Audio calculators
Plan audio file size before you export
Use SoundSlicr calculators to estimate MP3 size, WAV storage, bitrate tradeoffs, download time, and upload planning before opening a converter or compressor.
MP3 File Size Calculator
Estimate MP3 size from duration, bitrate, channel mode, and optional overhead.
Open calculatorWAV File Size Calculator
Estimate uncompressed WAV size from duration, sample rate, bit depth, and channels.
Open calculatorAudio Bitrate Calculator
Estimate file size, download time, storage needs, and practical bitrate choices.
Open calculatorUse calculators with the right tool
Estimate first, then choose the route that matches the job. Use Audio Converter for format changes, Audio Compressor for smaller MP3 delivery copies, and Supported Formats when you need codec and container context.