Studio Calculator2.1 - App Store

Studio Calculator is your go-to app for fast, smart, and accurate music-related calculations. Simply add the values you know and the app will intelligently figure out what it can calculate for you..

No more digging through menus or websites mid-session. Stay in focus and get instant answers for:

BPM & tempo calculations
Delay & phase alignment
Time-stretch & pitch shift
Duration & file size
Frequency to MIDI note
Frame-based timing for video

...and much more
### Real-World Examples:
. Microphone delay in samples?
Just enter the distance in meters. The app gives you time in seconds, samples, and more (automatically adjusted to your sample rate)

. Need all delay times for a BPM?
Tap or enter the BPM-see delay times in ms, seconds, or Hz instantly.

. Have a 2-bar loop and want the BPM?
Enter the loop length in seconds or samples and the number of bars and get the correct BPM for any time signature.

. Changing from 440 Hz to 432 Hz?
Input both frequencies and get the pitch shift in semitones and the time-stretch percentage.

. Song duration from BPM and bars?
Enter BPM and bar count, total time is calculated.

. Working in 6/8?
Input your metronome tempo to get the DAW’s BPM.

. Total time of multiple songs?
Add all times and get the sum.

. Need to know disk space for a 75-minute multitrack?
Enter the time, set your sample rate, bit depth, and channel count; your file size is calculated.
### Features:
. Clean, minimalist UI with dark mode
. Copy any result and reuse it as new input.
. Tap tempo input for fast and accurate BPM entry
. Supports irregular, simple, and compound time signatures
. Accurate 64-bit floating-point calculations
. Share an image of your calculation
. Built-in support for 9 standard frame rates
. Frequency -> MIDI note conversion
. File size calculations based on duration and audio specs
. Customizable: sample rate, bit depth, channel count, time signature, tuning and frame rate
. Collapsible results for a clean overview
### The Studio Calculator is your perfect assistant. Give it the values you have, and it will calculate everything there is to know.

More calculations are coming! If you’re missing a calculation, let us know, your feedback is much appreciated.

Version History • Added full support for Logic Length calculations, enabling region-length calculations combined with duration or tempo.
• Added a setting to show or hide file size calculations. 2.1 Feb 1 - Major speed and usability upgrade! No more tapping “Calculate” to see your answer. Show what we know! Results now appear instantly, and can be saved on the paper tape if you need them later. You’ll see what I mean, I hope you’ll like it.
- Share your results! You can create and share an image of any calculation. Just tap the new share icon at the bottom of the answer.
- And along with these major improvements we redesigned some parts of the app, not for your ears, but for your eyes.
- High-resolution calculations were always there; now you can actually see them. Just toggle the button. 2.0 10/29/2025 - Added tuning setting for people who want to experiment.
- Better UX and design, and the return of the + sign by popular demand.
- Better manual and startup tutorial. 1.7 07/23/2024 - BPM tap function reached precision-A status. More accurate than ever seen before.
- Much improved UI coloring and layout.
- Better manual text.
- Fixed bug in Logic Length calculations.
- Many under the hood improvements and performance enhancements. 1.6 09/01/2023 - fix for background color in iOS 16.3 on some devices. 1.5 03/10/2023 - added percentage difference calculation for DJ's and DJ tools when matching BPM's.
- added Logic length calculation for song duration calculations. (so now you can calculate any delay time to Logic ticks!
- some minor design enhancements and improvements 1.4 01/06/2023 - Tap tempo settings now saved between sessions.
- New and better examples to show how the app can work for you.
- Added new tutorial for first start-up. 1.3.1 06/30/2022 - Highly optimised input method! Huge tap saver for every input you'll ever do.
- Design enhancements and better answers.

If you have any request or feedback please feel free to send an email to us! (Also on the info page) 1.3 05/14/2022 - When you copy a number it will also be copied to the clipboard to use in another app.
- Added button to delete multiple inputs.
- Better answers.

App Store reviews are very helpful. If you like Studio Calculator, would you mind taking a moment to write a nice review? We’d greatly appreciate it. 1.2.1 04/17/2022 - Added 32 bit and 64 bit file size calculations.
- Added optional number of mono audio channels as a settings. For better suited file size calculations.
- And for those who don't use video: added switch to show or hide frames count calculations in the answers.
- Better layout of answers.
- After input of a time the cursor will jump back to the hours field for faster input. You can use the decimal separator to jump to the next field.
- Some graphic tweaks, like better note symbols.
- After adding time the cursor will jump back to hour indicator. PowerTip: using the comma you can jump to the minutes or seconds textfields.
- Added some examples to better show you what this app can do for you.

Any questions, suggestions or requests? Please send an email with your feedback (email on the bottom of the information page).

App Store reviews are very helpful. If you like Studio Calculator, would you mind taking a moment to write a nice review? We’d greatly appreciate it. 1.2 03/14/2022 - Better answers, more consistency and removed some redundancy.
- Under the hood code improvements.

Any questions, suggestions or requests? Please send an email with your feedback (email on the bottom of the information page).

App Store reviews are very helpful. If you like Studio Calculator, would you mind taking a moment to write a nice review? We’d greatly appreciate it. 1.1.3 02/19/2022 - Added full screen button to resize the answers list.
- Bigger collapse button to make life just that little bit better.
- There was this thing when you added a negative semitone, the next number, when not a semitone, was negative again. And a negative BPM doesn't make any sense. Sorry for this. It is fixed now. 1.1.2 02/10/2022 - Added haptic feedback just because it feels good!
- Bigger input labels on the answers for full display.
- Some minor enhancements.

App Store reviews are very helpful. If you like Studio Calculator, would you mind taking a moment to write a nice review? We’d greatly appreciate it.

Any questions, suggestions or requests? Please send an email with your feedback (email in the information page). 1.1.1 02/02/2022 - Now you can collapse answers into small strip! Nice overview when you have many.
- Added semitone as input parameter. Calculate the new BPM, time or frequency after it is transposed up or down.
- Marked inputs that will not render an answer. It's now easier to navigate the possibilities.
- Better manual layout and information.
- Faster and cleaner code under the hood.

App Store reviews are very helpful. If you think Studio Calculator is worthy, would you mind taking a moment to write a nice review? We’d greatly appreciate it.

Any questions, suggestions or requests? Please send an email with your feedback (email in the information page). 1.1 01/27/2022 - New tap features Rounded and Average
- Full support for BPM and sheet tempi conversion in all time signatures
- Design enhancements
- Dark mode support 1.0.1 01/20/2022 1.0 01/02/2022