130 Free Tools
Health & Fitness Calculators
BMI, BMR, TDEE, body fat, calorie needs, ideal weight, and heart rate zone calculators using clinically validated formulas.
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Health & Fitness Calculators
130 tools · Free · Instant · No signup
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Calc Serum Anion Gap, Albumin Correction & Delta-Delta Calculator
Free · Accurate Use
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Calc Underweight & Anorexia BMI Range Calculator
Free · Accurate Use
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Calc Newborn Apgar Score Calculator (1, 5 & 10 Minute Assessment
Free · Accurate Use
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Calc US Army Body Fat Calculator (AR 600-9
Free · Accurate Use
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Calc Baby Age & Corrected Age Calculator
Free · Accurate Use
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Calc Blood Alcohol Concentration (BAC
Free · Accurate Use
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Calc Advanced Basal Metabolic Rate (BMR
Free · Accurate Use
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Calc Medical Equipment & Emergency Battery Backup Runtime Calculator
Free · Accurate Use
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Calc Benadryl Dosage Calculator for Dogs (Diphenhydramine
Free · Accurate Use
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Calc Blood Alcohol Concentration (BAC
Free · Accurate Use
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Calc Blood Pressure Calculator & Hypertension Stage Checker
Free · Accurate Use
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Calc Blood Type Calculator
Free · Accurate Use
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Calc BMI Calculator -- Body Mass Index
Free · Accurate Use
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Calc BMR Calculator -- Basal Metabolic Rate
Free · Accurate Use
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Calc Body Adiposity Index (BAI
Free · Accurate Use
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Calc Body Fat Percentage Calculator (US Navy Method
Free · Accurate Use
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Calc Body Roundness Index Calculator
Free · Accurate Use
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Calc Body Surface Area (BSA
Free · Accurate Use
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Calc Total Body Water (TBW
Free · Accurate Use
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Calc Breast Cancer Risk Calculator
Free · Accurate Use
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Calc Breathing Rate Calculator
Free · Accurate Use
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Calc Body Surface Area (BSA
Free · Accurate Use
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Calc Burnout Calculator
Free · Accurate Use
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Calc Caffeine Calculator
Free · Accurate Use
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Calc Daily Calorie Needs Calculator
Free · Accurate Use
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Calc Calories Burned by Activity & MET Calculator
Free · Accurate Use
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Calc Calories Burned During Exercise Calculator
Free · Accurate Use
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Calc Daily Carbohydrate Intake Calculator
Free · Accurate Use
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Calc Carbon Equivalent (CE
Free · Accurate Use
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Calc Credit Card Cash Back Rewards Calculator
Free · Accurate Use
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Calc Cash Back or Low Interest Calculator
Free · Accurate Use
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Calc Benadryl Dosage Calculator for Cats (Diphenhydramine
Free · Accurate Use
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Calc Cat Body Condition Score & Weight Calculator
Free · Accurate Use
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Calc Cat Daily Calorie Needs Calculator (RER & MER
Free · Accurate Use
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Calc Cat Pregnancy Due Date Calculator (Feline Gestation
Free · Accurate Use
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Calc Cephalexin Dosage Calculator for Cats
Free · Accurate Use
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Calc Cephalexin Dosage Calculator for Dogs
Free · Accurate Use
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Calc Cigarette Calculator
Free · Accurate Use
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Calc Coffee Calculator
Free · Accurate Use
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Calc Corrected Calcium for Hypoalbuminemia Calculator (Payne Formula
Free · Accurate Use
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Calc Cost of Having a Baby Calculator
Free · Accurate Use
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Calc Cockcroft-Gault Creatinine Clearance (CrCl
Free · Accurate Use
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Calc Pet Food Crude Protein Calculator (Dry Matter Basis
Free · Accurate Use
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Calc Daily Calorie Intake Calculator
Free · Accurate Use
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Calc Daily Protein Intake Calculator
Free · Accurate Use
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Calc Standing Desk Height & Ergonomics Calculator
Free · Accurate Use
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Calc Desk Height Calculator
Free · Accurate Use
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Calc Diabetes Risk Calculator
Free · Accurate Use
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Calc Dog Weight & Body Condition Score Calculator
Free · Accurate Use
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Calc Dog Pregnancy Due Date Calculator (Canine Gestation
Free · Accurate Use
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Calc Dog Daily Water Intake Calculator
Free · Accurate Use
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Calc IV Infusion Rate & Dosage Drip Rate Calculator
Free · Accurate Use
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Calc Pregnancy Due Date & Gestational Age Calculator
Free · Accurate Use
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Calc Energy Payback Time (EPBT
Free · Accurate Use
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Calc Fasting Calculator
Free · Accurate Use
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Calc Fat Burning Heart Rate Calculator
Free · Accurate Use
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Calc Fetal Growth Calculator
Free · Accurate Use
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Calc Fever Temperature Calculator
Free · Accurate Use
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Calc Fish Oil Dosage Calculator for Cats (Omega-3
Free · Accurate Use
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Calc Flexitarian Diet BMI Calculator
Free · Accurate Use
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Calc Flight Carbon Footprint Calculator
Free · Accurate Use
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Calc Parkland Formula Burn Fluid Resuscitation Calculator (4 mL & ABA 2 mL
Free · Accurate Use
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Calc Gatorade Mix Calculator
Free · Accurate Use
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Calc CKD-EPI Estimated Glomerular Filtration Rate (eGFR
