Frame Rate Converter

Calculate frame counts and duration changes when converting between frame rates.

Duration

sec

Source Frame Rate

fps

Target Frame Rate

fps

Tab to move between fields

Source Frame Count

1,440

Target Frame Count1,800

Adjusted Duration48 sec

Speed Multiplier1.25×

Frame Difference360

How to Use This Calculator

Enter Source FPS — the frame rate at which the clip was originally captured.
Set Target FPS — the delivery frame rate for your project (e.g., 24, 25, 29.97, 60).
Input Clip Duration in seconds to calculate total frame counts.
Source Frame Count and Target Frame Count show the absolute frames at each rate.
Adjusted Duration (sec) reveals how long the clip will run after retiming.
Speed Multiplier above 1.0 means the clip will play faster; below 1.0 it slows down.

How the result changes with Duration

Identify Input Parameters
Duration = 60, Source Frame Rate = 24, Target Frame Rate = 30 = 3 input(s) provided
Calculate Source Frame Count
Source Frame Count
1440 = 1440
Calculate Target Frame Count
Target Frame Count
1800 = 1800
Calculate Adjusted Duration
Adjusted Duration
48 = 48