HomeCM to Inches42 cm to inches
Length Conversion

How many inches is 42 centimeters?

16.54
inches (in)
Centimeters
42 cm
Inches (exact)
16.5354 in
Feet + Inches
1 ft 4.54 in
Millimeters
420 mm
Meters
0.42 m
Feet (decimal)
1.378 ft

42 cm to inches — full breakdown

42 centimeters = 16.5354 inches (exact). Rounded: 16.54 in. In feet and inches: 1 ft 4.54 in. In millimeters: 420 mm. In meters: 0.42 m.

In the range of a large book, laptop screen, or guitar body. Common for furniture and medium-sized objects.

42 cm = 1 ft 4.54 in. This range is common in clothing measurements (inseam, chest, waist), TV screen sizes, and furniture dimensions.

Complete breakdown: 16.54 inches · 1 ft 4.54 in · 420 mm · 0.42 m. The inch is defined as exactly 2.54 cm since the 1959 International Yard and Pound Agreement.

Exact formula: inches = cm ÷ 2.54. Quick estimate: divide by 2.5 → 16.8 in (about 1.6% over the exact 16.54 in). To convert back: multiply inches × 2.54.

Frequently Asked Questions

How many inches is 42 cm?

42 cm = 16.54 inches (exact: 16.5354 in). Divide by 2.54.

How do I convert 42 cm to inches?

Divide by 2.54: 42 ÷ 2.54 = 16.54 in. Quick estimate: divide by 2.5 → 16.8 in.

What is 42 cm in feet and inches?

42 cm = 1 feet 4.54 inches (1’4.54”). In decimal feet: 1.378 ft.

What is 42 cm in millimeters?

42 cm = 420 mm (1 cm = 10 mm). Also: 0.42 m and 0.00042 km.

Live Converter

Formula: in = cm ÷ 2.54  |  cm = in × 2.54