Free strength training tools

More than twenty calculators and lifting reference charts, free in your browser. No login, no ads, nothing paywalled. Use them to figure out a weight, a warm-up, or a training number fast. If you want those numbers tracked on every set automatically, that is what the Mekimeki app does.

Free tool

Log a workout in your browser

Track sets, reps and weight as you train, then save a shareable summary image. No login.

Open the workout logger

Lifting and loading

Turn a number into weight on the bar: maxes, percentages, plates, warm-up ramps, and strength scores.

1RM Calculator

Estimate your one-rep max from any hard set, with Brzycki, Epley, or hybrid formulas and a training percentage table.

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Plate Calculator

Stack one side of the bar and see instantly whether it matches your target, and by how much per side.

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Volume Calculator

Total your session volume, sets × reps × weight, per exercise and overall.

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RPE Calculator

Convert reps and RPE to a percentage of your 1RM, with a full chart.

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Strength Score Calculator

Score your total with DOTS and Wilks, relative to bodyweight, for men and women.

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Plate Weight Chart

What each plate weighs, its IPF/IWF colour, and how to read a loaded bar.

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Workout Generator

Pick focus, goal, and equipment and get a full workout — sets, reps, and rest — ready to send to the app.

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1RM Percentage Chart

Turn a one-rep max into every training percentage, rounded to loadable plate weights.

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Barbell Load Chart

Every loadable total for your bar, with the plate stack that makes it, per side.

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Warm-Up Calculator

Build a plate-rounded warm-up ramp to any working weight, with sets, loads and reps.

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DOTS Calculator

Score a powerlifting total against bodyweight with the coefficient most federations now use.

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Wilks Calculator

Score a total with the 1994 Wilks formula, the 2020 revision, or compare both against DOTS.

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Energy and body composition

Work out the numbers that sit around your training: energy needs, macros, and body composition.

TDEE Calculator

Estimate daily energy expenditure from bodyweight or lean mass, with cut and gain targets.

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BMR Calculator

Basal metabolic rate from three published equations, compared side by side.

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Macro Calculator

Split daily calories into protein, carbs and fat for cutting, maintaining or gaining.

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Protein Intake Calculator

Daily protein in grams from bodyweight or lean mass, split across your meals.

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Calorie Deficit Calculator

A daily calorie target and a week-by-week timeline to your goal weight.

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Bulking Calorie Calculator

Bulking calories and a realistic monthly rate of gain, scaled to your training age.

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Body Recomposition Calculator

Calories, protein and a training-day split for losing fat and gaining muscle at once.

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Body Fat Calculator

Body fat percentage from tape measurements, with fat mass and lean mass.

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FFMI Calculator

Fat-free mass index with height normalisation, and what the bands actually mean.

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Lean Body Mass Calculator

Lean mass from measured body fat, or estimated by the Boer, James and Hume formulas.

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Ideal Body Weight Calculator

Devine, Robinson, Miller and Hamwi reference weights, with frame adjustment and a BMI range.

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Why are these free?

Because they are a preview. Each tool helps with one decision right now. Mekimeki keeps doing the same job on every set: estimating 1RM and PRs as you log, showing plate math inside the session, and adding up volume per exercise and per workout.

Mekimeki app icon

Let the app do the math

Everything these calculators do, Mekimeki tracks automatically while you train.

Download on the App Store

Free · Every feature included · No subscriptions · No paywalls · iOS 17+

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