ganak.app

480+ calculators for finance, health, math, science, tax & everyday life.

Full Description:

The only calculator app you'll ever need.

Ganak puts 480+ purpose-built calculators in one fast, clean app. No sign-up. No subscriptions. No paywalls. Just accurate answers, instantly.

INVESTMENT & SAVINGS
SIP, Step Up SIP, Lumpsum, CAGR, XIRR, Mutual Fund, SWP, IDCW, NPV, ROI, FIRE, Dividend, Rent vs Buy, Rental Yield, FD, RD, APY, CD, Emergency Fund, Savings Goal, and more.

LOANS & EMI
Home Loan, Car Loan, Personal Loan, Amortization, Mortgage Payoff, HELOC, Refinance, Closing Cost, Lease, DTI — compare every option before you sign.

RETIREMENT
401(k), Roth IRA, RMD, Social Security, UK Pension, Annuity, and a global Retirement Calculator with multi-currency support.

TAX — India, US, UK & Australia
Income Tax (Old & New Regime), GST, Capital Gains for 10 asset types, TDS, Sales Tax, VAT, Stamp Duty (UK/AU/India), Inheritance Tax, 1031 Exchange, and Powerball Jackpot Tax.

SALARY & BUSINESS
Paycheck (US/UK), Salary to Hourly, Overtime, Commission, Gratuity, Payroll, BAH, VA Disability, Cost of Living, Markup, Margin, Break Even, CPM, Depreciation, Engagement Rate, Productivity, and more.

HEALTH & MEDICAL
BMI, BMR, TDEE, Body Fat, A1C, Blood Pressure, eGFR, QTc, CHA₂DS₂-VASc, ASCVD Risk, Anion Gap, BAC, Peptide, Life Expectancy, Weight Loss, Caffeine Half-Life, Sleep Debt — from daily wellness to clinical decision support.

WOMEN'S HEALTH
Ovulation, Conception, Pregnancy Due Date, Pregnancy Week, and Period Calculator.

FITNESS & SPORTS
One Rep Max, VO2 Max, Pace, Swim Pace, Rucking Calories, Protein Intake, DOTS, RPE, Cricket Run Rate, Draw Length, and Arrow Spine.

MATH — 49 calculators
Percentage, Algebra, Fractions, Quadratic Formula, Pythagorean Theorem, Derivative, Integral, Matrix, Standard Deviation, Z-Score, T-Test, Fibonacci, Golden Ratio, Sig Figs, and many more — the most complete math toolkit on mobile.

ACADEMIC & EXAM
GPA, CGPA, Grade Calculator, Negative Marking, Attendance, SAT, PSAT, ACT, and ATAR.

SCIENCE
Molarity, pH, Dilution, Hardy-Weinberg, Kinetic & Potential Energy, Water Potential, Flow Rate, and Reynolds Number.

CONSTRUCTION — 27 calculators
Concrete, Asphalt, Gravel, Brick, Rebar, Drywall, Paint, Roofing, Flooring, Stair, Fence, Solar Panel, Pool Volume, Square Footage, and more.

AUTO & MOTORSPORT
Tire Size, Gear Ratio, RPM, Towing Capacity, Dynamic Compression, Prop Slip, and 2-Stroke Oil Mix.

140+ UNIT CONVERTERS
Currency (150+ live rates with trend charts), plus dedicated pages for weight, length, temperature, and data size conversions — kg↔lbs, cm↔inches, °C↔°F, MB↔GB, and 120+ more. Specialized converters for cooking, gold, shipping, shoe size, and Indian land units.

DATE & TIME
Age, Birthday, Half Birthday, Date Duration, Workdays, Business Days, Military Time, Time Zone, and Epoch Converter.

STYLING & SIZE
Body Shape, Face Shape, Ring Size, Dress, Suit, Shirt, Bra Size, Circle Skirt, and more.

TECH
PC PSU, Bottleneck, Subnet, RAID, 2's Complement, Binary to Gray Code, PPI, and Screen Size.

SPIRITUALITY & ASTROLOGY
Birth Chart, Moon Sign, Rising Sign, Nakshatra, Dasha, Saturn Return, Sade Sati, Vastu, Numerology, Gematria, Angel Number, Zakat — powered by NASA JPL astronomy data.

PLUS: Legal, Food, Probability, Travel, Design, Developer Tools, and Fun calculators.

Why users trust Ganak:
• 480+ calculators in a single app
• No paywalls, no subscriptions
• Works offline
• Lightning-fast, clean interface
• Built for India, US, UK & Australia
• No account needed
• New calculators added every week

Whether you're a student, doctor, engineer, investor, business owner, or just someone splitting a dinner bill — Ganak has the exact calculator you need.

Calculations done, right.