Calc: Mortgage, BMI, Tip & 175

175+ calculators that work fully offline — mortgage, loan, BMI, tip and more. No tracking or sign-up. New: Home Screen widgets + mortgage charts.

Calculators is a fast, private collection of 175+ calculators that work fully offline on your iPhone, iPad, and Mac. No tracking. No sign-up. Open it, get your answer, move on.

FINANCE • Mortgage — full payment breakdown (principal, interest, taxes, insurance, PMI, HOA), amortization schedule, and a payoff chart • Loan, refinance, compound and simple interest, sales tax, credit-card payoff, 401(k), Roth IRA, CD

HEALTH • BMI, body fat, lean body mass, calorie needs and TDEE, ovulation, gestational age

EVERYDAY • Tip, discount, percentage, and the basic calculator you reach for all day

CONVERTERS • Length, temperature, volume, pressure, frequency, cooking, shoe and paper sizes

DATE & TIME • Age, date difference, business days, add or subtract days, time duration

CONSTRUCTION • Flooring, drywall, concrete, carpet, topsoil, gutters, and other project estimators

BUILT FOR SPEED AND PRIVACY • 100% offline — every calculation runs on your device • No accounts or analytics; your numbers never leave your device • Home Screen widgets for the calculators you use most • Pin favorites, keep a history, and pick up where you left off • Share any result as a clean image with a QR code back to your numbers • Light and dark themes with four accent colors • Native on iPhone, iPad, and Mac

Free, forever. Missing a calculator you need? Tell us at support@onlinecalculator.me.