Drilling Conversion Chart
| To Convert | Into | Multiply By | |
|---|---|---|---|
| Distance | Feet | Metres | 0.3048 |
| Metres | Feet | 3.2808 | |
| Inches | Millimetres | 25.4 | |
| Millimetres | Inches | 0.0394 | |
| Volume | Barrels | Cubic Metres | 0.1590 |
| Cubic Metres | Barrels | 6.29 | |
| U.S. Gallons | Cubic Metres | 0.003785 | |
| Cubic Metres | U.S. Gallons | 264.2 | |
| U.S. Gallons | Litres | 3.7854 | |
| Litres | U.S. Gallons | 0.2642 | |
| Pressure | kilopascals - kPa | psi | 0.14504 |
| psi | kilopascals - kPa | 6.8947 | |
| megapascals - MPa | psi | 145.038 | |
| psi | megapascals - MPa | 0.006895 | |
| atm | psi | 14.696 | |
| psi | atm | 0.06804 | |
| bars | psi | 14.5038 | |
| psi | bars | 0.06895 | |
| kilogram/sq cm | psi | 14.2233 | |
| psi | kilogram/sq cm | 0.07031 | |
| Torque | foot pound | newton metres nm | 1.3558 |
| newton metres nm | foot pound | 0.7376 | |
| Area | Square inches | Square millimetres | 654.16 |
| Square millimetres | Square inches | 0.00155 | |
| Nozzle size | 32nds | millimetres | 0.7938 |
| millimetres | 32nds | 1.2598 | |
| Circulation Rate | Barrels/min | Gallons/min | 42 |
| Gallons/min | Barrels/min | 0.02381 | |
| Gallons/min | Litres/min | 3.7854 | |
| Litres/min | Gallons/min | 0.2642 | |
| Mud Weight | Pound/gallon | Kilogram/cubic metre | 119.829 |
| Kilogram/cubic metre | Pound/gallon | 0.008345 | |
| Pound/gallon | Specific gravity | 0.119829 | |
| Specific gravity | Pound/gallon | 8.3452 | |
| Pound/gallon | Psi/1000ft | 51.948 | |
| Psi/1000ft | Pound/gallon | 0.01923 | |
| Pulldown | Pounds | Decanewtons | 0.4448 |
| Decanewtons | Pounds | 2.2481 | |
| Pounds | Tonne | 2240 | |
| Tonne | Pounds | 0.00046 | |
| Pounds | Kilograms | 0.4536 | |
| Kilograms | pounds | 2.205 | |
| Annular Velocity | Feet/min | Metres/min | 0.3048 |
| Metres/min | Feet/min | 3.2808 |