Best Gym Weight Calculator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Out of 250+ gym weight calculator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Gym Weight Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Bar Is Loaded - Gym CalculatorBar Is Loaded - Gym CalculatorFree4.8★ (251)NoYesSep 2026
2Barbell Plate CalculatorBarbell Plate CalculatorFree was $4.994.8★ (236)YesYesSep 2026
3BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesSep 2026
4Gym Bar CalculatorGym Bar CalculatorFree5.0★ (3)NoYesMay 2026
5BMI Calculator‰BMI Calculator‰Free4.9★ (24K)YesNoSep 2026
6BarLoad Plate CalculatorBarLoad Plate CalculatorFree4.1★ (7)NoNoMay 2026
7Ovutek FitPalOvutek FitPalFree4.9★ (8K)NoNoSep 2026
8Weight GurusWeight GurusFree4.4★ (1K)NoNoAug 2026

Top Picks for Gym Weight Calculator Apps

Bar Is Loaded - Gym Calculator#1

Bar Is Loaded - Gym Calculator by Danny Li

It's leg day, not brain day.
Editor's Choice
💪 Health & Fitness
4.8😊(251 ratings)
FreeIn-App Purchases
Bar Is Loaded - Gym Calculator screenshot 1
Bar Is Loaded - Gym Calculator screenshot 2
Bar Is Loaded - Gym Calculator screenshot 3
Bar Is Loaded - Gym Calculator screenshot 4
Bar Is Loaded - Gym Calculator screenshot 5
Bar Is Loaded - Gym Calculator screenshot 6

This app simplifies weightlifting calculations, instantly determining the correct plates to load onto a barbell. It offers custom settings for inventory and a reverse calculator, along with tools for meet preparation and performance scoring.

What We Love

  • 👍 Extremely user-friendly and intuitive interface
  • 🚀 Fast and accurate plate loading calculations
  • 💰 Completely free with no ads or subscriptions
  • 🧠 Eliminates mental math during workouts

Room to Improve

  • 🐛 Frequent crashes and infinite loading screens
  • 🐛 5kg calculation glitch in reverse section
  • 🐛 Inconsistent weight calculations with kg plates
Barbell Plate Calculator#2

Barbell Plate Calculator by XD Software Solutions LLC

Plate math made simple
Strong Contender
💪 Health & Fitness
4.8(236 ratings)
FreeAdsIn-App Purchases
Barbell Plate Calculator screenshot 1
Barbell Plate Calculator screenshot 2
Barbell Plate Calculator screenshot 3
Barbell Plate Calculator screenshot 4
Barbell Plate Calculator screenshot 5
Barbell Plate Calculator screenshot 6

Easily calculate the barbell plates needed to reach a target weight or determine the total weight on a loaded bar. This app simplifies weightlifting math, allowing you to focus on your workout. It offers customizable options and a timer for tracking exercises.

BMI Calculator – Weight Loss#3

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Worth Considering
💪 Health & Fitness
4.5😞(28K ratings)
FreeIn-App Purchases
#99in Health & Fitness
BMI Calculator – Weight Loss screenshot 1
BMI Calculator – Weight Loss screenshot 2
BMI Calculator – Weight Loss screenshot 3

Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.

What We Love

  • 🚀 Easy to use
  • 📊 Helps track progress
  • 💪 Motivates weight loss

Room to Improve

  • 🤕 Can cause insecurity
  • 🚫 Inaccurate BMI calculations
  • 🚨 Promotes unhealthy behaviors

More Gym Weight Calculator Apps apps to explore

4
Gym Bar Calculator
Gym Bar Calculator
Gym Bar Calculator
Barbell calculator for the gym
Free

Easily calculate barbell weight distribution for your workouts. Input your desired total weight and barbell weight, and the app will precisely determine the plates needed for each side. Ideal for all fitness levels seeking accuracy and efficiency.

Calculate barbell weight distributionCustomize weight platesChoose units of measurement
💪 Health & Fitness
(3)
free
5
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
6
BarLoad Plate Calculator
BarLoad Plate Calculator
BarLoad Plate Calculator
Calculate Barbell Plates
Free

Easily calculate the correct weight plates to load onto your barbell. Customize your plates and barbells with unlimited options and organize them by gym. Supports both kilograms and pounds, and can mix them in a single calculation.

