convertimate Hydraulic conductivity

Gallons per day per ft² to meters per second

Type a value in gpd/ft² to get it in m/s instantly.

4.716×10⁻⁹m/s

That's 47× as permeable as clay, while silt is 21× more permeable.

What it means

How fast does water pass?

For water at about 20 °C. Ranges for each soil span a factor of 100 or more; the darcy unit applies to water at 20 °C.

The math

How to convert gpd/ft² to m/s

To convert gallons per day per ft² to meters per second, multiply by 4.716×10⁻⁷.

Example: 0.01 gpd/ft² × 4.716×10⁻⁷ = 4.716×10⁻⁹ m/s.

In the other direction, 1 m/s = 2,120,460 gpd/ft².

Every unit

That conductivity in every unit

Tables

gpd/ft² to m/s conversion table

gpd/ft² to m/s conversion table
gpd/ft²m/s
1×10⁻⁹ gpd/ft²4.716×10⁻¹⁶ m/s
1×10⁻⁸ gpd/ft²4.716×10⁻¹⁵ m/s
1×10⁻⁷ gpd/ft²4.716×10⁻¹⁴ m/s
1×10⁻⁶ gpd/ft²4.716×10⁻¹³ m/s
1×10⁻⁵ gpd/ft²4.716×10⁻¹² m/s
0.0001 gpd/ft²4.716×10⁻¹¹ m/s
0.001 gpd/ft²4.716×10⁻¹⁰ m/s
0.01 gpd/ft²4.716×10⁻⁹ m/s
0.1 gpd/ft²4.716×10⁻⁸ m/s
1 gpd/ft²4.716×10⁻⁷ m/s
10 gpd/ft²4.716×10⁻⁶ m/s
m/s to gpd/ft² conversion table
m/s to gpd/ft² conversion table
m/sgpd/ft²
1×10⁻⁹ m/s0.00212046 gpd/ft²
1×10⁻⁸ m/s0.0212046 gpd/ft²
1×10⁻⁷ m/s0.212046 gpd/ft²
1×10⁻⁶ m/s2.12046 gpd/ft²
1×10⁻⁵ m/s21.2046 gpd/ft²
0.0001 m/s212.046 gpd/ft²
0.001 m/s2,120.46 gpd/ft²
0.01 m/s21,204.6 gpd/ft²
0.1 m/s212,046 gpd/ft²
1 m/s2,120,460 gpd/ft²
10 m/s21,204,600 gpd/ft²

Quick answers

Quick answers

How many m/s is 1 gpd/ft²?
1 gpd/ft² is 4.716×10⁻⁷ m/s.
How many m/s is 10 gpd/ft²?
10 gpd/ft² is 4.716×10⁻⁶ m/s.
How many m/s is 0.01 gpd/ft²?
0.01 gpd/ft² is 4.716×10⁻⁹ m/s.

The units

About these units

Gallons per day per ft² (gpd/ft²)

US water-well and septic unit (Meinzer).

Meters per second (m/s)

The SI unit.

Learn more about conductivity units

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