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▸ §02 · ENGINEERING CALCULATORS · CALCBANK-01

Calculations
you can use tomorrow.

Same methods we apply on real EPC projects. Drag the sliders, watch the outputs solve live. Preliminary sizing only — verify with your project specs.

▸ SYSTEM
ARMED
● 8/8
UNIT
IMPERIAL
LATENCY
< 50 MS
CALC-D – UNIT CONVERTER – NIST SP 811

Engineering units, instantly.

Every unit conversion an oil and gas process engineer needs – pressure, flow, viscosity, gas volumes, and the ones textbooks always get wrong (psig vs psia, MMSCFD vs Nm3/h, API gravity, GOR).

CONVERTER STATUS
CATEGORIES
9
UNITS
70+
REFERENCE
API – ISO
LATENCY
LIVE
INPUT VALUE
CONVERTED VALUE
COMMON ENGINEERING PAIRS
METHOD Reference standards: NIST SP 811, API 14E, ISO 13443.
ALL EQUIVALENTS – LIVE OUTPUT
UPDATES AS YOU TYPE
UNIT VALUE COMMON USE
NOTE. Pressure conversions are gauge-to-gauge unless explicitly marked absolute (psia, kPa-a). Standard reference for gas flow: 15C and 101.325 kPa (ISO 13443). MMSCFD uses 60F and 14.696 psia (API standard). All conversions for preliminary sizing – verify with your project basis.
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