iPhone & Android

CalcHub

All-in-One Calculator — 170 free calculators in one simple, private app.

What's inside

Money: mortgage, auto loan, credit card payoff, compound interest, 401(k), retirement
Paycheck & taxes: take-home pay, 2026 federal brackets, capital gains, self-employment tax, sales tax by state
Health: BMI, calories, macros, body fat, pregnancy due date
School: GPA, final grade, test scores
Dates & everyday: days between dates, holidays, tip & bill split, unit converter and more

All calculations run on your device and work offline. No account needed.

Questions, feedback or a calculator request? Email glrerdn25@gmail.com. We usually reply within 2 business days.

Restore your "Remove Ads" purchase: open the app → Settings (gear icon) → Restore.

Results are estimates for general information only and are not financial, tax, legal or medical advice.