Free Heltrum tools
Free health, fitness and finance calculators. Calculate directly in your browser without an account.
EVERYDAY WELLBEING
Health & Nutrition
Calculate calories, BMI, macros and selected protein targets.
Body Fat Percentage Calculator (Navy) →
Adult circumference-based body fat estimate from height, neck, waist/abdomen and, when needed, hip. Sensitive to measurement error.
Calculate for free →Daily calories (TDEE) →
Estimated daily energy and BMR using Mifflin–St Jeor. A starting estimate for adults.
Calculate for free →Macro split →
Remaining carbohydrate grams from your energy, protein and fat targets.
Calculate for free →Body mass index (BMI) →
Adult screening BMI from height and weight, not a diagnosis.
Calculate for free →BMI reference weight range →
Mathematical weight interval for adult BMI 18.5 to below 25; not an ideal weight.
Calculate for free →Protein target calculation →
Daily grams using your own g/kg factor; not a personalized diet prescription.
Calculate for free →Calorie balance →
Simple difference between entered daily energy intake and expenditure.
Calculate for free →TRAINING
Fitness
Calculate strength, volume, barbell load and running pace.
Estimated one-rep max →
Estimated 1RM using Epley's formula, not a guaranteed safe lift.
Calculate for free →Training volume (tonnage) →
Total tonnage per exercise: load × reps × sets.
Calculate for free →Barbell plate calculator →
Count equal-sized plates per side for a target loaded barbell weight.
Calculate for free →Running pace →
Minutes-per-kilometer pace and average speed from distance and elapsed time.
Calculate for free →PERSONAL FINANCE
Finance
Calculate stock, dividend, savings and inflation scenarios.
Stock average cost →
Weighted average cost for two buys; fees and taxes excluded.
Calculate for free →Stock profit / loss →
Unrealized gross difference from shares, cost and manually entered current price.
Calculate for free →Gross dividend →
Shares × gross dividend per share; before deductions.
Calculate for free →Savings goal →
Monthly nominal savings from your current balance, goal and timeframe.
Calculate for free →Compound growth scenario →
Hypothetical projection using your constant annual rate and end-of-month contributions.
Calculate for free →Inflation and purchasing power →
Present purchasing-power equivalent under a constant inflation assumption.
Calculate for free →Results are for information and planning, not medical or investment advice. Inputs are processed in your browser.