The Complete Tool Hub

Free Health, Fitness & Finance Calculators

Browse every CheckBodyScore calculator by topic. Each tool runs in your browser and explains its formula, assumptions, and limitations.

Quick Answer

CheckBodyScore offers 70+ free calculators for BMI, body fat, BMR, TDEE, pregnancy, and everyday planning. Every tool runs privately in your browser, states its formula and limitations, and is reviewed against clinical or professional standards where health metrics are involved.

Health & Body Composition

BMI CalculatorScreen weight status and health risk from height and weight.5 inputs · live · 4 FAQ answersBody Fat CalculatorEstimate body composition with just a tape measure.6 inputs · live · 4 FAQ answersIdeal Weight CalculatorFind the weight range linked to the lowest health risk.2 inputs · live · 4 FAQ answersWaist-to-Hip Ratio CalculatorCheck where your body stores fat, apple vs pear.3 inputs · live · 4 FAQ answersWaist-to-Height CalculatorApply the 0.50 rule for cardiometabolic risk.2 inputs · live · 4 FAQ answersHeart Age CalculatorTranslate risk factors into an age you can feel.8 inputs · live · 4 FAQ answersBody Surface Area CalculatorCompute the area used for medication dosing.2 inputs · live · 4 FAQ answersBiological Age CalculatorEstimate how fast your lifestyle is ageing you.9 inputs · live · 4 FAQ answersCHD Risk CalculatorEstimate 10-year coronary event risk (Framingham).8 inputs · live · 4 FAQ answersGFR CalculatorScreen kidney filtration from a creatinine value.4 inputs · live · 4 FAQ answersMetabolic Age CalculatorCompare your resting burn with your age group.4 inputs · live · 4 FAQ answersBody Fat Skinfold CalculatorMeasure body fat with calipers, 3 sites.7 inputs · live · 4 FAQ answersBody Fat (USMC) CalculatorCheck U.S. Marine Corps body-fat standards.6 inputs · live · 4 FAQ answersBody Fat (Coast Guard) CalculatorCheck Coast Guard body-fat standards.6 inputs · live · 4 FAQ answersBMI-for-Age CalculatorFind a child’s CDC growth percentile (ages 2–20).5 inputs · live · 4 FAQ answersBody Frame Size CalculatorClassify skeletal build from wrist circumference.3 inputs · live · 3 FAQ answersWeight Loss Goal Date CalculatorProject a realistic weight-loss timeline.3 inputs · live · 3 FAQ answersBody Fat Method Comparison CalculatorSee what four body-fat methods say on one input set.7 inputs · live · 3 FAQ answers

Fitness & Performance

Nutrition

Pregnancy & Fertility

Lifestyle & Sleep

Medical & Clinical

Personal Finance

Mortgage/Loan CalculatorSee payment, interest, and the true loan cost.3 inputs · live · 4 FAQ answersRetirement Savings CalculatorProject the nest egg your habits build.5 inputs · live · 4 FAQ answers401(k) Contribution CalculatorModel employer-match compounding growth.6 inputs · live · 4 FAQ answersInvestment Return CalculatorAnnualize returns with ROI and CAGR.3 inputs · live · 4 FAQ answersNet Worth CalculatorTrack the single best snapshot of wealth.7 inputs · live · 4 FAQ answersDebt-to-Income Ratio CalculatorKnow your DTI before lenders do.3 inputs · live · 4 FAQ answersCost of Living CalculatorCompare salaries across cities.3 inputs · live · 4 FAQ answersHealth Insurance Subsidy CalculatorEstimate ACA premium tax credits.2 inputs · live · 4 FAQ answersCompound Interest CalculatorWatch compounding turn time into money.5 inputs · live · 4 FAQ answersSalary CalculatorConvert pay periods and estimate take-home.3 inputs · live · 4 FAQ answersInflation CalculatorFuture-proof goals against rising prices.3 inputs · live · 4 FAQ answersSales Tax CalculatorCompute checkout totals including tax.2 inputs · live · 4 FAQ answersDiscount CalculatorSee final prices after stacked discounts.3 inputs · live · 4 FAQ answersCar Loan CalculatorPrice auto payments and total interest.4 inputs · live · 4 FAQ answersPaycheck CalculatorBreak down gross pay into net take-home.3 inputs · live · 4 FAQ answersCredit Card Payoff CalculatorPlan the fastest route out of card debt.3 inputs · live · 4 FAQ answersBudget Planner CalculatorSplit income with the 50/30/20 rule.1 inputs · live · 4 FAQ answersSavings Goal CalculatorTurn a goal into the monthly deposit needed.3 inputs · live · 4 FAQ answersLoan Interest CalculatorPrice simple-interest borrowing honestly.3 inputs · live · 4 FAQ answers