How many liters are in one cubic inch?

One cubic inch equals exactly 0.016387064 liters. This is the precise SI-defined conversion factor based on 1 inch = 2.54 cm exactly.

How do I convert cubic inches to liters manually?

Multiply the cubic inch value by 0.016387064. For example, 61 in³ × 0.016387064 ≈ 1.000 L (61 in³ is very close to 1 liter).

What is a 350 cubic inch engine in liters?

350 in³ × 0.016387064 ≈ 5.735 liters. A "350 small block" is therefore approximately a 5.7 L engine.

Is a cubic inch the same as an inch cubed?

Yes. A cubic inch (in³) is the volume of a cube with 1-inch sides, exactly the same as "one inch cubed."

What is the difference between liters and cubic inches?

Liters are the metric unit for volume (1 L = 1 dm³), while cubic inches are the US customary unit. 1 liter ≈ 61.024 in³.

Cubic Inches to Liters Converter

Enter a cubic inch value and get the exact liter equivalent with the full formula shown.

Cubic Inches to Liters

Cubic Inches (in³)

Liters (L)

Common Reference Values

Description	in³	Liters

Exact factor: 1 in³ = 0.016387064 L
Reverse: 1 L = 61.0237441 in³

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Summary

This converter transforms cubic inches (in³) into liters (L) using the exact factor of 0.016387064 L per in³. It supports quick single-value lookups as well as a batch reference table for common engine displacements and volumes. All computation runs client-side with no data sent to a server.

How it works

Enter a value in cubic inches in the input field.
The converter multiplies your value by 0.016387064 (the exact SI factor).
The result in liters appears instantly below.
The formula section shows the full calculation step by step.
Use the swap button to reverse and convert liters back to cubic inches.

Use cases

Convert engine displacement from cubic inches to liters (e.g., 350 in³ ≈ 5.7 L).
Calculate the volume of a shipping box or container.
Convert aquarium or tank capacity between unit systems.
Check product packaging volume listed in cubic inches against liter specs.
Engineering calculations for fluid systems using US customary measurements.

Frequently Asked Questions

Last updated: 2026-10-05 · Reviewed by Nham Vu