Convert the feet to inches by multiplying the number of feet by twelve, add the remaining inches, then multiply the total inches by two point five four to get centimeters.
Imagine you have a ruler and some long sticks. If someone says six feet three inches, first take the six feet and change each foot into twelve inches so six feet becomes seventy two inches, then add the three extra inches to get seventy five inches total, and finally multiply seventy five by two point five four to turn those inches into centimeters. Multiplying by two point five four works because one inch is exactly two point five four centimeters, so every inch you have becomes two point five four of those little centimeter pieces. Doing the feet first keeps things simple because you only have to do one multiplication for the feet and then one addition for the leftover inches.
A common mistake is forgetting that each foot equals twelve inches which makes answers too small or too large; always multiply the feet by twelve first and then add the leftover inches. Another error is multiplying feet by two point five four directly which gives wrong results because that treats a foot as if it were one inch; convert to inches before using two point five four. People sometimes misplace the decimal when multiplying by two point five four, so double check your arithmetic or use a calculator for that final multiplication.
For more video explanations and practice problems visit w w w dot gumball degree dot com to find more videos and resources on converting measurements.
Convert 6 ft 3 in to cm
- Multiply feet by 12
- Add remaining inches
- Multiply total inches by 2.54
- One inch equals 2.54 cm
- Do feet first for simplicity
Convert ft and in to cm
- Forgetting that 1 ft = 12 in
- Multiplying feet by 2.54 directly
- Misplacing the decimal when multiplying
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