One Rep Max Calculator
Estimate your 1RM from a completed set.
Training Tools and Calculators
Estimate your One Rep Max, compare your strength to other lifters, calculate nutrition targets and more.
Popular Calculators
View all calculatorsStrength Standards
Compare your lifts across 68 exercises.
Plate Calculator
Build the right load with available plates.
TDEE Calculator
Estimate your total daily energy needs.
Protein Calculator
Set a practical daily protein target.
RPE Calculator
Translate effort into useful training intensity.
Warm-Up Calculator
Generate progressive warm-up sets.
DOTS Calculator
Compare powerlifting performance by bodyweight.
Strength Standards
See beginner through elite benchmarks for popular exercises.
The Big Three
Bench Press
Strength Standards1RM CalculatorSquat
Strength Standards1RM CalculatorDeadlift
Strength Standards1RM CalculatorHow Strong Are You?
Choose an exercise and enter a recent set to compare with the existing strength-standard data.
Your strength level
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Enter your lift to see your result.
- Estimated 1RM
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- Bodyweight ratio
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Browse by Category
TrainingStrength and workout planningPowerliftingScores, totals, and the big threeNutritionCalories, macros, and hydrationBody CompositionBody fat, BMI, FFMI, and moreRunningPace, VO₂ max, and race predictionsAll CalculatorsBrowse every available toolStrength StandardsExplore all exercise benchmarks
What Do You Want to Do?
About The Gym Calculator
The Gym Calculator brings practical strength, training, nutrition, body-composition, and running tools together in one place. It is designed to help you turn everyday training numbers into information you can use in every step of your training.