Calculators
MEP calculators
44 UK building services calculators - each with a dedicated guide page, explanation, and working tool. No account required.
- U-valueGuide + calc
- Ventilation rateGuide + calc
- MVHR sizingGuide + calc
- Pipe sizingGuide + calc
- Loading unitsGuide + calc
- Lux levelsGuide + calc
- Flue sizingGuide + calc
- Heat loadGuide + calc
- Duct sizingGuide + calc
- Duct heaterGuide + calc
- Hot water storageGuide + calc
- Voltage dropGuide + calc
- Design currentGuide + calc
- Max demand & diversityGuide + calc
- Cable sizingGuide + calc
- Earth fault loop ZsGuide + calc
- Adiabatic CPCGuide + calc
- Prospective fault currentGuide + calc
- Protective device helperGuide + calc
- Power factor correctionGuide + calc
- Motor starting currentGuide + calc
- RCD selection helperGuide + calc
- Refrigerant charge limitGuide + calc
- Part O assessmentGuide + calc
- Quick SAP estimateGuide + calc
- Cable containmentGuide + calc
- Duct coil heatingGuide + calc
- Duct coil coolingGuide + calc
- Heat recovery tempGuide + calc
- Drain gradientGuide + calc
- Stack dischargeGuide + calc
- Kitchen canopyGuide + calc
- Equipment finderGuide + calc
- Pipe water contentGuide + calc
- DHW return pumpGuide + calc
- Expansion vesselGuide + calc
- Drainage stackGuide + calc
- AHU coil capacityGuide + calc
- Cold water storageGuide + calc
- Pump sizingGuide + calc
- Oil tank sizingGuide + calc
- AHU / fan ESPGuide + calc
- Boiler plant dutyGuide + calc
- Louvre sizingGuide + calc