Height Conversion

Enter a height to convert it to feet, inches, and centimeters.

What Is the Height Converter?

South Africa uses the metric system officially, so most medical records, driver’s licence applications and school health forms ask for your height in centimetres or metres. Many South Africans, however, are also used to hearing height described in feet and inches, particularly in older reference material, imported fitness content, or conversations with family overseas.

This converter switches your height between centimetres, metres, feet and inches instantly, so you always have the right figure for whichever form, app or conversation needs it.

How to Use the Height Converter

1. Enter your height in whichever unit you already know it in, whether that is centimetres, metres, or feet and inches.
2. Select the unit you entered, if the converter requires you to specify this.
3. Click Convert to see your height displayed in the remaining units.
4. Round appropriately for your purpose. Medical and official forms usually want centimetres to the nearest whole number, while everyday conversation in feet and inches is usually rounded to the nearest half inch.

The Height Conversion Formula

Height conversion relies on two fixed, universally agreed conversion factors.

Centimetres to inches: Inches = Centimetres ÷ 2.54

Inches to feet and inches: Feet = whole number portion of (Inches ÷ 12) Remaining Inches = Inches − (Feet × 12)

Since one inch is defined as exactly 2.54 centimetres, these conversions are exact rather than approximate, unlike some unit conversions that rely on rounded or measured constants.

Worked Example: Converting Centimetres to Feet and Inches

Suppose someone knows their height is 172cm and wants to know their height in feet and inches for an international fitness app.

Step 1: Convert centimetres to inches

Inches = 172 ÷ 2.54 = 67.72 inches

Step 2: Convert inches to whole feet

67.72 ÷ 12 = 5.64, so the whole number of feet is 5

Step 3: Calculate the remaining inches

Remaining Inches = 67.72 − (5 × 12) = 67.72 − 60 = 7.72, rounded to approximately 7.7 inches

So 172cm converts to approximately 5 feet 7.7 inches, commonly rounded to 5 feet 8 inches in everyday conversation.

Common Height Conversions Reference Table

These figures are rounded to the nearest whole inch and are useful for a quick estimate, though the calculator above will give you a more precise figure for your exact height.

Average Height Context for South Africa

According to data drawn from the South African National Health and Nutrition Examination Survey, the median measured height for South African adults falls at approximately 169cm for men and 158cm for women. These figures sit close to, though slightly below, several international averages, and vary meaningfully across different population groups and regions within South Africa due to a combination of genetic, nutritional and socioeconomic factors.

Understanding where your own height sits relative to these averages can be useful context, though height on its own says very little about health. Body mass index, waist circumference and other measures give a far more complete picture than height alone.

Where Accurate Height Conversion Matters

Getting your height conversion right is not just a curiosity in a few specific situations:

• Medical and health records. Body mass index, medication dosing calculations and growth tracking for children all rely on an accurate height figure, usually recorded in centimetres in South African healthcare settings.
• Driver’s licence and identity documents. South African official documents record height in centimetres, so anyone more familiar with feet and inches needs an accurate conversion when completing these forms.
• Fitness and sports applications. Many international fitness apps and equipment, particularly those developed in the United States, default to feet and inches, requiring a conversion for South African users used to the metric system.
• Clothing and equipment sizing. Some imported clothing, bicycle and sports equipment sizing charts use imperial measurements, making an accurate height conversion useful when ordering online.

Tips for Measuring Your Height Accurately

• Measure without shoes, standing against a flat wall with your heels, buttocks and shoulders touching the surface.
• Look straight ahead rather than tilting your chin up or down, since this can add or subtract a centimetre or more from the reading.
• Measure in the morning where possible. Height can decrease by up to a centimetre over the course of a day due to natural compression of the spinal discs during periods of standing and activity.
• Use a proper measuring device. A wall mounted stadiometer at a clinic gives the most accurate reading, though a spirit level and tape measure against a wall at home can give a reasonably close result.