Ox Calculator · 40 tools
Your #1 source for free, fast, and accurate online calculators.
Your go-to source for accurate and easy-to-use online calculators.
Calculate your exact age in years, months, days, hours, and minutes with our precise age calculator
Date CalculatorCalculate date differences, add or subtract days, weeks, months, and years from any date
Percentage CalculatorCalculate percentages, percentage increase, decrease, and percentage of a number
Time CalculatorAdd, subtract, and convert time in hours, minutes, and seconds
Days CalculatorCalculate days between dates, add or subtract days from a specific date
Hours CalculatorCalculate hours between times, add or subtract hours, and convert time formats
Fraction CalculatorAdd, subtract, multiply, divide fractions and convert between fractions and decimals
Grade CalculatorCalculate grades, GPA, weighted grades, and letter grades from percentages
Subnet CalculatorCalculate subnet masks, network addresses, broadcast addresses, and IP ranges
Scientific CalculatorFree online scientific calculator with trigonometric, logarithmic, and advanced math functions
Fuel Cost CalculatorCalculate fuel costs, consumption, and cost per distance for any trip
GPA CalculatorCalculate your Grade Point Average (GPA) with weighted courses using the standard 4.0 scale
Countdown CalculatorCalculate days, hours, minutes, and seconds until any date or event
Ratio CalculatorSolve proportions, simplify ratios, and find equivalent ratios with step-by-step solutions
Standard Deviation CalculatorCalculate standard deviation, variance, mean, median, mode, and range from your data set with steps
Square Footage CalculatorCalculate area for rectangles, circles, triangles, and trapezoids with unit conversions
Square Root CalculatorCalculate square roots, cube roots, and nth roots with step-by-step solutions
Calculate your Body Mass Index (BMI) and get personalized health insights with our professional BMI calculator
BMR/TDEE CalculatorCalculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) with activity-based calorie targets
Water Intake CalculatorEstimate your daily water intake based on body weight, activity level, and climate conditions
Pregnancy Due Date CalculatorCalculate your due date, current pregnancy week, trimester, and important milestones
Body Fat CalculatorCalculate your body fat percentage using the Navy method or BMI-based estimation
Calorie CalculatorCalculate calories in common foods and track your daily calorie intake for weight goals
Sleep CalculatorCalculate optimal bedtime or wake time based on 90-minute sleep cycles for better rest
Ovulation CalculatorPredict your ovulation date, fertile window, and next period based on your menstrual cycle
Ideal Weight CalculatorCalculate your ideal body weight using Devine, Hamwi, Robinson, and Miller formulas with BMI-based range
Calculate monthly mortgage payments, total interest, and amortization schedules
Loan CalculatorCalculate loan payments, interest rates, and repayment schedules for any loan type
VAT CalculatorCalculate VAT (Value Added Tax), add or remove VAT from prices
Bivariate Statistics CalculatorComprehensive bivariate statistics calculator for Ox, Oy on Financial analysis, correlation, and regression
Salary CalculatorCalculate net salary, taxes, and take-home pay from gross salary
Compound Interest CalculatorCalculate compound interest, future value of investments, and savings growth
IBAN CalculatorValidate and generate IBAN numbers for international bank transfers
Tax CalculatorCalculate income tax, tax brackets, and tax refunds for different countries
Tip CalculatorCalculate tips, split bills, and find per-person costs for any group size
Discount CalculatorCalculate sale prices, savings amounts, and final costs after discounts and tax
Profit Margin CalculatorCalculate gross profit, profit margin percentage, and markup from cost and revenue
Inflation CalculatorCalculate the impact of inflation on purchasing power and adjust prices over time
Retirement CalculatorCalculate retirement savings goals, monthly contributions needed, and projected retirement income
Salary to Hourly CalculatorConvert between annual salary, monthly pay, and hourly wage with accurate pay rate conversion
Why Choose Ox Calculator?
Fast & Simple
No registration required. Just open and use instantly to get the results you need.
Accurate & Reliable
Built on standard, trusted formulas to ensure your results are precise and correct.
Secure & Private
We minimize data handling, avoid account creation, and do not store submitted calculation inputs as personal profiles.
Why Choose Ox Calculator?
Your go-to source for accurate and easy-to-use online calculators.
Accuracy & Reliability
Every calculator is built using standard formulas and thoroughly tested to ensure precise results.
Mobile Friendly
Responsive design that works perfectly on desktop, tablet, and mobile devices.
Pair our calculators with dedicated SEO content tools to turn your data into search-friendly articles.