Convert Cubic meters per second to Liters per second
Instantly convert Cubic meters per second (m³/s) to Liters per second (L/s) with our free online calculator.
Formula: m³/s to L/s — multiply by 1000
Reference Table
| Cubic meters per second (m³/s) | Liters per second (L/s) |
|---|---|
| 1 | 1000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
How to Convert Cubic meters per second to Liters per second
Formula
To convert Cubic meters per second (m³/s) to Liters per second (L/s): multiply by 1000
Step-by-Step
- Start with your value in Cubic meters per second (m³/s).
- Multiply by 1000 to perform the conversion.
- The result is your value expressed in Liters per second (L/s).
Conversion Factor
1 m³/s = 1000 L/s
Reverse Factor
1 L/s = 0.001 m³/s
Worked Example
Convert 25 Cubic meters per second to Liters per second: 25 m³/s = 25000 L/s
About Cubic meter per second (m³/s)
The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. m³/s is the universal unit in fluid-dynamics research (Reynolds and Navier-Stokes work), large-pipeline engineering (offshore oil-export risers, district-energy distribution mains), river and flood hydrology (where it is conventionally called the "cumec" — for "cubic meter per second" — in technical writing), large-scale wastewater treatment, and industrial process flow simulation (Aspen HYSYS, CHEMCAD, OLGA). Reference scale: the Amazon River average discharge is ~209,000 m³/s, the Mississippi ~16,800 m³/s, a major dam spillway flood release ~5,000-15,000 m³/s. Most practical applications use smaller units (L/s, m³/hr, GPM) because m³/s values are typically very small for human-scale equipment — a household faucet is ~0.0002 m³/s. Converting to gallons per minute (US): multiply by 15,850. Converting to L/s: multiply by 1,000.
About Liter per second (L/s)
A metric flow-rate unit equal to exactly 0.001 m³/s. L/s is the typical unit for plumbing fixtures in metric-using countries, the SI-aligned sizing unit for water-supply mains (per ISO 4064 water meter specs and EN 805 European water-supply standard), fire-pump capacities (often dual-listed in L/s and m³/hr on European fire-rated pumps), and medium-flow industrial processes. Reference values: a typical kitchen faucet flows 0.1-0.15 L/s, a metric shower head 0.13-0.20 L/s, a 50 mm domestic-water service ~3-5 L/s, a 100 mm fire-hydrant supply main 30-60 L/s. Converting L/s to GPM (US gallons per minute) is multiply by 15.85 — one of the most-needed unit conversions for buyers of imported European pump/plumbing equipment specifying performance in metric units. 1 L/s = 60 L/min = 3.6 m³/hr.
Quick Facts
- 1 Cubic meter per second equals 1000 Liters per second
- 1 Liter per second equals 0.001 Cubic meters per second
- Cubic meter per second is a unit of volumetric flow rate
- Liter per second is a unit of volumetric flow rate
- This conversion is commonly used in plumbing, HVAC systems, and chemical process engineering
- The Cubic meter per second belongs to the metric system
Common Cubic meter per second to Liter per second Conversions
| Cubic meters per second (m³/s) | Liters per second (L/s) |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 0.25 | 250 |
| 0.5 | 500 |
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 5 | 5000 |
| 10 | 10000 |
| 15 | 15000 |
| 20 | 20000 |
| 25 | 25000 |
| 50 | 50000 |
| 75 | 75000 |
| 100 | 100000 |
| 250 | 250000 |
| 500 | 500000 |
| 1000 | 1000000 |
| 5000 | 5000000 |
| 10000 | 10000000 |
Understanding Cubic meters per second
The Cubic meter per second (symbol: m³/s) is a unit of volumetric flow rate. The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. m³/s is the universal unit in fluid-dynamics research (Reynolds and Navier-Stokes work), large-pipeline engineering (offshore oil-export risers, district-energy distribution mains), river and flood hydrology (where it is conventionally called the "cumec" — for "cubic meter per second" — in technical writing), large-scale wastewater treatment, and industrial process flow simulation (Aspen HYSYS, CHEMCAD, OLGA). Reference scale: the Amazon River average discharge is ~209,000 m³/s, the Mississippi ~16,800 m³/s, a major dam spillway flood release ~5,000-15,000 m³/s. Most practical applications use smaller units (L/s, m³/hr, GPM) because m³/s values are typically very small for human-scale equipment — a household faucet is ~0.0002 m³/s. Converting to gallons per minute (US): multiply by 15,850. Converting to L/s: multiply by 1,000.
It belongs to the metric measurement system.
Cubic meters per second are commonly used in plumbing, HVAC systems, and chemical process engineering.
Understanding Liters per second
The Liter per second (symbol: L/s) is a unit of volumetric flow rate. A metric flow-rate unit equal to exactly 0.001 m³/s. L/s is the typical unit for plumbing fixtures in metric-using countries, the SI-aligned sizing unit for water-supply mains (per ISO 4064 water meter specs and EN 805 European water-supply standard), fire-pump capacities (often dual-listed in L/s and m³/hr on European fire-rated pumps), and medium-flow industrial processes. Reference values: a typical kitchen faucet flows 0.1-0.15 L/s, a metric shower head 0.13-0.20 L/s, a 50 mm domestic-water service ~3-5 L/s, a 100 mm fire-hydrant supply main 30-60 L/s. Converting L/s to GPM (US gallons per minute) is multiply by 15.85 — one of the most-needed unit conversions for buyers of imported European pump/plumbing equipment specifying performance in metric units. 1 L/s = 60 L/min = 3.6 m³/hr.
It belongs to the metric measurement system.
Liters per second are commonly used in plumbing, HVAC systems, and chemical process engineering.
Why Convert Cubic meters per second to Liters per second?
Converting between Cubic meters per second and Liters per second is a frequent requirement for engineers, scientists, and students working with volumetric flow rate values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate volumetric flow rate conversion is essential.
Frequently Asked Questions
How do I convert Cubic meters per second to Liters per second?
The SI unit of volumetric flow rate (ISO 80000-4 §4-30) — the volume of fluid passing a fixed cross-section per unit time. To convert Cubic meters per second to Liters per second, multiply by 1000. For example, 25 m³/s equals 25000 L/s.
How many Liters per second are in 1 Cubic meter per second?
There are 1000 Liters per second in 1 Cubic meter per second.
How many Cubic meters per second are in 1 Liter per second?
There are 0.001 Cubic meters per second in 1 Liter per second.
What is the formula for Cubic meter per second to Liter per second conversion?
The formula is: multiply by 1000. This means 1 m³/s = 1000 L/s.
Is a Cubic meter per second bigger than a Liter per second?
No. One Cubic meter per second is smaller than one Liter per second because 1 m³/s equals 1000 L/s, which is greater than 1.
When do you need to convert between Cubic meters per second and Liters per second?
A metric flow-rate unit equal to exactly 0. Cubic meter per second and Liter per second are both volumetric flow units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.