Multi-tool: Calc & Convert

Multi-tool is an all-in-one toolbox for everyday math and practical calculations. Core tools work offline on your device.

CALCULATORS

• Scientific expression calculator

• Percent, percent change, fractions and random numbers

CONVERTERS

• Temperature, length, weight, area, volume and speed

HEALTH (informational only)

• BMI, BMR, calorie / TDEE estimates

• Body fat and ideal weight helpers

• Running pace

These tools are educational estimates — not medical advice, diagnosis, or treatment.

FINANCE

• Tip, discount, sales tax and flat tax

• Loan / EMI, interest, compound interest and amortization

• Salary, growth, investment and retirement helpers

ACADEMIC

• GPA and weighted GPA, grade tools

• Mean, standard deviation

• Physics and chemistry helpers (F=ma, Ohm’s law, molarity, and more)

UTILITIES

• QR code generator

• Barcode / QR scanner

• Timer and 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.

Learn more: https://ultimatecalculator.site

Privacy: https://ultimatecalculator.site/privacy

Delete data: https://ultimatecalculator.site/delete-data