R BalaVO₂ Max Calculator – Estimate Your Cardiorespiratory Fitness | FreeCalz VO₂ Max Calculator Estimate your VO₂ max and cardiorespiratory fitness from a Cooper 12-minute run or 1.5-mile run test. Calculate Your VO₂ Max Test method 12-Minute Run Test1.5-Mile Run Test Distance unit KilometersMiles Used for the 12-minute run test. Distance covered in 12 minutes Enter … Read more
Pace Calculator – Calculate Running Pace, Speed & Finish Time | FreeCalz Pace Calculator Calculate your running pace, speed, finish time and race splits for any distance. Convert easily between minutes per kilometer and minutes per mile. Calculate Your Running Pace What do you want to calculate? Pace from distance & timeFinish time from pace … Read more
Lean Body Mass Calculator – Calculate LBM & Fat-Free Mass | FreeCalz Lean Body Mass Calculator Estimate your lean body mass (LBM) from your sex, age, height and body weight using the Boer formula, with metric and imperial unit support. Calculate Your Lean Body Mass Enter your details below to estimate lean body mass. Age … Read more
One Rep Max Calculator – Calculate Your 1RM | FreeCalz One Rep Max Calculator Estimate your one-repetition maximum (1RM) from the weight you lift and the number of repetitions you can perform. Compare results from popular 1RM formulas and view common training percentages. Calculate Your One Rep Max Enter the weight used for your set … Read more
Target Heart Rate Calculator – Find Your Ideal Exercise Heart Rate | FreeCalz Home › Health Calculators › Target Heart Rate Target Heart Rate Calculator Calculate your estimated maximum heart rate and target heart rate zones for moderate and vigorous exercise using your age and, optionally, your resting heart rate. Calculate Your Target Heart Rate … Read more
Heart Rate Zone Calculator Estimate your maximum heart rate and general exercise intensity zones from your age. Use the results as a simple reference when planning or reviewing exercise intensity. Calculate Your Heart Rate Zones Enter your age to estimate maximum heart rate and five percentage-based exercise intensity zones. Age Enter a whole number between … Read more
Conception Date Calculator – Estimate Your Conception Date | FreeCalz Conception Date Calculator Estimate when conception may have occurred using your estimated due date, last menstrual period, or a known conception date. Get an estimated conception date, due date and pregnancy timing. Calculate Your Estimated Conception Date Calculate from Estimated due dateLast menstrual period (LMP)Known … Read more
Ovulation Calculator – Estimate Your Fertile Window | FreeCalz Ovulation Calculator Estimate your likely ovulation date and fertile window from the first day of your last menstrual period and your average menstrual cycle length. Calculate Your Ovulation Date First day of last menstrual period Enter the first day your last period started. Average menstrual cycle … Read more
Pregnancy Weight Gain Calculator – Calculate Healthy Weight Gain | FreeCalz Pregnancy Weight Gain Calculator Estimate your recommended pregnancy weight gain range using your pre-pregnancy BMI, pregnancy type, and current gestational weight gain. Calculate Recommended Pregnancy Weight Gain Unit System Metric (kg / cm) Imperial (lb / in) Pre-Pregnancy Weight (kg) Use your weight before … Read more
Pregnancy Due Date Calculator – Estimate Your Baby’s Due Date | FreeCalz Pregnancy Due Date Calculator Estimate your baby’s due date, pregnancy week, trimester and important pregnancy milestones using your last menstrual period or conception date. Calculate Your Estimated Due Date Calculate from Last menstrual period (LMP)Conception date Average cycle length 28 days26 days27 days29 … Read more