Girl Math: Plate Calculator
Barbell math for heavy lifters
About
This app simplifies barbell weight calculations for lifters. Quickly determine the plates needed for your target weight, or calculate the total weight from the plates on the bar. Customize with your gym's bar weight and available plates.
What's New in Girl Math
1.0
August 3, 2026
Subscription plans
Girl Math Pro
Warm-ups, PRs, timers & themes, all plated for you.
FAQ
What is Girl Math?
Girl Math is a barbell calculator designed to help lifters quickly determine the correct plates for their target weight. It simplifies the process of adding plates to the bar, allowing users to focus on their lifts.
How does Girl Math calculate plates?
You enter your target weight, and Girl Math shows you exactly which plates go on each side of the barbell. It can also work in reverse, calculating the total weight based on the plates you've loaded.
Can I customize Girl Math for my gym?
Yes, you can set your specific bar weight and the plates that are available at your gym. This ensures the calculations are accurate for your environment.
Does Girl Math support both pounds and kilograms?
Yes, Girl Math supports both pounds (lb) and kilograms (kg). Your preferred unit of measurement is remembered for convenience.
What features are included in Girl Math Pro?
Girl Math Pro unlocks features like warm-up ladders, PR tracking with shareable cards, PR percentages, an interval timer, lift history with progress charts, and custom themes.
How much does Girl Math Pro cost?
Girl Math Pro offers subscription plans for monthly ($4.99) and yearly ($39.99) access, both including a 7-day free trial. Prices are displayed in the app before purchase.
How do I cancel my Girl Math Pro subscription?
You can manage or cancel your subscription anytime through your App Store account settings. Cancellation must be done at least 24 hours before the end of the current billing period to avoid renewal.
Is Girl Math suitable for all ages?
Girl Math has an age rating of 17+, indicating it is intended for mature users. This is likely due to the context of weightlifting and potentially complex fitness tracking features.