Calculator24
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South African Online Calculators
Professional and Accurate Calculators
Calculate Net Salary from Gross Income
Welcome to Calculator24.co.za, your all-in-one platform for free online calculators designed for everyday life, business, education, finance, automotive needs, health, and more.
Whether you are a student, employee, entrepreneur, driver, homeowner, or business owner, our calculators help you make faster and smarter decisions.
Our calculators are easy to use, mobile-friendly, and built to simplify calculations that people use daily in South Africa.
Use our modern online basic calculator for quick and accurate everyday calculations directly from your phone, tablet, or computer. The calculator features a clean Windows-inspired interface with support for:
- keyboard input,
- scientific functions,
- calculation history.
Perform basic arithmetic, percentages, square roots, memory calculations, and more with a fast lightweight calculator designed for students, workers, businesses, and daily use.
The calculator also includes dark and light themes, copy-to-clipboard support, smooth animations, and customizable design settings for a better user experience.
🚗 Automotive Calculators
Automotive calculators help users make informed decisions when buying, selling, or maintaining vehicles. They include tools for fuel usage, loan repayments, insurance estimates, and depreciation to support smarter vehicle budgeting.
Fuel Consumption Calculator
Calculate your vehicle’s fuel efficiency and estimate fuel usage for trips.
Vehicle Finance Calculator
Estimate monthly car repayments based on vehicle price, deposit, interest rate, and loan term.
Car Finance Affordability Calculator
Estimate how much vehicle financing you may qualify for based on your income and expenses.
Vehicle Balloon Payment Calculator
Estimate balloon payment structures and monthly repayment differences.
💰Finance Calculators
Our finance calculators are designed to help individuals, freelancers, employees, and businesses in South Africa manage taxes, salaries, retirement planning, and overall financial decisions with ease and accuracy.
South African PAYE Calculator
Calculate your monthly PAYE deductions and estimate your take-home salary based on South African tax rates.
Income Tax Calculator
Estimate how much income tax you may owe based on your earnings and tax bracket.
VAT Calculator
Quickly add or remove VAT from prices using South African VAT rates.
Company Tax Calculator
Estimate company tax for businesses operating in South Africa.
Dividend Tax Calculator
Calculate dividend withholding tax and estimate your net dividend income.
Retirement Savings Calculator
Estimate how your retirement savings may grow over time based on contributions and interest.
Tax Refund Calculator
Estimate your potential SARS tax refund based on your deductions and earnings.
Two Pot Calculator
Calculate estimated retirement withdrawal amounts under South Africa’s Two-Pot retirement system.
Provisional Tax Calculator
Estimate provisional tax payments for self-employed individuals and businesses.
Medical Scheme Fees Tax Credit Calculator
Calculate tax credits available for medical scheme contributions to reduce your overall tax liability.
Home Office Tax Calculator
Estimate deductible expenses if you work from home and qualify for home office tax relief.
Taxable Local Interest Calculator
Calculate tax payable on interest earned from local South African investments.
Travel Deduction Tax Calculator
Estimate allowable travel deductions for business or work-related travel expenses.
Turnover Tax Calculator
Calculate simplified tax for small businesses based on annual turnover under South African tax rules.
🎓 Education Calculators
Education calculators support South African learners and university students by estimating study costs, APS Score, marks averages, and academic progress. They help students plan effectively and track performance throughout their educational journey.
APS Score Calculator
Calculate your APS score for South African universities including UCT, Wits, UP, UJ, TUT, UKZN, DUT, NWU, and many more.
GPA Calculator
Calculate your Grade Point Average based on your subjects and marks.
Pass Mark Calculator
Estimate the minimum marks required to pass a subject or module.
Final Exam Average Calculator
Calculate the marks you need in your final exam to achieve your target result.
Weighted Average Calculator
Calculate weighted averages for assignments, tests, projects, and exams.
Grade Improvement Calculator
Estimate how much your marks need to improve to reach your academic goals.
AI Year Planner
Plan your academic year, study schedule, and important goals more effectively.
🩺 Health Calculators
Health calculators help users monitor key wellness indicators like BMI, calorie needs, body fat percentage, waist-to-hip ratio, and heart rate. They support healthier lifestyle choices and fitness goal tracking.
Body Mass Index (BMI) Calculator
Determines whether your body weight is within a healthy range based on your height and weight measurements.
Calorie Needs Calculator:
Estimates your daily calorie requirements based on age, gender, weight, height, and activity level to support your fitness goals.
Body Fat Percentage Calculator:
Calculates the proportion of fat in your body compared to lean mass to help you track overall fitness and health.
Waist-to-Hip Ratio Calculator:
Measures fat distribution in your body and helps assess potential health risks linked to obesity.
Heart Rate Calculator:
Helps you determine your resting and target heart rate zones for safe and effective exercise training.
🏡 Property Calculators
Property calculators assist with real estate decisions such as bond repayments, affordability checks, transfer duties, and rental yields. They help buyers and investors understand the full financial impact of property ownership.
Bond Repayment Calculator
Helps you estimate your monthly home loan repayments based on property price, interest rate, and loan term so you can plan your budget with confidence.
Home Loan Affordability Calculator
Determines how much you can afford to borrow for a property based on your income, expenses, and financial commitments.
Transfer Duty Calculator
Calculates the government transfer costs payable when buying a property so you can understand the true cost of purchasing a home.
Deposit Calculator
Estimates the upfront deposit required when purchasing a property based on the purchase price and lending requirements.
Rent vs Buy Calculator
Compares the long-term financial impact of renting versus buying a property to help you make a better housing decision.
Extra Payment Savings Calculator
Shows how making additional payments on your bond can reduce interest costs and shorten your loan repayment period.
Insurance Estimate Calculator
Estimates property insurance costs to help you budget for ongoing home ownership expenses.
🌍 Daily Life Calculators
Daily life calculators make everyday tasks easier by handling simple but useful calculations like age, time differences, date ranges, months between dates, and countdowns. They help users quickly understand timelines, durations, and personal milestones without manual counting.
Daily Life Calculators
Simple tools designed to help with everyday calculations and time management.
Age Calculator
Calculate your exact age in years, months, and days.
Time Duration Calculator
Calculate the difference between two times or dates.
Months Between Dates Calculator
Find the number of months between two dates quickly and accurately.