Health & Insurance

ACA marketplace, HSA, Medicare, BMI, calorie, and insurance calculators.

H

HSA Calculator

2026

Calculate HSA tax savings, investment growth, and projected balance at retirement. See the triple tax advantage in action.

B

BMI Calculator

Calculate your Body Mass Index (BMI) with height and weight. See your BMI category and healthy weight range.

C

Calorie Calculator (TDEE)

Calculate daily calories for maintenance, weight loss, or gain using the Mifflin-St Jeor equation and your activity level.

S

Sleep Calculator

Find the best bedtime or wake-up time based on 90-minute sleep cycles for optimal rest.

W

Water Intake Calculator

Calculate how much water you should drink daily based on your weight, activity level, and climate.

P

Pregnancy Due Date Calculator

Calculate your estimated due date from last period, conception date, or IVF transfer date. See trimester milestones.

B

Body Fat Calculator (Navy Method)

Estimate body fat percentage using the US Navy circumference method. See body fat category and lean body mass.

M

Macro Calculator

Calculate daily protein, fat, and carb targets based on your calorie goal and fitness objectives.

B

BAC Calculator (Blood Alcohol Content)

Estimate blood alcohol content based on drinks consumed, body weight, and time. For educational purposes only.

W

Weight Loss Calculator

Calculate daily calories and timeline to reach your goal weight at a safe rate of loss.

A

ACA Marketplace Subsidy Calculator

2026

Estimate your Affordable Care Act premium tax credit based on income, household size, and plan level.

M

Medicare Premium Calculator (IRMAA)

Calculate Medicare Part B and Part D premiums with IRMAA surcharges based on your income.

S

Smoking Cost Calculator

Calculate how much smoking costs you per day, month, year, and decade. See what you could buy instead.

L

Life Insurance Needs Calculator

Calculate how much life insurance coverage you need based on income, debts, dependents, and existing coverage.

R

Renters Insurance Calculator

Estimate renters insurance premium based on personal property value, coverage type, and deductible.

F

Flood Insurance Calculator

Estimate NFIP flood insurance premium by flood zone, property value, and deductible.

U

Umbrella Insurance Calculator

Estimate umbrella insurance premium for $1M-$5M coverage. See when umbrella coverage makes sense.

L

Long-Term Care Cost Calculator

Estimate long-term care costs for home health, assisted living, or nursing home with inflation projection.

T

Travel Insurance Calculator

Estimate travel insurance premium for domestic or international trips based on cost and coverage level.

I

Ideal Weight Calculator

Calculate your ideal weight by height and frame size using the Devine formula.

P

Pregnancy Weight Gain Calculator

Calculate recommended pregnancy weight gain by week based on pre-pregnancy BMI.

C

Child Growth Percentile Calculator

Estimate your child's weight and height percentile compared to CDC growth charts.

H

Health Insurance Premium Estimator

Estimate health insurance premiums by age, plan tier, and household size.

D

Disability Insurance Calculator

Estimate disability insurance premium based on income, benefit period, and elimination period.

H

Healthcare Deductible Calculator

See your total out-of-pocket cost at different medical spending levels. Compare bronze, silver, gold plans.

F

FSA Calculator (Flexible Spending Account)

2026

Calculate FSA tax savings and recommended contribution. 2025 limit: $3,300 healthcare.

C

COBRA Calculator

Calculate COBRA continuation cost vs marketplace alternatives. See total cost for 18-36 months.

H

HSA vs Traditional Health Plan Calculator

Compare total cost of HDHP+HSA vs traditional health plan at different medical spending levels.

P

Protein Intake Calculator

Calculate daily protein needs based on weight, goal, and activity level. See food sources.

I

Intermittent Fasting Calculator

Plan your IF schedule for 16:8, 18:6, 20:4, or OMAD. See eating windows and meal timing.

K

Kidney GFR Calculator

Estimate glomerular filtration rate (eGFR) from creatinine. See CKD stage classification.

A

A1C Calculator

Convert between A1C and average blood glucose. See diabetes risk classification.

C

Cholesterol Ratio Calculator

Calculate TC/HDL, LDL/HDL, and triglyceride ratios. See cardiovascular risk levels.

H

Heart Disease Risk Calculator

Estimate 10-year cardiovascular risk based on age, cholesterol, blood pressure, and lifestyle.

I

Insulin Dose Calculator

Calculate correction and meal insulin doses from blood sugar, carbs, and ratios. Educational only.

C

Child Height Predictor

Predict adult height from parent heights using the mid-parental method.

S

Sunscreen Calculator

Calculate sun protection time based on skin type, UV index, and SPF. Get reapplication schedule.

E

Elder Care Cost Calculator

Compare elder care costs: in-home aide, adult day care, assisted living, and nursing home by state.

P

Pet Insurance Cost Calculator

Estimate pet insurance premium by species, breed, age, coverage level, and deductible.

B

Body Recomposition Calculator

Calculate calories and protein for losing fat while maintaining muscle mass.

M

Macro Split Calculator

Calculate protein, fat, and carb grams from calories and diet type (balanced, keto, high protein).

T

TDEE Calculator (Total Daily Energy Expenditure)

Calculate comprehensive TDEE including BMR, TEF, NEAT, and exercise activity.

I

Intermittent Fasting Schedule Calculator

Plan your IF eating window for 16:8, 18:6, 20:4, OMAD, or 5:2 protocols.

B

Body Surface Area Calculator

Calculate BSA using DuBois and Mosteller formulas from height and weight.

W

Waist-to-Hip Ratio Calculator

Calculate waist-to-hip ratio and cardiovascular health risk level.

H

Homeowners Insurance Estimator

Estimate homeowners insurance premium by home value, risk level, and deductible.

B

Blood Pressure Calculator

Check your blood pressure category from systolic and diastolic readings.

D

Drug Dosage Calculator

Calculate medication dosage from body weight and prescribed dose per kg. Educational only.

C

Conception Date Calculator

Estimate conception date from your due date or last menstrual period.

P

Period Calculator

Predict next period, fertile window, and ovulation day from cycle length.

I

IVF Due Date Calculator

Calculate due date from IVF embryo transfer date for 3-day or 5-day embryos.

A

Auto Insurance Comparison Calculator

Compare auto insurance coverage levels and annual costs.

H

Health Insurance Plan Comparison

Compare two health plans at different medical spending levels. Find which plan wins when.

I

Insurance Deductible Comparison Calculator

Compare high vs low deductible plans. See break-even claims frequency.

M

Medicare Part B Premium Calculator

Calculate Medicare Part B premium with IRMAA surcharge by income.

M

Medicare Part D Premium Calculator

Calculate Medicare Part D IRMAA surcharge by income.

M

Medigap Plan Comparison Calculator

Compare Medigap plans A, F, G, and N by coverage and estimated premium.

M

Medical Bill Negotiation Calculator

Estimate savings from negotiating medical bills with payment plan options.

H

Healthcare Cost Comparison Calculator

Compare procedure costs at hospitals, ASCs, and clinics.

H

HSA Break-Even Calculator

Compare HDHP+HSA vs traditional plan at different medical spending levels.

C

Copay vs Coinsurance Calculator

Compare copay plan vs coinsurance plan at your expected visit frequency.

P

Prescription Drug Cost Calculator

Compare brand vs generic and insurance vs GoodRx pricing for medications.

D

Dental Cost Calculator

Estimate out-of-pocket dental costs with and without insurance by procedure.

E

Exercise Calorie Comparison Calculator

Compare calories burned across different exercises by duration and weight.