01 / Choose what you want to calculate
How much electricity can your money buy?
Enter how much you want to spend on prepaid electricity.
That is about 14 days of electricity at 12 kWh per day.
Adjust assumptions for a more accurate answer
THE MONEY MIRROR
One amount. Four ways to see it.
Keep the rand amount the same and compare what it means in different contexts. The labels matter: some are one-off spending, others are monthly commitments.
Each comparison uses the assumptions set in the quick calculator. Figures are not live prices, quotes or lending decisions.
A simpler way to work out your money
No spreadsheet. No maths homework. Just enter an amount and get an estimate you can actually use.
What does R500 buy in electricity?
Work out estimated prepaid units and how long they might last.
Calculate electricity →How far will R300 take me?
Convert your petrol budget into litres and estimated kilometres.
Calculate petrol →What if I save R1,000 a month?
See the projected balance from regular monthly savings.
Calculate savings →What bond could I repay monthly?
Turn a monthly repayment budget into an estimated home loan.
Calculate home loan →More ways to get answers from your rands
Every calculator has a simple rand input first, with optional assumptions for extra accuracy.
Find the breathing room in your budget.
Meet Payday Compass: a private monthly money map that turns your income into a usable daily spending allowance. Or try the Ripple Effect to see the future impact of changing one recurring expense.
Practical guides
A little context when the numbers need explaining.
Start with the number you know.
Most of us know our budget first — not the exact quantity of electricity, litres of fuel, or loan amount we need. HowMuchSA works backwards from your money to give you a practical estimate.
It's designed for everyday South African decisions, with values shown in rands and adjustable assumptions to reflect your situation.
Clear estimates, no false precision
- Example rates are clearly labelled — not presented as today's official tariffs.
- Adjust electricity, fuel, interest or repayment assumptions yourself.
- Your amounts are calculated in your browser, not sent to a server.
- Calculations are informational, not financial advice or affordability approval.