Call

Email

01452 300 110 enquiries@dutypoint.com

Home < Knowledge Point < Know-How < Conversions

Conversions

To convert to litres/sec

iGPM	x 0.0757
m³/hr	x 0.278
m³/min	x 16.68
Metric tonnes/hr	x 0.278 ÷ S.G.
Litres/min	x 0.0167
Kilogrammes/hr	x 0.000278 ÷ S.G.
USGPM	x 0.063
Cubic feet/sec	x 28.3
Cubic feet/min	x 0.47
British tons/hr	x 0.282 ÷ S.G.
British barrels/hr	x 0.453

To convert to m³/hr

iGPM	x 0.273
m³/hr	x 3.6
m³/min	x 0.06
Metric tonnes/hr	x 1 ÷ S.G.
Litres/min	x 60
Kilogrammes/hr	x 0.001 ÷ S.G.
Kilogrammes/sec	x 3.6 ÷ S.G.
USGPM	x 0.227
Cubic feet/sec	x 102
Cubic feet/min	x 1.7
British tons/hr	x 1.015 ÷ S.G.
British barrels/hr	x 0.163

Pumping head conversions

To convert to metres

Feet	x 0.305
kg/cm²	x 10 ÷ S.G.
PSI	x 0.704 ÷ S.G.
Inches Hg	x 0.345 ÷ S.G.
cm Hg	x 0.1362 ÷ S.G.
Atmospheres	x 10.35 ÷ S.G.
KN/m² (KPa)	x 0.102 ÷ S.G.
Bar	x 10.2 ÷ S.G.

Power conversions

To convert to kilowatts

Horsepower

x 0.746

To convert to horsepower

Kilowatts

÷ 0.746

KW =

m³/hr X total head in metres X S.G.

÷

367.87 X pump efficiency

BHP =

IMP.GPM X total head in ft X S.G. 10

÷

33,000 X pump efficiency

GET IN TOUCH

Talk to our experts about choosing the right product

PRODUCT RANGE

Browse our extensive range of pumps and systems

BIG RED BOOK

250 pages of industry-leading pump systems and technology

RESOURCES

Video guides, case studies training, view it all here

More resources

Visit the knowledge point

Tall Office Building

Case studies

Find all our past and present projects to see the solutions we provide.

Pile Of Notebooks Next To Laptop

Flow and pressure converter

Convert a multitude of flow rate and pressure units.

Man Using Calculator At Desk

Friction head loss calculator

Estimate the level of friction head loss in your system.