Multi-tool

Multi-tool is an all-in-one toolbox for everyday math and practical calculations.

CALCULATORS
• Scientific expression calculator
• Percent, percent change, fractions & random numbers

CONVERTERS
• Temperature, length, weight, area, volume & speed

HEALTH (informational only)
• BMI, BMR, calorie / TDEE estimates
• Body fat & ideal weight helpers
• Running pace
These tools are educational estimates — not medical advice, diagnosis, or treatment.

FINANCE
• Tip, discount, sales tax & flat tax
• Loan / EMI, interest, compound interest & amortization
• Salary, growth, investment & retirement helpers

ACADEMIC
• GPA & weighted GPA, grade tools
• Mean, standard deviation
• Physics & chemistry helpers (F=ma, Ohm’s law, molarity, and more)

UTILITIES
• QR code generator
• Barcode / QR scanner
• Timer & stopwatch
• Favorites and local history

PRO
Unlock all toolbox categories, remove ads, favorites, full history/export, and voice input with a one-time Lifetime Pro purchase. Restore purchases anytime with the same Google Play account.

PRIVACY
Calculator inputs and preferences stay on your device whenever practical. Free users may see ads via Google AdMob. See our Privacy Policy and Delete data page for details.

Built for students, professionals, and everyday use — fast, clear, and offline-friendly for core tools.
Learn more: https://ultimatecalculator.site