Metric-first inputs
Calculator links from this page pass the English GB locale so supported tools default to metres, centimetres, square metres, litres, kilograms, millimetres, and litres per hour.
United Kingdom
Garden Calculators for UK Gardens
Use metric-first calculators for borders, planters, lawns, compost, and rainwater storage, with imperial context where it helps.
Localized planning profile
Designed around metres, centimetres, litres, and kilograms.
| Measurement | Default |
|---|---|
| Length | metres |
| Small length | centimetres |
| Area | square metres |
| Liquid volume | litres |
| Weight | kilograms |
English GB tools
Calculators set up for UK garden planning
Use these calculators with metres, centimetres, square metres, litres, kilograms, millimetres of rainfall, and litres per hour where those units match common UK garden product labels.
| Need | Calculator | UK planning note |
|---|---|---|
| Raised bed or border soil | Raised Bed Soil Calculator | Opens in metric mode for metres, centimetres, litres, and 40 L bag estimates. |
| Pots, troughs, and balcony planters | Balcony Planter Soil Calculator | Uses centimetres and litre bag sizes for compost and potting mix planning. |
| Mulch for beds and borders | Mulch Calculator | Starts with square metres and centimetres for bark mulch, compost mulch, or decorative cover. |
| Lawn area and grass seed | Lawn Area Calculator / Lawn Seed Calculator | Uses square metres for lawn measurements while still showing useful imperial context where available. |
| Water butts and rainwater storage | Rainwater Collection Calculator | Starts with roof area in square metres, rainfall in millimetres, and tank size in litres. |
| Drip irrigation | Drip Irrigation Flow Calculator | Uses litres per hour emitters and litres per watering session. |
| Fertiliser and compost | Fertiliser NPK Calculator / Compost Ratio Calculator | Supports square metres, kilograms, N-P-K label maths, and compost C:N planning estimates. |
UK defaults
What is complete for English GB
Built around UK garden jobs
Plan raised beds, borders, planters, lawns, water butts, drip irrigation, fertiliser, mulch, and home compost without converting everything from US units first.
Clean GB locale signals
This page is the English GB locale URL, participates in the hreflang cluster, and links to the shared calculator tools with the GB locale applied.
Tools
Start with the calculator hub
Calculator pages are structured for translation with locale-specific units, examples, and keyword angles. Deep localized calculator copy should be written per market rather than machine-translated.