Rex says
Same equations the textbooks use — just way less awkward. Pop in your stats and I'll tell you what the number actually means for you.
Try a scenario
Click to load — tweak from there.Inputs
Result
Powerlifting total
945
Total ÷ bodyweight
5.11
Squat ÷ bodyweight
1.70
Bench ÷ bodyweight
1.22
Deadlift ÷ bodyweight
2.19
Relative strength score
510.8
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One click, a permanent link with your numbers baked in.
How to use this
- 1Enter bodyweight (lb).
- 2Enter squat 1rm (lb).
- 3Enter bench 1rm (lb).
- 4Enter deadlift 1rm (lb).
- 5Read your powerlifting total on the right — it updates as you type.
- 6Hit Share to keep the scenario or send it to someone.
About this calculator
Raw totals favor heavier lifters. Dividing total by bodyweight, and scoring per lift, is how you compare strength fairly across weight classes.
Worked example
Using the values the calculator loads with:
Inputs
- Bodyweight: 185 lb
- Squat 1RM: 315 lb
- Bench 1RM: 225 lb
- Deadlift 1RM: 405 lb
Results
- Powerlifting total: 945
- Total ÷ bodyweight: 5.11
- Squat ÷ bodyweight: 1.7
- Bench ÷ bodyweight: 1.22
- Deadlift ÷ bodyweight: 2.19
- Relative strength score: 510.8
What each field means
Inputs
- Bodyweight (lb)
- The bodyweight used in the calculation, measured in lb. Starts at 185 lb so you have a working example on load. Accepted range: 60–500 lb.
- Squat 1RM (lb)
- The squat 1rm used in the calculation, measured in lb. Starts at 315 lb so you have a working example on load.
- Bench 1RM (lb)
- The bench 1rm used in the calculation, measured in lb. Starts at 225 lb so you have a working example on load.
- Deadlift 1RM (lb)
- The deadlift 1rm used in the calculation, measured in lb. Starts at 405 lb so you have a working example on load.
Results
- Powerlifting total
- Returned as a decimal number and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total ÷ bodyweight
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Squat ÷ bodyweight
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Bench ÷ bodyweight
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Deadlift ÷ bodyweight
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Relative strength score
- Returned as a decimal number. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
How does the relative strength score calculator work?
Raw totals favor heavier lifters. Dividing total by bodyweight, and scoring per lift, is how you compare strength fairly across weight classes. The underlying maths is: Relative strength = Total lifted ÷ bodyweight; per-lift ratios benchmark each movement.
What do I need to enter?
4 values: bodyweight, squat 1rm, bench 1rm, and deadlift 1rm. Each field starts with a sensible default, so you can change one number at a time and watch the result move.
What does the powerlifting total result mean?
It is returned as a decimal number and updates live as you edit the inputs, so you can compare two or three versions of a scenario in a few seconds.
Is this calculator free, and do I need an account?
Yes, it's free, and no account is required. Nothing you type is stored on our servers — the maths runs entirely in your browser.
How accurate is the result?
It applies the standard formula exactly, so the arithmetic is precise. Population formulas describe averages; individual bodies vary, especially at the extremes of height, age, or muscle mass.
Who is this tool for?
It's built for anyone tracking a health or training target and wanting the standard formula applied correctly, without a signup or an app.
Accuracy and limitations
- Population formulas describe averages; individual bodies vary, especially at the extremes of height, age, or muscle mass.
- Results do not account for medical conditions, medication, or pregnancy.
- Use this as a directional reference, not a diagnosis — talk to a clinician before acting on it.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Strength Score Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/wilks-score
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/wilks-score" target="_blank" rel="noopener">Strength Score Calculator — RevenueLab</a> (2026).</p>
Source: [Strength Score Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/wilks-score) (2026).