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Best Weight Lifting Calculator Apps

250+ iOS apps curated and reviewed

4.9 avg rating
18 free apps
Updated July 2026

Bar Is Loaded is the household name in weight lifting calculator, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Weight Lifting Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Bar Is Loaded - Gym CalculatorBar Is Loaded - Gym CalculatorFree4.8★ (251)NoYesJul 2026
2Barbell Plate CalculatorBarbell Plate CalculatorFree was $4.994.8★ (236)YesYesAug 2026
3531 Strength531 StrengthFree4.9★ (11K)YesYesAug 2026
4Powerlift – Barbell CalculatorPowerlift – Barbell CalculatorFree4.5★ (72)NoYesMay 2026
5One Rep Max: 1RM CalculatorOne Rep Max: 1RM CalculatorFree4.4★ (178)YesYesAug 2026
6Gym Bar CalculatorGym Bar CalculatorFree5.0★ (3)NoYesMay 2026
7Stronglifts 5x5 Workout PlanStronglifts 5x5 Workout PlanFree4.9★ (77K)NoYesAug 2026
8Lifting-CalculatorLifting-CalculatorFree5.0★ (1)NoNoMay 2026

Top Picks for Weight Lifting Calculator

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.

531 Strength#3

531 Strength by Henrik Jachobsen

Keep focus on your lifts
Worth Considering
💪 Health & Fitness
4.9😊(11K ratings)
FreeAdsIn-App Purchases
531 Strength screenshot 1
531 Strength screenshot 2
531 Strength screenshot 3
531 Strength screenshot 4

This app simplifies tracking your progress on the 5/3/1 strength training program. It calculates and displays weights, reps, and sets based on your one-rep max, allowing you to easily plan and execute your workouts. Rounding options help match available gym plates.

What We Love

  • 🚀 Simple and efficient
  • 👍 Intuitive interface
  • 💪 Helps with strength gains
  • 🔧 Customizable features

Room to Improve

  • 🔢 Inaccurate percentage calculations
  • 🗓️ Lack of ability to plan future workouts
  • 📋 Limited exercise tracking

More Weight Lifting Calculator apps to explore

4
Powerlift – Barbell Calculator
Powerlift – Barbell Calculator
Powerlift – Barbell Calculator
Weightlifting without the math
Free

This app simplifies barbell weight calculations for weightlifters. It allows users to quickly determine the correct plates needed for any given weight, supporting custom bar and collar weights, and both imperial and metric units. An optional Pro version offers advanced features like manual plate management and custom plate creation.

Barbell plate calculationsCustom bar and collar weightsImperial and metric unit support
💪 Health & Fitness
(72)
free with in-app purchases
5
One Rep Max: 1RM Calculator
One Rep Max: 1RM Calculator
One Rep Max: 1RM Calculator
Strength Tracker & Gym PR Tool
Free

Safely estimate your maximum lift potential for various strength exercises using scientific formulas. Track your progress visually, set goals, and fine-tune estimates with perceived exertion. Ideal for powerlifters, CrossFit athletes, and strength enthusiasts.

Precise 1RM calculations with 7 scientific formulasRPE integration for fine-tuned estimatesCustom exercise tracking for any lift
💪 Health & Fitness
(178)
free with in-app purchases
6
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
7
Stronglifts 5x5 Workout Plan
Stronglifts 5x5 Workout Plan
Stronglifts 5x5 Workout Plan
Gym Strength Training Program
Free

This app guides you through a proven barbell strength training program with no guesswork. It plans every exercise, set, and weight for you, allowing you to focus on lifting and see consistent progress. Ideal for beginners or those returning to strength training.

Proven 3x/week strength programAutomated progressionGuided workouts with timers
💪 Health & Fitness
(77K)
free with in-app purchases
8
Lifting-Calculator
Lifting-Calculator
Lifting-Calculator
by Isaiah Brandt-Sims
Free

This tool helps calculate your one-rep max and determine the weight needed for your lifts. It also breaks down plate combinations and includes a notes section for tracking maxes and workouts.

One rep max calculationWeight to put on bar calculationPlate breakdown for each side
💪 Health & Fitness
(1)
free
9
1RM Calculator
1RM Calculator
1RM Calculator
One Rep Max Strength
Free

Easily calculate your one-rep max (1RM) strength with this app. It supports RPE input and allows you to estimate rep maxes based on your 1RM. Track your progress by saving your 1RM history for different exercises.

