Health & Insurance
ACA marketplace, HSA, Medicare, BMI, calorie, and insurance calculators.
HSA Calculator
2026Calculate HSA tax savings, investment growth, and projected balance at retirement. See the triple tax advantage in action.
BMI Calculator
Calculate your Body Mass Index (BMI) with height and weight. See your BMI category and healthy weight range.
Calorie Calculator (TDEE)
Calculate daily calories for maintenance, weight loss, or gain using the Mifflin-St Jeor equation and your activity level.
Sleep Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles for optimal rest.
Water Intake Calculator
Calculate how much water you should drink daily based on your weight, activity level, and climate.
Pregnancy Due Date Calculator
Calculate your estimated due date from last period, conception date, or IVF transfer date. See trimester milestones.
Body Fat Calculator (Navy Method)
Estimate body fat percentage using the US Navy circumference method. See body fat category and lean body mass.
Macro Calculator
Calculate daily protein, fat, and carb targets based on your calorie goal and fitness objectives.
BAC Calculator (Blood Alcohol Content)
Estimate blood alcohol content based on drinks consumed, body weight, and time. For educational purposes only.
Weight Loss Calculator
Calculate daily calories and timeline to reach your goal weight at a safe rate of loss.
ACA Marketplace Subsidy Calculator
2026Estimate your Affordable Care Act premium tax credit based on income, household size, and plan level.
Medicare Premium Calculator (IRMAA)
Calculate Medicare Part B and Part D premiums with IRMAA surcharges based on your income.
Smoking Cost Calculator
Calculate how much smoking costs you per day, month, year, and decade. See what you could buy instead.
Life Insurance Needs Calculator
Calculate how much life insurance coverage you need based on income, debts, dependents, and existing coverage.
Renters Insurance Calculator
Estimate renters insurance premium based on personal property value, coverage type, and deductible.
Flood Insurance Calculator
Estimate NFIP flood insurance premium by flood zone, property value, and deductible.
Umbrella Insurance Calculator
Estimate umbrella insurance premium for $1M-$5M coverage. See when umbrella coverage makes sense.
Long-Term Care Cost Calculator
Estimate long-term care costs for home health, assisted living, or nursing home with inflation projection.
Travel Insurance Calculator
Estimate travel insurance premium for domestic or international trips based on cost and coverage level.
Ideal Weight Calculator
Calculate your ideal weight by height and frame size using the Devine formula.
Pregnancy Weight Gain Calculator
Calculate recommended pregnancy weight gain by week based on pre-pregnancy BMI.
Child Growth Percentile Calculator
Estimate your child's weight and height percentile compared to CDC growth charts.
Health Insurance Premium Estimator
Estimate health insurance premiums by age, plan tier, and household size.
Disability Insurance Calculator
Estimate disability insurance premium based on income, benefit period, and elimination period.
Healthcare Deductible Calculator
See your total out-of-pocket cost at different medical spending levels. Compare bronze, silver, gold plans.
FSA Calculator (Flexible Spending Account)
2026Calculate FSA tax savings and recommended contribution. 2025 limit: $3,300 healthcare.
COBRA Calculator
Calculate COBRA continuation cost vs marketplace alternatives. See total cost for 18-36 months.
HSA vs Traditional Health Plan Calculator
Compare total cost of HDHP+HSA vs traditional health plan at different medical spending levels.
Protein Intake Calculator
Calculate daily protein needs based on weight, goal, and activity level. See food sources.
Intermittent Fasting Calculator
Plan your IF schedule for 16:8, 18:6, 20:4, or OMAD. See eating windows and meal timing.
Kidney GFR Calculator
Estimate glomerular filtration rate (eGFR) from creatinine. See CKD stage classification.
A1C Calculator
Convert between A1C and average blood glucose. See diabetes risk classification.
Cholesterol Ratio Calculator
Calculate TC/HDL, LDL/HDL, and triglyceride ratios. See cardiovascular risk levels.
Heart Disease Risk Calculator
Estimate 10-year cardiovascular risk based on age, cholesterol, blood pressure, and lifestyle.
Insulin Dose Calculator
Calculate correction and meal insulin doses from blood sugar, carbs, and ratios. Educational only.
Child Height Predictor
Predict adult height from parent heights using the mid-parental method.
Sunscreen Calculator
Calculate sun protection time based on skin type, UV index, and SPF. Get reapplication schedule.
Elder Care Cost Calculator
Compare elder care costs: in-home aide, adult day care, assisted living, and nursing home by state.
Pet Insurance Cost Calculator
Estimate pet insurance premium by species, breed, age, coverage level, and deductible.
Body Recomposition Calculator
Calculate calories and protein for losing fat while maintaining muscle mass.
Macro Split Calculator
Calculate protein, fat, and carb grams from calories and diet type (balanced, keto, high protein).
TDEE Calculator (Total Daily Energy Expenditure)
Calculate comprehensive TDEE including BMR, TEF, NEAT, and exercise activity.
Intermittent Fasting Schedule Calculator
Plan your IF eating window for 16:8, 18:6, 20:4, OMAD, or 5:2 protocols.
Body Surface Area Calculator
Calculate BSA using DuBois and Mosteller formulas from height and weight.
Waist-to-Hip Ratio Calculator
Calculate waist-to-hip ratio and cardiovascular health risk level.
Homeowners Insurance Estimator
Estimate homeowners insurance premium by home value, risk level, and deductible.
Blood Pressure Calculator
Check your blood pressure category from systolic and diastolic readings.
Drug Dosage Calculator
Calculate medication dosage from body weight and prescribed dose per kg. Educational only.
Conception Date Calculator
Estimate conception date from your due date or last menstrual period.
Period Calculator
Predict next period, fertile window, and ovulation day from cycle length.
IVF Due Date Calculator
Calculate due date from IVF embryo transfer date for 3-day or 5-day embryos.
Auto Insurance Comparison Calculator
Compare auto insurance coverage levels and annual costs.
Health Insurance Plan Comparison
Compare two health plans at different medical spending levels. Find which plan wins when.
Insurance Deductible Comparison Calculator
Compare high vs low deductible plans. See break-even claims frequency.
Medicare Part B Premium Calculator
Calculate Medicare Part B premium with IRMAA surcharge by income.
Medicare Part D Premium Calculator
Calculate Medicare Part D IRMAA surcharge by income.
Medigap Plan Comparison Calculator
Compare Medigap plans A, F, G, and N by coverage and estimated premium.
Medical Bill Negotiation Calculator
Estimate savings from negotiating medical bills with payment plan options.
Healthcare Cost Comparison Calculator
Compare procedure costs at hospitals, ASCs, and clinics.
HSA Break-Even Calculator
Compare HDHP+HSA vs traditional plan at different medical spending levels.
Copay vs Coinsurance Calculator
Compare copay plan vs coinsurance plan at your expected visit frequency.
Prescription Drug Cost Calculator
Compare brand vs generic and insurance vs GoodRx pricing for medications.
Dental Cost Calculator
Estimate out-of-pocket dental costs with and without insurance by procedure.
Exercise Calorie Comparison Calculator
Compare calories burned across different exercises by duration and weight.