CalcQ - All-In-One Calculator

CalcQ is a FREE, all-in-one calculator built for everyday problems — no clutter, no fake tools, just accurate math in one clean app.

Everything runs 100% offline. No internet, no account, no data sent anywhere — your calculations stay on your device.

WHAT'S INSIDE
Scientific calculations, unit conversions, loan, math, geometry, concrete estimating, BMI, dates, and fuel costs — all in one app, all offline, all free to use.

It's completely FREE. Every calculator works with no paywall. Want to remove ads and unlock voice input & spoken results? A one-time premium upgrade is available — but CalcQ is fully usable for free from day one.

⚙️ SCIENTIFIC CALCULATOR
• Live expression evaluation as you type
• Trig functions (sin, cos, tan, csc, sec, cot) — DEG/RAD/GRAD
• Logarithms (log10, ln, log2), exponentials, powers, roots, factorials
• Constants: π, e, √2, √3 and more
• Memory keys — M+, M−, MR, MC
• Calculation history
• Voice input & spoken results (Voice Calculator is Premium)

🔁 UNIT CONVERTER
Convert instantly across 13 categories, live as you type:
Length, Mass, Area, Volume, Temperature, Speed, Time, Data, Pressure, Energy, Power, Torque, Angle

🏦 LOAN CALCULATORS WITH GRAPH
Three real tools for real financial decisions — mortgages, car loans, personal loans:
• Loan Repayment — repayment amount, total interest, total cost across weekly/fortnightly/monthly schedules
• Extra Repayments — see time and interest saved by paying extra
• Loan Comparison — compare two loan offers side by side

**GEOMETRY CALCULATOR**
Solve area, perimeter, and missing sides/angles for 10 shapes, each with a visual diagram:
• Square, Rectangle, Triangle, Right Triangle
• Circle, Circle Arc, Ellipse
• Pentagon, Hexagon, Rhombus, Trapezoid

**CONCRETE CALCULATOR FOR TRADES**
Estimate concrete volume, bags needed, and cost for real job-site pours:
• Slabs, Columns, Curbs, Tubes (post holes), Stairs

⚖️ BMI CALCULATOR
Metric or Imperial input, instant BMI with visual category gauge

📅 DATE & TIME CALCULATOR
Add or subtract years, months, weeks, days, hours, minutes from any date

⛽ FUEL COST CALCULATOR
Work out what a trip actually costs — flexible units for distance, efficiency, price

More calculators are on the way. CalcQ All In One Calculator is built to grow — without turning into bloatware.