How many m³/h is 1 CFM?

1 CFM equals approximately 1.6990107956 m³/h. This comes from converting minutes to hours (×60) and cubic feet to cubic meters (×0.0283168466): 1 × 60 × 0.0283168466 ≈ 1.699.

How do I convert m³/h back to CFM?

Divide m³/h by 1.6990107956, or multiply by 0.5885778. For example, 100 m³/h ÷ 1.6990107956 ≈ 58.86 CFM.

What is CFM used for?

CFM (cubic feet per minute) is the standard airflow unit in North American HVAC, ventilation, and compressed air applications. It measures volume flow rate.

What is m³/h used for?

m³/h (cubic meters per hour) is the SI-derived flow rate unit used in European and international HVAC, industrial ventilation, and fluid systems.

Is CFM the same as cubic feet per second?

No. CFM is cubic feet per minute; CFS is cubic feet per second. 1 CFS = 60 CFM. Always check the time unit in datasheets.

Why does the conversion factor include 60?

CFM uses minutes and m³/h uses hours. To align units: multiply by 60 (min→h) and by 0.0283168466 (ft³→m³), giving 1.6990107956.

CFM to m3/h Converter

Name: CFM to m3/h Converter
Availability: InStock
Author: Nham Vu

Enter CFM to get cubic meters per hour instantly, with reverse conversion and a reference table.

Convert Flow Rate

Cubic Feet per Minute (CFM)

converts both ways

Cubic Meters per Hour (m³/h)

Conversion factors

1 CFM = 1.6990107956 m³/h

1 m³/h = 0.5885778 CFM

Common Values

CFM	m³/h

How the factor is derived

1 ft³ = 0.0283168466 m³, and 1 minute = 1/60 hour.

So: 1 CFM = 0.0283168466 × 60 = 1.6990107956 m³/h.

Summary

Enter CFM to get cubic meters per hour instantly, with reverse conversion and a reference table.

How it works

Enter a value in CFM (cubic feet per minute) in the top field.
The m³/h result appears immediately — no submit button needed.
Use the bottom field to convert m³/h back to CFM.
The formula panel shows the exact calculation applied.
Click "Copy" next to any result to copy it to your clipboard.
Click any row in the reference table to load that value into the converter.

Use cases

Size HVAC air handlers when specs are given in CFM but equipment is rated in m³/h.
Compare ventilation rates from US and European equipment datasheets.
Convert compressed air flow requirements between imperial and metric.
Calculate fan or blower capacity for industrial ventilation projects.
Verify duct sizing calculations across unit systems.
Convert airflow data in building energy models to SI units.
Translate exhaust hood ratings from CFM to m³/h for permit documentation.
Check air compressor output specs when sourcing international equipment.

Frequently Asked Questions

Last updated: 2026-07-22 · Reviewed by Nham Vu