Plan 2 Student Loan Repayment in the UK (2026 Guide)
Plan 2 repayments, thresholds and interest in plain English.
Architecture & Construction
Every Architecture calculadora on Calculadora.co.uk — free, fast and built for the UK.
Volume of a water tank, ramp gradient for Part M compliance, and other practical tools for architects, builders and DIYers in the UK.
22 calculators in this category · updated weekly
Estimate maximum uniform load on a simply-supported timber or steel beam given span, section modulus and material grade.
Estimate how many bricks you need per square metre of wall for UK standard bricks (65 mm) or Brazilian 8- and 6-hole ceramic bricks.
Work out concrete volume in m³ for slabs, footings or columns and the typical cement-sand-aggregate mix by weight.
Work out the number of deck boards, joists and screws for a given deck size and board width, with waste allowance.
Compute the arc and clearance required for a given door width and swing angle, so nothing blocks the swing.
Count drywall sheets, studs, screws and joint compound for partition walls at standard UK and BR panel sizes.
Work out fence posts, panels and concrete needed for a run of fencing at a given panel size and post spacing.
Estimate square metres of flooring plus waste (7–10%) for laminate, LVT or engineered wood in a rectangular room.
Work out R-value (or U-value) for a wall/roof build-up from each layer’s thermal resistance for UK Part L compliance.
Convert between board feet, cubic metres and linear metres for lumber — with volume for common cross-sections.
Estimate mortar required for brick or block walls in m³ and in 25 kg bags, including a 10% waste allowance.
Estimate litres of paint for walls and ceilings from room dimensions and coverage (typically 10–12 m² per litre per coat).
Work out plaster or render volume for a wall area in m³ and in 25 kg bags, with thickness options from 10 to 20 mm.
Calculate ramp gradient as a ratio, percentage and angle, with UK Building Regulations Part M compliance flags.
Estimate rebar weight and length for slabs, beams and columns by diameter, spacing and member geometry.
Translate between roof pitch expressed as angle, ratio (rise:run) and percentage, with common UK/BR roofing ranges.
Work out tonnes of sand or gravel for a bed of a given depth and area, with common density for UK and BR suppliers.
Work out the number of risers, tread depth and total run needed to span a given floor-to-floor height under UK Part K / ABNT rules.
Work out how many tiles you need for a given area and tile size, plus a waste allowance (10% straight, 15% diagonal).
Work out how many wallpaper rolls you need from wall height, perimeter and pattern repeat, with 10% waste.
Work out the capacity of a rectangular or cylindrical water tank in litres, cubic metres and gallons.
Size electrical cable (mm² or AWG) from current draw, run length and voltage drop for UK 230V or Brazilian 127/220V.
Estimate how many bricks you need per square metre of wall for UK standard bricks (65 mm) or Brazilian 8- and 6-hole ceramic bricks.
Work out concrete volume in m³ for slabs, footings or columns and the typical cement-sand-aggregate mix by weight.
Work out the number of deck boards, joists and screws for a given deck size and board width, with waste allowance.
Compute the arc and clearance required for a given door width and swing angle, so nothing blocks the swing.
Count drywall sheets, studs, screws and joint compound for partition walls at standard UK and BR panel sizes.
Work out fence posts, panels and concrete needed for a run of fencing at a given panel size and post spacing.
Estimate square metres of flooring plus waste (7–10%) for laminate, LVT or engineered wood in a rectangular room.
Work out R-value (or U-value) for a wall/roof build-up from each layer’s thermal resistance for UK Part L compliance.
Convert between board feet, cubic metres and linear metres for lumber — with volume for common cross-sections.
Estimate mortar required for brick or block walls in m³ and in 25 kg bags, including a 10% waste allowance.
Estimate litres of paint for walls and ceilings from room dimensions and coverage (typically 10–12 m² per litre per coat).
Work out plaster or render volume for a wall area in m³ and in 25 kg bags, with thickness options from 10 to 20 mm.
Estimate rebar weight and length for slabs, beams and columns by diameter, spacing and member geometry.
Translate between roof pitch expressed as angle, ratio (rise:run) and percentage, with common UK/BR roofing ranges.
Work out tonnes of sand or gravel for a bed of a given depth and area, with common density for UK and BR suppliers.
Work out the number of risers, tread depth and total run needed to span a given floor-to-floor height under UK Part K / ABNT rules.
Work out how many tiles you need for a given area and tile size, plus a waste allowance (10% straight, 15% diagonal).
Work out how many wallpaper rolls you need from wall height, perimeter and pattern repeat, with 10% waste.
A quick glossary covering the controlled vocabulary we keep consistent across every calculator in this cluster.
Plan 2 repayments, thresholds and interest in plain English.
Council Tax bands, discounts and how estimates work.
FGTS basics for Brazilian workers.