Calcuweight
Barbell weight calculator for lifters
Frequently Asked Questions
How do I add a PR (Personal Record)?
To add or update a PR:
- Tap the "PRs" tab at the bottom of the screen
- Tap the "+" button or an existing lift
- Enter the lift name and your one-rep max (1RM)
- Tap "Save" to store your PR
Your PRs are saved locally on your device and used to quickly calculate percentages.
How do I select percentages of my PR?
Once you've added a PR:
- Go to the Calculator tab
- Select your lift from the dropdown
- Tap any percentage button (60%, 70%, 85%, etc.) to instantly calculate that weight
- The plate breakdown will automatically update showing exactly which plates to load
You can also enter a custom weight manually if needed.
How do I see the plate breakdown?
The plate breakdown appears automatically when you:
- Enter a target weight in the calculator
- Select a percentage of your PR
- Scan a workout board with your camera
The breakdown shows the plates needed for each side of the bar, starting with the heaviest plates first. The app accounts for your barbell weight (45 lbs standard) and shows the most efficient plate combination.
How do I use voice input?
Voice input makes it easy to enter percentages hands-free:
- Select your lift in the Calculator tab
- Tap the microphone icon
- Speak your percentages: "80, 85, 90"
- The app will calculate all weights instantly
Perfect when your hands are chalked up or holding equipment.
How do I scan a workout board?
The camera feature lets you scan workout boards:
- Tap the camera icon in the Calculator tab
- Point your camera at the workout board or whiteboard
- The app will read percentages and calculate your weights
- Review and tap to select the weights you need
No need to manually type anything - just snap and go.
Can I customize my equipment?
Yes! Go to the Equipment tab to customize:
- Bar weight (35, 45, or 55 lbs)
- Available plate weights
- Unit system (pounds or kilograms)
The app will always calculate the most efficient plate combination based on your available equipment.
Is my data stored anywhere?
No. All your data stays on your device. Calcuweight:
- Stores PRs locally on your iPhone
- Does not require an account
- Does not send data to any servers
- Works completely offline
Your personal records are private and secure.