115+ Free Online Calculators
South Africa's most comprehensive calculator collection. Financial, health, math, conversion, and everyday tools โ all free, instant, and private.
Financial Calculators
South African financial calculators for tax, loans, bonds, retirement, and investments. Updated for 2026 SARS rates.
South African Income Tax Calculator
Calculate your South African income tax for 2025/2026 tax year. Uses l...
Bond Repayment Calculator
Calculate your monthly bond repayment in South Africa. See total inter...
PAYE Calculator South Africa
Calculate your monthly PAYE tax deduction for the 2025/2026 tax year. ...
Salary Calculator South Africa
Calculate your net salary after PAYE tax, UIF, and pension deductions ...
VAT Calculator South Africa
Calculate VAT in South Africa. Add or remove 15% VAT. Convert between ...
Compound Interest Calculator
Calculate compound interest on your savings and investments. See how y...
Loan Calculator
Calculate your monthly loan repayment in South Africa. Works for perso...
Retirement Calculator South Africa
Calculate how much you need for retirement in South Africa. Factor in ...
Health & Fitness Calculators
Free health calculators including BMI, calorie, pregnancy due date, body fat, and more.
BMI Calculator
Calculate your BMI (Body Mass Index) instantly. See if you are underwe...
Calorie Calculator
Calculate how many calories you need per day to maintain, lose, or gai...
Pregnancy Due Date Calculator
Calculate your estimated due date based on your last menstrual period ...
BMR Calculator
Calculate your Basal Metabolic Rate (BMR) โ the calories your body bur...
Ideal Weight Calculator
Calculate your ideal weight based on height, age, and gender. Uses mul...
Body Fat Calculator
Estimate your body fat percentage using the US Navy method. Enter your...
Macro Calculator
Calculate your daily macronutrient needs for your fitness goal. Get pe...
Ovulation Calculator
Calculate your most fertile days and ovulation date based on your mens...
Math Calculators
Online math calculators for percentages, fractions, algebra, and scientific calculations.
Percentage Calculator
Calculate percentages easily. What is X% of Y? What percentage is X of...
Fraction Calculator
Calculate fractions online. Add, subtract, multiply, and divide fracti...
Scientific Calculator
Free online scientific calculator with trigonometric functions, logari...
Square Root Calculator
Calculate the square root of any number. Also calculates cube roots an...
Exponent Calculator
Calculate exponents (powers) of any number. Compute x^n for any base a...
Ratio Calculator
Calculate and simplify ratios. Solve for missing values in proportions...
Standard Deviation Calculator
Calculate standard deviation, variance, mean, median, and mode for any...
Average Calculator
Calculate the average (mean), median, mode, and range of a set of numb...
Conversion Calculators
Unit conversion tools for length, weight, temperature, volume, area, and more.
Length Converter
Convert between length units including metres, feet, inches, centimetr...
Weight Converter
Convert between weight and mass units including kilograms, pounds, oun...
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin temperature scales ins...
Currency Converter
Convert South African Rand to and from other currencies. See latest ex...
Area Converter
Convert between area units including square metres, hectares, acres, s...
Volume Converter
Convert between volume units including litres, millilitres, gallons, c...
Speed Converter
Convert between speed units including km/h, mph, m/s, and knots....
Data Storage Converter
Convert between data storage units including bytes, KB, MB, GB, TB, an...
Business Calculators
Business calculators for profit margin, break-even, ROI, VAT, and more. South African business tools.
Profit Margin Calculator
Calculate gross profit margin, net profit margin, and markup percentag...
Discount Calculator
Calculate the discounted price and savings. Works with percentage off,...
Markup Calculator
Calculate markup percentage, selling price, or cost price. Understand ...
Break Even Calculator
Calculate your break-even point. How many units or how much revenue yo...
ROI Calculator
Calculate the return on investment (ROI) for any investment or busines...
Tip Calculator
Calculate how much to tip at restaurants, hairdressers, and for servic...
Payroll Calculator
Calculate total employment cost in South Africa including salary, UIF,...
Bill Split Calculator
Split a restaurant bill or shared expense between friends. Equal split...
Construction Calculators
Construction calculators for concrete, bricks, roofing, paint, and building materials in South Africa.
Concrete Calculator
Calculate how much concrete you need in cubic metres or bags. For slab...
Construction Cost Calculator
Estimate building costs in South Africa per square metre. Covers basic...
Brick Calculator
Calculate the number of bricks needed for a wall. Accounts for mortar ...
Paint Calculator
Calculate how much paint you need for your room or house. Accounts for...
Tile Calculator
Calculate the number of tiles needed for floors or walls. Accounts for...
Land Area Calculator
Calculate the area of land or a plot in square metres, hectares, or ac...
Gravel Calculator
Calculate how much gravel, sand, or stone you need in cubic metres or ...
Roof Calculator
Calculate roof area and materials needed for roofing sheets, tiles, or...
Date & Time Calculators
Date calculators for age, days between dates, working days, and time zone conversions.
Age Calculator
Calculate your exact age in years, months, and days. Also calculate ag...
Date Calculator
Add or subtract days, weeks, months, or years from any date. Find the ...
Days Between Dates Calculator
Calculate the number of days, weeks, months, and years between two dat...
Time Calculator
Add or subtract hours, minutes, and seconds. Calculate time duration b...
Working Days Calculator
Calculate working/business days between two dates in South Africa. Exc...
Time Zone Converter
Convert time between South African Standard Time (SAST) and other time...
Birthday Calculator
Calculate days until your next birthday, what day you were born on, an...
Zodiac Sign Calculator
Find your zodiac sign based on your date of birth. See traits, compati...
Everyday Calculators
Everyday calculators for tips, fuel costs, electricity usage, cooking conversions, and more.
Electricity Cost Calculator
Calculate your electricity costs in South Africa. See how much applian...
Fuel Cost Calculator
Calculate fuel costs for a trip in South Africa. Uses current petrol a...
Cost of Living Calculator
Calculate your monthly cost of living in South African cities. Compare...
Solar Savings Calculator
Calculate how much you can save with solar panels in South Africa. See...
Water Usage Calculator
Calculate your monthly water usage and costs in South Africa. See how ...
Load Shedding Calculator
Calculate the cost impact of load shedding on your household or busine...
Budget Calculator
Create a monthly budget and track your income vs expenses. See where y...
Distance Calculator
Calculate distance between South African cities. See driving distance,...
Built for South Africa
SARS tax brackets, ZAR currency, SA-specific data and formulas
Instant Results
All calculations happen in your browser. No server calls, no waiting
100% Private
No registration, no cookies, no tracking. Your data stays on your device
Works Everywhere
Mobile-optimised. Works on any device, any browser, any connection