Download All-in-One Calculator: Calc51 V1.0.9 APK From Android App Store No Ads

Everyday calculations and useful specialist tools—all in one app.

Calc51 combines a simple calculator with history, scientific functions, and calculators for percentages, loans, age, fitness, and more. Get a quick total, estimate a monthly payment, or explore a calculation without switching between apps.

EVERYDAY CALCULATOR WITH HISTORY

Handle addition, subtraction, multiplication, and division with a straightforward calculator. Check your calculation history when you need to look back at previous calculations.

• Solve everyday arithmetic
• Calculate percentages and discounts
• Work out percentage increases and decreases
• Review previous calculations

SCIENTIFIC CALCULATOR & MATH TOOLS

Go beyond basic arithmetic with scientific functions and dedicated mathematical calculators.

• Trigonometric and logarithmic functions
• Powers and square roots
• Fraction calculations
• Quadratic equations
• Mean, median, mode, and standard deviation
• Probability, matrices, and prime factorization

LOAN, EMI & INTEREST CALCULATORS

Explore borrowing costs and savings scenarios using your own inputs.

• Loan and EMI calculator for estimated monthly payments
• Mortgage and auto loan calculators
• Simple and compound interest calculators
• Amortization schedules to understand repayment breakdowns
• Credit card and debt payoff calculations
• ROI, APR, discount, and sales tax tools

Change the amount, interest rate, or repayment period to see how the estimated result changes. Financial results are estimates; actual lender terms and fees may differ.

HEALTH & FITNESS CALCULATORS

Find useful estimates for fitness planning and understanding your daily needs.

• BMI and ideal weight calculators
• BMR and TDEE calculators
• Daily calorie and calories burned estimates
• Body fat, macro, and protein intake calculators
• Target heart rate, pace, and one-rep max tools

Health results are general estimates and are not a medical diagnosis or personalised medical advice.

AGE, DATE & DAILY UTILITY TOOLS

Use practical calculators for dates, measurements, study, and everyday tasks.

• Calculate age in years, months, and days
• Find the duration between two dates
• Calculate time durations
• Convert length, weight, temperature, area, volume, and speed
• Calculate GPA
• Split a bill and calculate a tip

MORE USEFUL CALCULATIONS IN ONE PLACE

From a shopping discount to a scientific calculation, Calc51 brings a wide range of tools together in one convenient app.

Install Calc51 and find the calculator you need for your next calculation.