Gym
Double Progression Explained: When to Add Weight and How Much
Double progression: keep the weight, add reps until every set hits the top of your range, then add a little weight and start again. Rep ranges, jumps, examples.
Small daily habits to become 1% better each day
Free tools
TDEE Calculator: Your Maintenance Calories and BMREnter sex, age, height, weight and activity level to get your BMR and TDEE (maintenance calories), with a row for every activity level. Works in kg or lb.Creatine Tub Calculator: How Many Days Will My Tub Last?Enter the size of your tub and the grams you take each time. You get the number of days it lasts and the date it runs out.Macro Calculator: Protein, Carbs and Fat for Your GoalGet your protein, carbs and fat in grams to lose fat, maintain or gain. Based on your TDEE, a protein target per kg of body weight and 25% of calories from fat.One Rep Max Calculator (1RM): Estimate Your Max From Any SetEnter the weight and reps of a hard set to estimate your one rep max, plus a percentage table to pick your training weights. Works in kg or lb.
See all tools Latest articles
Gym
How to Calculate Your One Rep Max (Epley and Brzycki Formulas, With a % Table)
Estimate your one rep max from a set of 10 reps or fewer with the Epley or Brzycki formula. Worked examples, a percentage table and when to test a true max.
Gym
How Many Sets per Week to Build Muscle? (What the Studies Say per Muscle)
Most research supports about 10 to 20 hard sets per muscle per week to build muscle. How to count sets, split them across the week and know when to add more.
Gym
How to Progressive Overload Without Adding Weight (6 Methods With Examples)
You can progressive overload without adding weight by doing more reps, adding sets, slowing the lowering phase or using a fuller range of motion. How and when.
Gym
What Is Progressive Overload? Definition, Methods and Real Examples
Progressive overload means asking a bit more of your muscles over time: more weight, reps or sets. What it is, the ways to apply it and examples you can copy.
Creatine
How Much Creatine Should a Woman Take? What the Studies Used
There is no separate female dose in the research. The daily amounts and loading protocols studies in women used, and what the ISSN position stand describes.
Creatine
Should You Take Creatine If You Don't Work Out? What Studies Found Without Training
Without exercise, most studies found creatine does little for muscle, and the brain research is early and mixed. What that means if you're not a gym person.
Creatine
Does Creatine Make You Gain Weight or Feel Bloated? What Is Water and What Isn't
Creatine can add some water weight, mostly during a high-dose loading week. It is not fat. Here is what studies found, and why bloating is often about the dose.
Creatine
Creatine for Women Over 40: What the Menopause Research Shows
Most studies in women over 40 paired creatine with strength training. What they found for muscle, bone and brain fog, and where the evidence is still thin.
Creatine
Does Creatine Cause Hair Loss? What the Studies Actually Measured
The hair loss worry comes from a 2009 study that never measured hair. A 2025 trial that did measure it found no difference. What we know, and what we don't.
Creatine
How Long Does Creatine Take to Work? Days With Loading, Weeks Without
In studies, muscle creatine rose in about a week with a loading phase and over 3 to 4 weeks without one. What changes first, and why some people notice little.
Creatine
Does Creatine Expire? How Long the Powder Lasts and When to Toss It
Dry creatine monohydrate showed no breakdown after 3+ years in stability tests, even at 40 °C. Water is what ruins it. What the date means and when to bin it.
