FitnessAsFun · Free Tools
Fitness & home-gym tools that actually help
Fast, no-signup calculators for lifters and home-gym owners — load a barbell, estimate your one-rep max, dial in calories and macros. More tools shipping soon.
🏋️Plate Loading CalculatorWhich plates to load on each side of the bar.Open tool →💪One-Rep Max CalculatorEstimate your 1RM and get a full %-of-max table.Open tool →🔥TDEE CalculatorYour daily calorie burn, with cut & bulk targets.Open tool →🍗Macro CalculatorTurn a calorie target into protein, carbs & fat.Open tool →⚖️Price-per-Pound CalculatorFind the real cost of weight — shipping included.Open tool →📊BMI CalculatorYour BMI, healthy range, and why lifters read high.Open tool →🛌BMR CalculatorCalories burned at rest, Mifflin & Katch-McArdle.Open tool →📐Home-Gym Space PlannerSee what gear fits your room and ceiling.Open tool →
Try it now
Our most-used tool — no signup, instant answer.
Units
Building a home gym?Get our free plate-buying guide + a price-per-pound cheat sheet so you never overpay for weight.
Loads from the heaviest available plates. Assumes matching pairs and standard plate sets.