Speed Percentage Calculator
Convert between frame rates and playback speeds for perfect slow motion and time-lapse calculations.
Professional Calculator in Your Pocket
Calculate exact playback speeds for any combination of capture and playback frame rates.
Slow motion percentage calculator
Time-lapse interval calculator
Duration change predictions
Common speed presets
Lightning Fast
Get instant calculations without waiting for web pages to load
40%
60fps played at 24fps
Everything You Need for Professional Work
Professional speed calculation tools for creative frame rate workflows.
Slow Motion
Calculate exact slow motion percentages for smooth playback at any frame rate.
Creative control
Time-lapse
Calculate intervals and final duration for stunning time-lapse sequences.
Interval planning
Audio Sync
Understand audio pitch changes and sync considerations for speed ramping.
Post workflow
Professional Speed Percentage Calculator Calculator in Your Pocket
Professional calculator app designed specifically for filmmakers. Twelve essential tools including speed percentage, timecode math, and aspect ratio calculations.
Frame-accurate calculations for speed percentage calculator
Works completely offline
Instant results with no ads
Universal app - one purchase works on all your Apple devices
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Speed Percentage Calculator
iOS
iPadOS
macOS