Free · Accurate Use
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Calc Glomerular Filtration Rate (eGFR
Free · Accurate Use
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Calc Glucose Tolerance Test Calculator
Free · Accurate Use
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Calc Glycemic Index Calculator
Free · Accurate Use
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Calc Grams to Calories Calculator (Macronutrients
Free · Accurate Use
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Calc Guinea Pig Pregnancy Due Date Calculator
Free · Accurate Use
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Calc Health Insurance Cost Calculator
Free · Accurate Use
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Calc Healthy Weight Range Calculator (BMI 18.5–24.9
Free · Accurate Use
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Calc Framingham 10-Year Cardiovascular Disease (CVD
Free · Accurate Use
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Calc Heart Rate Zone Calculator
Free · Accurate Use
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Calc Height Calculator
Free · Accurate Use
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Calc Height in Inches Calculator
Free · Accurate Use
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Calc Height Predictor Calculator
Free · Accurate Use
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Calc Holiday Weight Gain Calculator
Free · Accurate Use
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Calc Hospital Bed Occupancy & Patient Flow Engine (Little's Law
Free · Accurate Use
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Calc Ideal Body Weight Calculator (Multiple Formulas
Free · Accurate Use
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Converter Joules to Calories Converter
Free · Accurate Use
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Calc Kitchen Backsplash Calculator
Free · Accurate Use
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Calc Friedewald LDL & Non-HDL Cholesterol Calculator
Free · Accurate Use
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Calc Lean Body Mass Calculator (Boer, James & Hume Formulas
Free · Accurate Use
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Calc Macro Calculator -- Daily Protein, Carbs & Fat Goals
Free · Accurate Use
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Calc Macronutrient Split (Carbs, Protein, Fat
Free · Accurate Use
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Calc Macronutrient Calculator (Protein, Carbs, Fats
Free · Accurate Use
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Calc Holliday-Segar Maintenance IV Fluid Rate & 4-2-1 Rule Calculator
Free · Accurate Use
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Calc Mean Arterial Pressure (MAP
Free · Accurate Use
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Calc Menstrual Cycle Calculator
Free · Accurate Use
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Calc Metacam (Meloxicam
Free · Accurate Use
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Calc Metacam (Meloxicam
Free · Accurate Use
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Calc One Rep Max Calculator
Free · Accurate Use
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Calc Ovulation & Fertile Window Calculator
Free · Accurate Use
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Calc Ovulation & Fertile Window Calculator - Peak Conception Dates
Free · Accurate Use
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Calc Medical Oxygen Cylinder Tank Duration & Flow Rate Calculator
Free · Accurate Use
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Calc Pain Assessment Calculator
Free · Accurate Use
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Calc Payback Period & Discounted Payback Period (DPP
Free · Accurate Use
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Calc Peak Flow Calculator
Free · Accurate Use
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Calc Pediatric Dosage & Liquid Volume (mL
Free · Accurate Use
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Calc Pharmaceutical Bioavailability (AUC
Free · Accurate Use
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Calc Pregnancy Blood Pressure Calculator & Preeclampsia Check
Free · Accurate Use
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Calc Full Pregnancy Calculator -- Weeks, Trimesters & Milestones
Free · Accurate Use
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Calc Pregnancy Conception Date Calculator
Free · Accurate Use
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Calc Pregnancy Countdown Calculator
Free · Accurate Use
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Calc Pregnancy Due Date & Gestational Age Calculator
Free · Accurate Use
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Calc Pregnancy Estimated Due Date (EDD
Free · Accurate Use
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Calc Pregnancy Weight Gain Calculator
Free · Accurate Use
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Calc Prolactin Level Calculator
Free · Accurate Use
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Calc Daily Protein Intake Calculator
Free · Accurate Use
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Calc Protein Concentration Calculator
Free · Accurate Use
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Calc Protein Solubility & Yield Calculator
Free · Accurate Use
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Calc Corrected QT Interval (QTc
Free · Accurate Use
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Calc Radiocarbon Dating Calculator (Carbon-14
Free · Accurate Use
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Calc Sleep Calculator -- Best Bedtimes & Wake Times
Free · Accurate Use
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Calc Snoring Risk Calculator
Free · Accurate Use
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Calc Solar Panel Payback Period & 25-Year PV Investment ROI Calculator
Free · Accurate Use
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Calc Standing vs Sitting Blood Pressure Comparison
Free · Accurate Use
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Calc Standing Desk Height Calculator
Free · Accurate Use
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Calc Target Heart Rate Zone Calculator
Free · Accurate Use
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Calc TDEE Calculator
Free · Accurate Use
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Calc Teeth Whitening Cost Calculator
Free · Accurate Use
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Calc Total Daily Energy Expenditure (TDEE
Free · Accurate Use
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Calc Tree Height Calculator (Clinometer & Shadow Method
Free · Accurate Use
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Calc Tree Height Calculator
Free · Accurate Use
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Calc Type 2 Diabetes Risk Calculator
Free · Accurate Use
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Calc VO2 Max Calculator
Free · Accurate Use
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Calc Daily Water Intake Calculator
Free · Accurate Use
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Calc Wedding Countdown Calculator
Free · Accurate Use
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Calc Weight Loss Calculator
Free · Accurate Use
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Calc Weight Loss Pace Calculator
Free · Accurate Use