How This Travel Allowance Tax Calculator South Africa Works
A travel allowance tax calculator South Africa employees can rely on needs to reflect one specific SARS rule: only a portion of a fixed travel allowance is subject to monthly PAYE, not the full amount. This travel allowance PAYE calculator takes your usual monthly salary and travel allowance, adds the taxable portion (80% by default, or 20% if your employer has approved the lower rate) to your income, and recalculates PAYE using the same progressive brackets SARS applies to your regular salary. The difference between your tax with and without that taxable portion is the extra PAYE your allowance attracts, and subtracting that from your gross allowance gives your net travel allowance for the month.
How Is Travel Allowance Taxed in South Africa?
Travel allowance tax in South Africa works differently from ordinary salary. Under the Income Tax Act, a fixed monthly travel allowance is treated as remuneration, but SARS doesn't tax the full amount through payroll every month. Instead, employers must include 80% of the allowance in the employee's taxable income for PAYE purposes by default. If the employer is satisfied that the employee will use their vehicle at least 80% for business purposes during the tax year, only 20% needs to be included instead, which noticeably reduces the monthly PAYE hit. Either way, this is a withholding mechanism only: the final tax treatment of the allowance is settled when the employee submits their annual ITR12 return, and it appears on the IRP5 issued by the employer, typically under source code 3701 for a fixed travel allowance.
How to Calculate Travel Allowance Tax in South Africa: Step by Step
- Find the taxable portion. Multiply your monthly travel allowance by 80% (or 20% if approved).
- Add it to your salary. Add that taxable portion to your normal monthly gross salary.
- Apply the SARS tax brackets. Work out PAYE on the combined figure using the current tax brackets and your age-related rebate.
- Compare with and without the allowance. Subtract the PAYE on your salary alone from the PAYE on the combined figure. The difference is the extra monthly travel allowance tax deduction from your pay.
That's exactly the travel allowance tax calculation this tool automates above, so you don't need to run the brackets by hand.
The 80/20 Rule Explained
The 80/20 rule is simply about which inclusion rate applies each month. Most employees fall under the 80% inclusion rate, since it's the default position unless the employer has specifically assessed and is satisfied that business use will exceed 80%. Sales representatives, technicians, and other roles where the vehicle is used almost exclusively for work are more likely to qualify for the 20% rate. Choosing the wrong rate at payroll level doesn't change how much tax is ultimately owed, since SARS recalculates everything at assessment based on actual business kilometres and private kilometres, but it does affect monthly cash flow and whether you're likely to owe SARS money or receive a refund when you file.
Key Terms You'll See on This Page
| Term | What it means |
|---|---|
| Business kilometres | Kilometres driven for work purposes, recorded in a logbook. Client visits, site trips and work-related travel between offices count. |
| Private kilometres | Everything else: commuting to and from your normal workplace, and any personal use of the vehicle. |
| Logbook | A SARS-compliant record of every business trip (date, destination, purpose, km) plus odometer readings at the start and end of the tax year. |
| Deemed cost | SARS's official cost-per-kilometre table, based on your vehicle's value, used to work out your deduction without tracking every actual expense. |
| Prescribed rate per kilometre | The flat SARS rate used for a reimbursive travel allowance, below which reimbursements are generally tax free. |
| Reimbursive travel allowance | A per-kilometre payment for actual business travel, taxed differently from a fixed monthly travel allowance. |
| IRP5 | The certificate your employer issues showing your annual income and deductions, including your travel allowance under its own source code. |
| ITR12 | Your individual annual income tax return, where the final travel allowance deduction is claimed and reconciled. |
Claiming Your Travel Allowance Tax Deduction at Tax Return Time
The PAYE deducted monthly is only an estimate. To claim the actual travel allowance deduction you're entitled to, you need a detailed logbook covering the full tax year, recording the date, destination, purpose, and kilometres of every business trip, along with your vehicle's opening and closing odometer readings on 1 March and 28/29 February. On assessment, SARS compares your business kilometres to your total kilometres travelled and applies either the deemed cost per kilometre from the official SARS travel allowance tables, or your actual costs (fuel, maintenance, insurance, wear and tear) if you've kept full records. The deductible amount is then set off against the full travel allowance reflected on your IRP5, not just the taxable portion withheld monthly, which is why many employees with genuine business use see a refund after filing their ITR12.
