Home Back

F To Mm Calculator | Feet to Millimeters

Feet to Millimeters Formula:

\[ mm = f \times 304.8 \]

ft
mm

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Feet to Millimeters Calculator?

Definition: This calculator converts measurements from feet (ft) to millimeters (mm).

Purpose: It helps engineers, architects, and DIYers quickly convert imperial length measurements to metric units.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ mm = f \times 304.8 \]

Where:

Explanation: 1 foot equals exactly 304.8 millimeters by international agreement.

3. Importance of Feet to Millimeters Conversion

Details: Accurate unit conversion is essential for international projects, engineering drawings, and manufacturing where metric units are standard.

4. Using the Calculator

Tips: Simply enter the length in feet and the calculator will instantly provide the equivalent in millimeters.

5. Frequently Asked Questions (FAQ)

Q1: Why 304.8 specifically?
A: The international foot is defined as exactly 0.3048 meters, and since 1 meter = 1000 mm, 1 foot = 304.8 mm.

Q2: How precise is this conversion?
A: The conversion factor is exact, not an approximation.

Q3: Can I convert millimeters back to feet?
A: Yes, divide millimeters by 304.8 to get feet.

Q4: When would I need this conversion?
A: Common in construction, engineering, and manufacturing when working with both imperial and metric specifications.

Q5: What about inches to millimeters?
A: 1 inch = 25.4 mm exactly. For feet with inches, convert inches to feet (divide by 12) first.

F To Mm Calculator© - All Rights Reserved 2025