1RM Calculator

Simplify your strength training with the best workout tracker app.

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Trusted by

67,000+

Lifters
Partial laurel wreath curved

1RM Calculator

Simplify your strength training with the best workout tracker app.

Partial laurel wreath curved
Trusted by

67,000+

Lifters
Partial laurel wreath curved

1RM Calculator

Simplify your strength training with the best workout tracker app.

Partial laurel wreath curved
Trusted by

67,000+

Lifters
Partial laurel wreath curved
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.

1RM Estimator

Type the weight and reps from your hardest set and we’ll do the numbers for you, giving a quick estimate of your true one-rep max.

1RM Percentage Chart

Once your one-rep max is set, we break it down for you so you can see the exact weight to load. Just pick your target percent and start lifting.
Once your one-rep max is set, we break it down for you so you can see the exact weight to load. Just pick your target percent and start lifting.
A smartphone screen displaying he Setgraph workout tracking app on the "Sessions" page, organized by activity type and duration. Filters at the top include "All," "Tennis," "Strength Training," and "Stair Climbing." Below, activities for September 2023 are listed with icons, activity names, durations, and dates. Examples include "Stair Climbing: 00:10" on 9/27/23, "Strength Training: 00:57" on 9/27/23, and "Tennis: 01:05" on 9/24/23. The interface is clean, with a "+ Add" button in the top-right corner and navigation options like "Duration" and "Style" at the bottom.
A smartphone screen displaying he Setgraph workout tracking app on the "Sessions" page, organized by activity type and duration. Filters at the top include "All," "Tennis," "Strength Training," and "Stair Climbing." Below, activities for September 2023 are listed with icons, activity names, durations, and dates. Examples include "Stair Climbing: 00:10" on 9/27/23, "Strength Training: 00:57" on 9/27/23, and "Tennis: 01:05" on 9/24/23. The interface is clean, with a "+ Add" button in the top-right corner and navigation options like "Duration" and "Style" at the bottom.
A smartphone screen displaying he Setgraph workout tracking app on the "Sessions" page, organized by activity type and duration. Filters at the top include "All," "Tennis," "Strength Training," and "Stair Climbing." Below, activities for September 2023 are listed with icons, activity names, durations, and dates. Examples include "Stair Climbing: 00:10" on 9/27/23, "Strength Training: 00:57" on 9/27/23, and "Tennis: 01:05" on 9/24/23. The interface is clean, with a "+ Add" button in the top-right corner and navigation options like "Duration" and "Style" at the bottom.
A smartphone lock screen displaying a rest timer widget from the workout tracker app called "Setgraph." The top shows the date, "Monday, January 8," and the time, "12:25." Below, the widget includes two sections: one timer labeled "Next Set" counting down from "1:45" with a green progress ring, and another labeled "Strength Training" showing an active session duration of "29:13" with options to pause or stop.
A smartphone lock screen displaying a rest timer widget from the workout tracker app called "Setgraph." The top shows the date, "Monday, January 8," and the time, "12:25." Below, the widget includes two sections: one timer labeled "Next Set" counting down from "1:45" with a green progress ring, and another labeled "Strength Training" showing an active session duration of "29:13" with options to pause or stop.
A smartphone lock screen displaying a rest timer widget from the workout tracker app called "Setgraph." The top shows the date, "Monday, January 8," and the time, "12:25." Below, the widget includes two sections: one timer labeled "Next Set" counting down from "1:45" with a green progress ring, and another labeled "Strength Training" showing an active session duration of "29:13" with options to pause or stop.

  • 1RM

  • 2RM

  • 3RM

  • 4RM

  • 5RM

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  • 8RM

  • 9RM

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  • 23RM

  • 24RM

  • 25RM

  • 26RM

  • 27RM

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  • 29RM

  • 30RM

The XRM table converts your max into realistic loads for each rep range and shows what percent of 1RM they represent.
The XRM table converts your max into realistic loads for each rep range and shows what percent of 1RM they represent.

1RM Formula

Epley, Brzycki, Lander, O’Connor, or even an averaged blend—the choice is yours. Tap the Formula menu, pick the equation you trust, and the app recalculates your max on the spot.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.
A smartphone screen displaying the Setgraph workout tracking app focused on "Abdominal Crunch." The upper section lists past sets with timestamps, repetitions, and weights, such as "8 reps, 90 lb." Below, an input interface allows users to adjust repetitions and weights using "+" and "-" buttons or a keypad. The current set is set to "8 reps" at "90 lb," ready to be recorded with a green "Record Set" button. The sleek design provides a seamless way to log workouts.

1RM Prediction

When you record a one-rep set that tops your current best, a Set 1RM button lights up. One tap saves the lift as your new max and refreshes every percent table and X-RM number.

Lifters Love Our 1RM Calculator

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1RM (One-Rep Max) Frequently Asked Questions

1RM (One-Rep Max) Frequently Asked Questions

1RM (One-Rep Max) Frequently Asked Questions

What is 1RM?
What is 1RM?
What is 1RM?
What does 1RM mean in fitness?
What does 1RM mean in fitness?
What does 1RM mean in fitness?
Why is 1RM important?
Why is 1RM important?
Why is 1RM important?
How do I calculate my 1RM?
How do I calculate my 1RM?
How do I calculate my 1RM?
How accurate are 1RM calculators?
How accurate are 1RM calculators?
How accurate are 1RM calculators?
What is a good 1RM for bench press/squat/deadlift?
What is a good 1RM for bench press/squat/deadlift?
What is a good 1RM for bench press/squat/deadlift?
How do I find my 1RM for specific exercises?
How do I find my 1RM for specific exercises?
How do I find my 1RM for specific exercises?

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A close-up image of a muscular arm performing a bicep curl, showcasing the definition and strength of the bicep as the person lifts the weight.
A close-up image of a muscular arm performing a bicep curl, showcasing the definition and strength of the bicep as the person lifts the weight.

1RM Calculator

1RM Calculator

Calculate your 1RM for bench press, squat, deadlift, and more with Setgraph's free 1RM calculator.

Calculate your 1RM for bench press, squat, deadlift, and more with Setgraph's free 1RM calculator.

A close-up image of a muscular arm performing a bicep curl, showcasing the definition and strength of the bicep as the person lifts the weight.

1RM Calculator

Calculate your 1RM for bench press, squat, deadlift, and more with Setgraph's free 1RM calculator.

row of dumbbells on rack
iOS download link
Android Download Link
row of dumbbells on rack
iOS download link
Android Download Link