Travel Allowance vs Reimbursive Travel Allowance
Don't confuse a fixed travel allowance with a reimbursive travel allowance. A fixed allowance, the kind this calculator covers, pays a set rand amount every month regardless of how far you actually drove, and is subject to the 80%/20% PAYE inclusion rule. A reimbursive allowance instead pays you the prescribed rate per kilometre for business kilometres actually travelled, verified against a logbook, and is generally tax free up to that SARS-prescribed rate, with only kilometres above certain thresholds or rates above that figure being taxed. Many employees receive a combination of both on their IRP5, so it's worth checking your payslip to see which source code your allowance falls under.
Worked Example
Say an employee earns R30,000.00 a month and receives a R5,000.00 monthly travel allowance, taxed at the standard 80% inclusion rate. R4,000.00 of that allowance is added to their taxable income, resulting in roughly R1,143.72 of extra PAYE deducted each month, leaving a net travel allowance of about R3,856.28. If their employer instead applied the 20% inclusion rate, because it's satisfied the vehicle is used mostly for business, the extra monthly PAYE drops to around R260.00, leaving a net allowance closer to R4,740.00.
Travel allowance tax FAQs
How is a travel allowance taxed in South Africa?
SARS requires 80% of a fixed monthly travel allowance to be included in an employee's remuneration for PAYE purposes. If the employer is satisfied that at least 80% of the vehicle's use for the year will be for business purposes, only 20% needs to be included instead.
What is the 80/20 rule for travel allowance?
It's the rule determining how much of a fixed travel allowance is taxed monthly through PAYE: 80% by default, or 20% if the employer is satisfied the vehicle will be used at least 80% for business purposes during the tax year.
How much of my travel allowance is taxable?
Monthly, either 80% or 20% of your allowance is added to taxable income for PAYE, depending on your employer's assessment. At year-end, on your ITR12, the true taxable portion is recalculated using your logbook's actual business-kilometre percentage.
How do I calculate travel allowance tax in South Africa?
Multiply your monthly travel allowance by 80% (or 20% if approved), add that to your salary, and calculate PAYE on the combined total using the SARS brackets. This calculator runs that travel allowance tax calculation for you automatically.
How do I calculate my travel allowance deduction?
Apply your logbook's business-kilometre percentage to either the SARS deemed cost per kilometre or your actual vehicle running costs, then deduct that amount from the full travel allowance shown on your IRP5 when you complete your ITR12.
Do I need a logbook for my travel allowance?
Yes. To claim a travel allowance tax deduction with a logbook at assessment, SARS requires a record of business trips and your vehicle's opening and closing odometer readings for the tax year. Without one, no deduction can be claimed.
How does travel allowance affect PAYE?
It increases the income run through the PAYE tax tables each month, but only on the taxable portion (80% or 20%), not the full allowance. This raises your monthly PAYE deduction compared to receiving the same amount as a non-taxable benefit.
Is travel allowance taxed monthly or only at tax return time?
Both. Employers withhold PAYE monthly on the taxable portion of the allowance as it's paid, and SARS recalculates the actual tax owed on the full allowance at assessment based on real business kilometres, which can produce a refund or additional tax payable.
What's the difference between a travel allowance and a reimbursive travel allowance?
A fixed travel allowance pays a set monthly amount regardless of kilometres travelled and follows the 80%/20% PAYE inclusion rule. A reimbursive allowance pays the prescribed rate per kilometre actually driven and is generally tax free up to that rate.
Related Tools and Guides
- Travel Allowance Tax Deduction Guide: the full logbook, deemed cost and ITR12 walkthrough.
- PAYE Calculator: see your full monthly income tax and take-home pay.
- UIF Calculator: work out your monthly UIF contribution.
- Bonus Tax Calculator: check how a bonus or 13th cheque is taxed.
- Salary Converter: convert your pay between hourly, daily, weekly, monthly and annual figures.
- How PAYE Works: a full walkthrough of the bracket system your allowance is taxed under.
- Tax Rebates Explained: how your age-related rebate reduces the tax shown above.
- Full Tax Tables: the SARS brackets and rebates used in this calculation.
- Provisional Tax Calculator: estimate provisional tax if you also freelance or run a business.