1RM calculation with RPERep max estimationSave 1RM history
💪 Health & Fitness
(86)
free with in-app purchases
10
BarMath: Plate Calculator
BarMath: Plate Calculator
BarMath: Plate Calculator
by One Nonstop Engineer LLC
$1.99
💪 Health & Fitness
(0)
11
RepGenie: Gym Calculator
RepGenie: Gym Calculator
RepGenie: Gym Calculator
Your Gym. Calculated.
Free
💪 Health & Fitness
(0)
12
The Barbell Calculator
The Barbell Calculator
The Barbell Calculator
The minimalist gym calculator
Free

This app simplifies gym calculations by quickly determining barbell plate loads and total weight. It also offers tools for tracking personal records and managing gym equipment, all within a clean, ad-free interface.

Barbell plate loading calculationTotal weight on bar displayPersonal record (PR) calculation
💪 Health & Fitness
(1)
free
13
MaxLift - 1RM Calculator
MaxLift - 1RM Calculator
MaxLift - 1RM Calculator
One Rep Max Calculator
Free

Calculate your maximum weight for a single repetition of any exercise. This tool helps estimate your strength for key lifts, aiding in training program design and progress tracking. Prioritize safety and effective programming by understanding your one-rep max.

1RM calculation for any exerciseEstimate strength levelsAid in training program design
💪 Health & Fitness
(0)
ad-supported
14
Crane Pick Calculator
Crane Pick Calculator
Crane Pick Calculator
Pick planner
Free

This app assists with lifting project planning by performing calculations to determine equipment load capacity and moment percentage. It helps ensure safety by providing advance knowledge of how close a pick will be to the equipment's limit.

Equipment max load calculationMax moment percentage determinationPick plan assistance
📊 Productivity
(4)
free
15
Q-Points Calculator
Q-Points Calculator
Q-Points Calculator
To The Bar Ltd
$2.99

This app calculates standardized strength scores for weightlifters and coaches, allowing for fair comparisons across different body weights and age groups. It features performance tracking and tools to determine exact weights needed for target scores.

Q-Points & Q-Masters scoringReverse Bar Total CalculatorSex & Age Factors for fair comparisons
💪 Health & Fitness
(1)
paid
16
Strength-Calculator
Strength-Calculator
Strength-Calculator
by Yeongseo Du
Free
💪 Health & Fitness
(0)
17
PlateCalc
PlateCalc
PlateCalc
A simple plate calculator
Free
💪 Health & Fitness
(0)
18
WeightsApp
WeightsApp
WeightsApp
calculate. save. track.
Free

This app helps you improve your personal best lifts by setting target weights, calculating plate combinations, and tracking your progress over time. It's a straightforward tool for strength training enthusiasts.

Set target weight based on personal best and effortCalculate plate combinations for target weightSave and track personal bests over time
💪 Health & Fitness
(0)
free
19
PlatePal: Barbell Calculator
PlatePal: Barbell Calculator
PlatePal: Barbell Calculator
Plate Math & Workout Log
Free

Effortlessly calculate barbell plate combinations for any target weight without mental math. Features hands-free Siri integration, visual plate breakdowns, and workout logging. Supports multiple gym setups and percentage-based training.

Automatic plate calculation for target weightsHands-free Siri and Shortcuts integrationVisual, to-scale barbell plate visualization
💪 Health & Fitness
(3)
freemium
20
Plate Calculator - Weights
Plate Calculator - Weights
Plate Calculator - Weights
by MARCUS DANIEL WILLIAMS
Free

Effortlessly determine the exact barbell plates needed for any weight. This app eliminates mental math and guesswork, providing a clear visual breakdown for accurate loading in pounds or kilograms. It's designed for lifters seeking speed and precision without distractions.

Fast barbell plate calculationsReverse mode for target weightSupports pounds and kilograms
💪 Health & Fitness
(2)
free

FAQ about Weight Lifting Calculator

What are the best weight lifting calculator apps for iPhone?
Bar Is Loaded - Gym Calculator tops our weight lifting calculator apps ranking as of July 2026, with a 4.8-star average from 251 App Store ratings, and it's free to download.
Yes — 18 of the top weight lifting 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 July 2026.
We track 250+ weight lifting calculator apps on the iOS App Store as of July 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.