

How much a clip weighs

Clip weight from video and audio bitrate, plus the reverse calculation — how many seconds fit into a file.

What it calculates

  • File size in MB and GB from duration, video bitrate and audio bitrate.
  • Total stream bitrate in Mbit/s and kbit/s.
  • Reverse calculation: how many seconds fit into a file of a given size.

Data inside

Our ffmpeg export ladder (CRF 18 for H.264, CRF 20 for HEVC) on a synthetic 1920×1080@25 source.

Bour measurementVerified: 03 Nov 2026

Timecode and frames

Timecode, frame number, real duration and NDF drift at any frame rate.

What it calculates

  • Frame number for an HH:MM:SS:FF timecode at the selected frame rate.
  • Real duration and NDF timecode drift — 3.6 seconds per hour at 29.97 fps.
  • Seconds back to timecode, and frame count conversion between frame rates.

Data inside

Frame numbering and the drop-frame rule of the SMPTE 12M timecode standard.

Aprimary sourceVerified: 03 Nov 2026

How much storage on the card

Shoot size from codec, resolution and frame rate — per camera and in total.

What it calculates

  • The actual stream bitrate for the selected codec, resolution and fps.
  • Size of one camera over the given shooting time, in GB.
  • Total size for the camera rig, in GB and TB.

Data inside

Apple ProRes target bitrates from the white paper (tier A) and our ffmpeg measurement for H.264 and HEVC (tier B).

A/Bdepends on codecVerified: 03 Nov 2026

Safe zones for vertical video

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What it calculates

  • The safe area in pixels for the chosen frame format
  • The share of the frame that the interface does not cover
  • A ready PNG overlay to place over the frame in your editor

Data inside

safeZones.dataInside

A/Bdepends on codecVerified: 03 Nov 2026

Video editing cost calculator

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What it calculates

  • Cost per minute by video type and editing complexity
  • Add-ons for colour grading, sound design and subtitles
  • Multiplier for rush delivery

Data inside

kalkulyatorMontazha.dataInside

Bour measurementVerified: 07 Nov 2026

How we calculate

Every number in the calculators rests on a specific source: a vendor document or our own measurement. The formula, data tier and verification date are shown right in the interface — for each tool.

Methodology, data tiers and caveats