Sage
Our online salary tax calculator has been updated to incorporate the changes announced in 2017/2018 Budget Speech. It’s so easy to use. Simply enter your current monthly salary and allowances to view what your tax saving or liability will be in the 2017/2018 tax year.
http://www.sage.com/za/business-resources/salary-tax-calculator
Fin24
Budget 2018 Income Tax Calculator
https://www.fin24.com/Budget/Calculators/Tax
Sanlam
Calculate your annual and monthly income tax deductions according to your age and monthly salary, and compare these to last year’s deductions.
https://www.sanlam.co.za/tools/Pages/income-tax-calculator.aspx
SaveMoney.co.za
Instantly calculate your income tax with our SARS Income Tax Calculator
https://savemoney.co.za/product/sars-income-tax-calculator/