Soil Removal Calculator UK Estimate excavation volume, tonnage, truck trips, and projected removal cost for UK projects. Length (metres) Width (metres) Depth (metres) Soil type Topsoil (typical loose density 1.2 t/m3)Subsoil (typical loose density 1.4 t/m3)Clay soil (typical loose density…

Soil Pipe Fall Calculator UK Calculate the required drop for soil and drainage pipe runs using gradient ratio or mm per metre. Built for UK installation planning. Pipe run length (metres) Gradient input mode Ratio (1:X)Millimetres per metre (mm/m) Gradient…

Soil Excavation Calculator UK Estimate excavation volume, loose volume, tonnage, truck loads, and total project cost for UK groundworks. Excavation shape Rectangular or trenchCircular pit Dimension unit Metres (m)Feet (ft) Soil type TopsoilClaySand and gravelChalkRock or very hard strata Length…

Soffit Vent Calculator UK Estimate required equivalent area (EA) for soffit ventilation using common UK design guidance from Approved Document C and BS 5250 style rules of thumb. Roof construction Cold roof (insulation at ceiling level)Warm roof (insulation at rafter…

SOFA Score Calculator UK Estimate Sequential Organ Failure Assessment (SOFA) score using common UK lab units. This tool supports rapid bedside stratification for suspected sepsis and critical illness. PaO2/FiO2 Ratio PaO2/FiO2 Unit mmHgkPa Respiratory Support No ventilatory supportMechanical ventilation or…

Socket Overload Calculator UK Estimate whether your plug socket or extension lead is running safely based on UK voltage and appliance load. UK Supply Voltage 230V (UK nominal)240V (legacy) Socket or Lead Rating (A) 13A (standard BS 1363 socket)10A (some…

Socket Calculator UK Estimate current draw, socket loading safety, and electricity running costs for UK plugs and outlets. Enter your appliance details, then click calculate for instant results and a visual cost chart. Socket type UK Domestic 13A (BS 1363)16A…

Social Security Contribution Calculator UK Estimate UK National Insurance contributions for employees, employers, and self-employed users in seconds. Updated for 2024/25 rates Contribution type Employee (Class 1 primary)Employer (Class 1 secondary)Employee + Employer combinedSelf-employed (Class 4 + optional Class 2)…

Social Security Calculator UK (State Pension Estimator) Estimate your UK State Pension based on qualifying National Insurance years, expected future years, and projected uprating. Current Age State Pension Age (planned) NI Qualifying Years Already Built Future Years Expected from Work/Credits…

Social Security Calculator UK Employer Contribution Estimate UK employer National Insurance contributions with category-based thresholds, pay frequency conversion, and visual cost breakdown. Gross Pay Amount Pay Frequency MonthlyWeeklyAnnual Tax Year / Policy Basis 2024-25 (Employer rate 13.8%)2025-26 (Employer rate 15.0%)…