Free Calculators for Life and Work in South Africa
All calculators

CALCFORLIFE

Everyday calculators. For South Africa.

Life,calculated.

Free tools to plan a budget, understand your health and work out the everyday.

Choose a calculator to get started ↓

Free · No sign-up · No app

The calculator collection

Find yournext calculation.

From everyday essentials to your next project. Choose a topic and get straight to it.

PLAN

Money & finance

Pay, borrowing and savings. Put the numbers behind your plans.

BUILD

Home & DIY

Plan materials, energy use and the details of your next home project.

LEARN

Maths & study

Work with percentages, measurements and the numbers behind your studies.

MEASURE

Health & fitness

Explore daily energy needs, body measurements and pregnancy dates.

WORK OUT

Everyday life

Dates, time and travel. Work through the small questions in your day.

Have a more specialised question?

Explore the full collection

Start with a plan

Make it
all add up.

Useful tools for the different parts of one plan.

Planning a home purchase?

Explore bond instalments, transfer costs and a solar system for your home.

Building a fitness routine?

Explore energy needs, daily nutrients and running pace.

Planning a road trip?

Work out your dates, travel time and petrol budget.

Made for real life

Real life.Real questions.

CalcForLife is an independent project by Bin, a developer who believes everyday calculations should be easier to work through.

Each tool starts with a practical question. Explore the explanations, examples and formulas on calculator pages to understand what sits behind the answer.

The story behind CalcForLife

Your next answer, in a few steps.

  1. Pick your question

    Choose a topic and open the calculator that matches what you want to know.

  2. Make the details yours

    Enter your values. Check the units, dates and assumptions shown on the tool.

  3. See what changes

    Review the result and its explanation. Adjust an input to compare another scenario.

Good to know

A few
answers.

A few things to know before you get calculating.

Are the calculators free?

Yes. CalcForLife’s calculators are free to use and do not require an account. Open a tool, enter the requested values and calculate your result.

How do I choose the right calculator?

Start with an everyday essential or browse a topic. Each short description explains what the tool does. You can also explore the full collection. Explore the full collection.

Can I use them on my phone?

Yes. Use CalcForLife in your phone or tablet’s browser. There is no app to install. Open your chosen calculator and follow its input labels.

What should I check before calculating?

Check the units, dates, time periods and rates you enter. Review the tool’s assumptions and select the appropriate measurement units where options are available.

Why might two calculators give different results?

Formulas, rounding and assumptions can differ. Compare those details along with the final number. Projections and health measurements are estimates; each tool’s explanation helps you understand their limits.

Can I suggest a calculator or report an issue?

Absolutely. Visit the contact page with your idea or feedback. For an issue, include the calculator name and a description of what you expected. Visit the contact page.

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