UK Builders' Measurement & Weight Converter
Convert the measurements and weights commonly used in UK construction, with a particular focus on timber, plywood and sheet materials.
Metric & Imperial Length Converter
Convert millimetres, centimetres, metres, inches, feet and yards. Results include feet and inches and useful fractional-inch equivalents.
Common UK trade measurements
Feet & Inches to Millimetres
Sheet Material Size & Weight Calculator
Calculate sheet area, imperial dimensions, volume and estimated weight for plywood, MDF, OSB, chipboard and hardboard.
How Many Sheets Do I Need?
Estimate the number of sheets required from your total area and sheet size.
Common Sheet Sizes
| Common size | Metric equivalent | Approx. area |
|---|---|---|
| 8 × 4 ft | 2440 × 1220mm | 2.98m² |
| 6 × 4 ft | 1830 × 1220mm | 2.23m² |
| 4 × 2 ft | 1220 × 610mm | 0.74m² |
| 4 × 1 ft | 1220 × 305mm | 0.37m² |
| 2 × 2 ft | 610 × 610mm | 0.37m² |
Timber Size Converter
Compare common nominal imperial timber sizes with metric dimensions and typical finished timber sizes.
Timber Weight Calculator
Estimate timber weight from section size, length, quantity and approximate density.
UK Construction Weight Converter
Convert kilograms, tonnes, pounds, ounces, UK hundredweight and imperial tons.
Common UK Construction Weights
| Measurement | Equivalent |
|---|---|
| 1 kg | 2.205 lb |
| 10 kg | 22.05 lb |
| 100 kg | 220.46 lb |
| 500 kg | 0.5 tonnes |
| 1 metric tonne | 1,000 kg / 2,204.62 lb |
| 1 UK hundredweight | 50.802 kg |
| 1 imperial ton | 1,016.05 kg |
Area Calculator
Calculate square metres, square feet and square yards from length and width.
Volume Calculator
Calculate cubic metres, cubic feet, cubic yards and litres from dimensions.
General Building Conversions
Quick reference conversions for measurements commonly encountered in UK building work.
| Measurement | Equivalent |
|---|---|
| 1 inch | 25.4mm |
| 1 foot | 304.8mm |
| 1 yard | 0.9144m |
| 1 m² | 10.764 ft² |
| 1 ft² | 0.0929m² |
| 1 m³ | 35.315 ft³ |
| 1 m³ | 1.308 yd³ |
| 1 litre | 0.001m³ |
| 1 kN | 1,000 N |
| 1 MPa | 1 N/mm² |
| 1 bar | 14.504 psi |
Roof Pitch Converter
Convert rise and run into degrees and percentage gradient.
Looking for sheet materials?
Browse plywood, MDF, OSB and timber from Plywoodetc.