Fitness Goal 4U toolkit

Strength Calculators

Estimate maximums, training loads, barbell plates, volume, and relative strength. Every tool is free, private, responsive, and designed to explain its result clearly.

8 specialized tools
01Strength

1RM Calculator

Estimate one-repetition maximum and percentage-based training loads.

Open calculator
02Strength

Squat 1RM Calculator

Estimate squat one-rep max and practical training loads.

Open calculator
03Strength

Bench Press 1RM Calculator

Estimate bench press one-rep max from a submaximal set.

Open calculator
04Strength

Deadlift 1RM Calculator

Estimate deadlift one-rep max and percentage-based loads.

Open calculator
05Strength

Barbell Plate Calculator

Find the closest barbell plate combination for each side.

Open calculator
06Strength

Training Max Calculator

Calculate conservative 80%, 85%, and 90% training maximums.

Open calculator
07Strength

Workout Volume Calculator

Calculate total workout tonnage from load, sets, and repetitions.

Open calculator
08Strength

Strength Level Calculator

Benchmark a lift using its ratio to body weight.

Open calculator

Private calculations, clearer decisions

All calculations run in your browser. We do not require an account or store your measurements. Results are educational estimates and should be interpreted within your health and training context.

Learn about our methodology →