All-in-One Calculator

All-in-One Calculator is your ultimate, 100% offline calculation and conversion companion designed for students, engineers, tradespeople, contractors, and everyday users. From simple math to advanced scientific equations, financial planning, and specialized industrial tools, get fast, accurate results without needing an internet connection.

⚡ KEY HIGHLIGHTS:
• 100% Offline & Private: No internet required, zero tracking, and no data leaves your device.
• Clean & Modern Material Design: Sleek, high-contrast interface with customizable Dark, Light, and System themes.
• Multilingual Support: Fully localized in English, Urdu (اردو), and Uzbek (O'zbek).
• History & Favorites: Instantly save frequently used tools and review past calculations with a single tap.

🧮 16+ POWERFUL SMART ENGINES & TOOLS:

1. Standard & Scientific Calculator
• High-precision arithmetic, trigonometry (sin, cos, tan), logarithms, powers, roots, factorials, and constants (π, e).

2. Unit & Dimension Converters
• Length Converter: Millimeters, centimeters, meters, kilometers, inches, feet, yards, miles, and nautical units.
• Weight & Mass Converter: Grams, kilograms, metric tons, ounces, pounds, stone, and carats.
• Area Converter: Square meters, square feet, acres, hectares, kanals, marlas, and bighas.
• Volume & Packaging: Liters, milliliters, gallons, cubic meters, cubic feet, plus box volume & packing capacity estimators.

3. Everyday & Business Finance
• Loan & EMI Calculator with amortization breakdown.
• Compound & Simple Interest, Profit/Margin, Discount, Tip Splitter, and GST / Sales Tax calculations.

4. Engineering & Trade Tools
• Construction & Masonry: Estimate bricks, concrete bags, mortar volume, plaster, and tiles required for any project.
• Electrical Engineering: Ohm's Law, power (Watts), voltage drop, current (Amps), and wire gauge selector.
• Solar & Inverter Estimator: Calculate required solar panel wattage, battery backup hours, and inverter capacity.
• Workshop & Machining: Cutting speed (RPM/SFM), feed rate, drill tap charts, and milling formulas.
• Screw & Bolt Reference: Metric & Imperial bolt sizes, pitch, thread charts, and spanner/wrench size matchers.
• Garment & Textile: Fabric consumption, GSM calculator, yarn count conversions, and cutting yield estimates.
• Speed, Distance & Fuel Mileage: Fuel economy (MPG, km/L, L/100km), trip cost planner, and speed conversions.
• Ratio & Dilution Mixing: Chemical dilution ratios, paint mixtures, fertilizers, and concrete proportioning.
• Fraction & Ratio Calculator: Add, subtract, multiply, divide, and simplify complex fractions with step-by-step clarity.
• Time & Work Hours: Shift duration, overtime tracker, payroll hours calculator, and date interval calculations.

Why install multiple separate apps when you can have every tool, converter, and formula in a single, lightweight, battery-friendly app?

Download All-in-One Calculator today and simplify your daily calculations!