Tools for Architects
Practical online calculators and converters built for everyday architectural work. No signup required.
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Drawing Scale Converter
Convert between real-world measurements and drawing dimensions across any architectural scale.
Room Area Calculator
Calculate floor area for simple and complex room shapes. Shows m² and ft² instantly.
Architect Fee Calculator
Estimate professional fees based on project type, construction cost, and RIBA work stages.
Staircase Calculator
Calculate riser count, rise and going dimensions, total run and building regulation compliance.
Concrete Volume Calculator
Calculate concrete volume and weight for slabs, columns, beams and footings with bag estimates.
Window-to-Floor Ratio
Calculate WFR and estimated daylight factor for any room. Check against building regulation minimums.
AEC Unit Converter
Convert length, area, and volume units used in architecture: mm, cm, m, ft, in, yards and more.
Roof Pitch Calculator
Calculate roof pitch angle, ratio, slope percentage and rafter length from rise, run or angle.
Car Park Calculator
Calculate parking space count, efficiency percentage and layout from total area and bay dimensions.
Plot Ratio Calculator
Calculate FAR, site coverage and GIA from site area. Check against planning limits.
U-Value Calculator
Build up wall, floor or roof layers and calculate U-value. Check compliance with UK Part L.
Paint Coverage Calculator
Calculate litres of paint needed for walls, ceiling and trim with door and window deductions.
Sun Hours Estimator
Estimate peak sun hours and solar gain by city, season and facade orientation.
Steel Beam Size Calculator
Calculate required section modulus, bending moment and shear force. Suggests nearest standard UB size.
Brick & Block Calculator
Calculate number of bricks or blocks for a wall with mortar volume, deductions and wastage.
Rebar Calculator
Calculate rebar count, total length and weight for slabs, beams, columns and foundations.
Tile Calculator
Calculate tile count, adhesive and grout needed for floors and walls with pattern wastage.
Fire Escape Distance Checker
Check travel distance compliance, exit width and occupancy against Approved Document B.
Minimum Room Size Checker
Check room dimensions and GIA against UK Nationally Described Space Standard (NDSS).
Natural Ventilation Calculator
Calculate purge vent area, trickle vent requirement and extract rates per UK Part F.
Slope & Ramp Calculator
Calculate gradient, slope angle and ramp length with DDA/ADA/Part M compliance check.
Column Grid Spacing Tool
Plan structural grids, calculate tributary areas, column loads and preliminary sizing.
Construction Cost Estimator
Rough order of magnitude cost estimate by building type, quality level and region.
Project Timeline Estimator
Estimate project duration across RIBA stages with Gantt-style timeline by project type and scale.