Length Converter
Convert between mm, cm, m, km, in, ft, yd, mi. Precision, swap, copy, download supported.
Result
0.00 m
Based on standard conversion constants. Useful for construction, travel, design and quick checks.
Length Conversion Calculator – From Centimeters to Feet, Inches & Meters
Length Conversion Calculator – From Centimeters to Feet, Inches & Meters
The Length Conversion Calculator allows you to quickly convert between common units of length, including centimeters (cm), meters (m), millimeters (mm), inches (in), and feet (ft). Whether you’re measuring for construction, clothing, travel, science, or everyday tasks, this tool ensures fast, accurate, and reliable conversions between metric and imperial units.
Why a Length Conversion Calculator Matters
- Accuracy: Eliminates mistakes during manual conversion.
- Convenience: Instantly switches between metric and imperial units.
- Practical applications: Helpful for carpentry, engineering, tailoring, DIY home projects, and academic work.
- Consistency: Ensures uniform measurements across different unit systems.
Who This Calculator Is For
DIY enthusiasts, students, engineers, fashion designers, architects, travelers, and anyone needing precise length conversions.
Supported Units
- Metric: millimeters (mm), centimeters (cm), meters (m), kilometers (km)
- Imperial: inches (in), feet (ft), yards (yd), miles (mi)
Essential Conversion Factors
- 10 mm = 1 cm
- 100 cm = 1 m
- 1 inch = 2.54 cm
- 1 foot = 12 inches = 30.48 cm
- 1 yard = 3 feet = 91.44 cm
- 1 mile = 5280 feet ≈ 1.609 km
Core Conversion Formula
Converted Value = Input Value × Conversion Factor
Example: Convert 170 cm to feet.
170 cm ÷ 30.48 ≈ 5.577 ft.
Step-by-Step Example — Centimeters to Feet & Inches
Problem: Convert 170 cm into feet + inches.
Step 1: Convert to inches: 170 cm ÷ 2.54 = 66.9291 in
Step 2: Divide by 12 to find feet: 66.9291 ÷ 12 = 5.577 ft → 5 ft
Step 3: Remaining inches: 0.577 × 12 ≈ 6.93 in
Answer: 5 ft 6.9 in
How the Calculator Works (User Flow)
- Enter the numeric value you wish to convert.
- Select the unit to convert from (e.g., centimeters).
- Select the unit to convert to (e.g., feet, inches, meters).
- Click “Convert” — the tool applies the exact conversion factor and outputs the result.
- Optional: view combined formats (e.g., feet + inches), decimal formatting, and rounding rules.
Input Validation & Notes
- Decimal and scientific notation (e.g., 1.75e2 cm) are supported.
- Negative lengths should only be used in mathematical or physics contexts.
- Choose number of decimal places for clearer output.
- Input must be a real number; letters or symbols trigger an error message.
Practical Applications
- Construction: Convert between meters and feet for blueprints and measurements.
- Tailoring: Switch between cm and inches for clothing sizes.
- Travel: Understand height restrictions or distances in mixed units.
- Academics: Complete physics or math problems using consistent units.
- Sports: Convert track and field measurements between meters and feet.
Limitations & Considerations
- Rounding may slightly alter results — choose higher precision for engineering tasks.
- Historical units (e.g., cubits, fathoms) are not included unless extended modes are enabled.
- Very large or very small values may require scientific notation output.
FAQs – Length Conversion Calculator
1. Can I convert directly between feet and centimeters?
Yes — the tool uses the exact factor 1 ft = 30.48 cm.
2. Does the tool support feet + inches format?
Yes — it can break results into combined units such as 5 ft 6 in.
3. How accurate are the conversions?
Conversion factors use standard definitions accurate to at least 4–6 decimal places.
4. Can I convert large distances like kilometers to miles?
Absolutely — 1 km ≈ 0.621371 miles.
5. Can I round the results?
Yes — choose rounding to 1–6 decimal places or use whole-number rounding.
6. Does the tool support fractional inches?
Yes — the output can include fractions like 5′ 6⅞″ if enabled.
7. Is this converter useful for engineering?
Yes — but use high precision and verify tolerances when exact measurements are critical.
8. Can I convert miles to meters?
Yes — 1 mile ≈ 1609.34 meters.
9. Does it handle scientific notation?
Yes — input like 1e3 m is interpreted correctly as 1000 m.
10. Is this tool free?
Yes — it works instantly, without signup or fees.
Quick Disclaimer
This Length Conversion Calculator offers standard unit conversions for everyday, educational, and light engineering use. For precision-critical applications, consult official engineering tables or measurement standards to ensure accuracy.
Popular Calculators
Cooking Measurement Converter – Cups, Ounces, Milliliters, Grams & More
Hourly to Salary Converter – Calculate Annual Income
Corrected Calcium Calculator | Accurate Serum Calcium Interpretation
BUN to Creatinine Ratio Calculator | Assess Kidney Function
Fraction to Decimal Converter