Custom plate and barbell creationMultiple gym profilesMix kg and lbs plates
💪 Health & Fitness
(7)
free
7
Ovutek FitPal
Ovutek FitPal
Ovutek FitPal
Achieve superior health
Free

Manage your weight, body fat, and other body composition metrics. Set and achieve health goals with advanced data analysis and multi-user support. Securely back up and export your progress for a comprehensive understanding of your fitness journey.

Device ManagementBody Composition TrackingGoal Setting
🔧 Utilities
(8K)
free
8
Weight Gurus
Weight Gurus
Weight Gurus
by Greater Goods, LLC
Free

Track your health and fitness progress with this app. Monitor weight, body fat, and BMI with easy-to-read graphs and lists. Securely back up your data and sync with Apple Health for a comprehensive view of your journey.

Track weight, body fat, muscle mass, water weight, and BMIGraph or list view of progressSync with Apple Health
💪 Health & Fitness
(1K)
ad-supported
9
Calculator - smart tool & body mass index checker
Calculator - smart tool & body mass index checker
Calculator - smart tool & body mass index checker
by VLADYSLAV YERSHOV
Free
📊 Productivity
(0)
10
RepGenie: Gym Calculator
RepGenie: Gym Calculator
RepGenie: Gym Calculator
Your Gym. Calculated.
Free
💪 Health & Fitness
(0)
11
INSPIRE Apps
INSPIRE Apps
INSPIRE Apps
by INSPIRE (Apps)
Free
💪 Health & Fitness
(0)
12
APEX GYM
APEX GYM
APEX GYM
by Elite Fitness, LLC
Free
💪 Health & Fitness
(0)
13
Weight Diary Lite
Weight Diary Lite
Weight Diary Lite
daily weight loss tracker
Free

Track your weight loss journey with this intuitive app. It helps you monitor daily weight entries, visualize progress with a trend line, and estimate time to reach your goals without calorie counting. Includes calculators for goals and calories, plus privacy features.

Daily weight trackingProgress trend line visualizationGoal and calorie calculators
💪 Health & Fitness
(7.1K)
ad-supported
14
Plate Pro - Barbell Calculator
Plate Pro - Barbell Calculator
Plate Pro - Barbell Calculator
Instant plate math made easy
Free
💪 Health & Fitness
(0)
15
LifeCal - BMI Calculator
LifeCal - BMI Calculator
LifeCal - BMI Calculator
BMI, Calorie, TDEE and More!
Free
💪 Health & Fitness
(0)
16
BMI Calculator - Weight Health
BMI Calculator - Weight Health
BMI Calculator - Weight Health
BMI, Calories & Health Stats
Free
💪 Health & Fitness
(0)
17
BMI Calculator ~ Weight Loss
BMI Calculator ~ Weight Loss
BMI Calculator ~ Weight Loss
BMI Calculator App
Free
💪 Health & Fitness
(0)
18
1 Tap Weight
1 Tap Weight
1 Tap Weight
by Oleksandr Luchkovskyi
Free
💪 Health & Fitness
(0)
19
My Lean Body Mass Calculator
My Lean Body Mass Calculator
My Lean Body Mass Calculator
by Duan Nguyen
Free

Calculate your lean body mass (LBM) with this straightforward application. It helps you determine the difference between your total body weight and body fat weight.

Calculate Lean Body Mass (LBM)Determine body fat weight differenceSimple and straightforward interface
💪 Health & Fitness
(2)
free
20
LoadPR: 1RM Plate Calculator
LoadPR: 1RM Plate Calculator
LoadPR: 1RM Plate Calculator
Powerlifting PR & Lift Tracker
Free
💪 Health & Fitness
(0)

FAQ about Gym Weight Calculator Apps

What are the best gym weight calculator apps for iPhone?
Bar Is Loaded - Gym Calculator tops our gym weight calculator apps ranking as of August 2026, with a 4.8-star average from 251 App Store ratings, and it's free to download.
Yes — 20 of the top gym weight calculator apps we rank are free to download, including Bar Is Loaded - Gym Calculator and Barbell Plate Calculator.
Bar Is Loaded - Gym Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ gym weight calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Bar Is Loaded is a fast and easy plate loading calculator designed for lifters. It instantly tells you exactly what plates to load onto a barbell, eliminating guesswork. The app also includes various tools for meet preparation and performance scoring.
Key features include an instant plate calculator for both KG and LB, a customizable inventory for barbells and plates, and a reverse calculator. It also offers meet prep tools like rep max calculators and attempt selection, along with powerlifting and weightlifting scoring calculators.