CM to Feet and Inches Converter

Convert centimeters to feet and inches or feet and inches to centimeters. Includes decimal feet, meters, yards, preset values, and a real-world reference length table.

cm
Feet & Inches
5' 6.93"
Imperial format
Centimeters
170.00 cm
Metric length
Decimal Feet
5.5774
Feet as a decimal
Total Inches
66.93
Total length in inches
Meters
1.7000
1 m = 100 cm
Yards
1.8591
1 yard = 91.44 cm

Conversion Formulas

cm → inches
÷ 2.54
cm ÷ 2.54 = inches
inches → cm
× 2.54
inches × 2.54 = cm
cm → feet
÷ 30.48
cm ÷ 30.48 = feet
feet → cm
× 30.48
feet × 30.48 = cm
Planning notes, formulas, and examples

About the CM to Feet and Inches Converter

Centimeters and feet/inches are the two most common length systems used worldwide. The metric system (centimeters, meters) is standard in most countries, while the imperial system (feet, inches) remains prevalent in the United States, United Kingdom, and Canada for everyday measurements like height, room dimensions, and material lengths.

This converter handles both directions: enter centimeters to get feet and inches, or enter feet and inches to get centimeters. You also get decimal feet, total inches, meters, and yards — all from a single input. Preset buttons let you quickly convert common lengths, and the reference table provides real-world context for various measurements.

Whether you are measuring furniture dimensions, converting architectural plans, shopping for products listed in the other system, or just curious about a length, this converter gives you the converted values together with context. The key conversion factor is 1 inch = 2.54 centimeters exactly, and 1 foot = 12 inches = 30.48 centimeters.

When This Page Helps

Converting between cm and feet/inches requires dividing by 2.54 and then splitting into feet and remaining inches — not straightforward mental math. This calculator does it in both directions and also provides meters and yards for extra utility in construction, shopping, design, and daily measurement workflows and planning tasks.

How to Use the Inputs

  1. Select the conversion direction: CM → Feet & Inches or Feet & Inches → CM.
  2. Enter the value in the appropriate field(s).
  3. Read all converted results: feet & inches, decimal feet, total inches, meters, and yards.
  4. Click preset buttons for common lengths.
  5. Review the conversion formulas section for quick reference.
  6. Expand the reference length table to see common real-world lengths in both systems.
Formula used
cm → inches: inches = cm ÷ 2.54 inches → cm: cm = inches × 2.54 cm → feet (decimal): feet = cm ÷ 30.48 Feet & inches from cm: total inches = cm ÷ 2.54; feet = floor(total / 12); inches = remainder 1 foot = 12 inches = 30.48 cm 1 yard = 3 feet = 91.44 cm

Example Calculation

Result: 5' 6.93" (5 ft 6.93 in)

170 cm ÷ 2.54 = 66.929 inches. 66.929 ÷ 12 = 5 feet with 6.929 inches remaining. So 170 cm ≈ 5 feet 6.93 inches or 5.577 decimal feet.

Tips & Best Practices

  • Remember: 1 inch = 2.54 cm exactly — this is a defined conversion, not an approximation.
  • For quick estimation, multiply feet by 30 to get approximate cm (e.g., 6 ft ≈ 180 cm).
  • When converting for construction, always carry at least 2 decimal places to avoid cumulative errors.
  • Standard US ceiling height is 8 feet (243.84 cm); standard door height is 6'8" (203.2 cm).
  • A meter stick is 100 cm = 39.37 inches = 3.281 feet — just over a yard.
  • For fabric measurements, note that many patterns use both systems — always verify which system the pattern specifies.

History of the Inch and Centimeter

The inch has origins in ancient Roman measurement (uncia = 1/12 of a foot). The centimeter was introduced with the French metric system in the 1790s, defined as 1/100 of a meter. In 1959, the international inch was standardized at exactly 2.54 cm, unifying the British and American inch definitions.

Common Conversions to Memorize

1 foot = 30.48 cm; 1 yard = 91.44 cm; 1 meter = 3.281 feet; 6 feet = 182.88 cm; 5 feet = 152.4 cm. These benchmarks help with quick mental estimation.

Applications

Height measurement, interior design (room and furniture dimensions), construction (lumber, pipe, and tile sizing), retail product dimensions, and screen sizes all frequently require cm ↔ feet/inches conversion. In international trade, dual-unit labeling is common.

Sources & Methodology

Last updated:

Frequently Asked Questions

  • 1 foot = 30.48 cm exactly. This comes from 12 inches × 2.54 cm/inch.