GardenCalcs.uk
Turf Roll Calculator — How Many Rolls of Turf Do I Need
Work out how many turf rolls you need to lay a new lawn.
Length of the lawn area to be turfed (rolls are laid edge to edge)
Width of the lawn area to be turfed, measured at the widest point
Price of one 1 m² turf roll, for a delivered-cost estimate
Adds the waste factor below so you order enough turf to trim at edges and around obstacles
Extra turf to allow for trimming: 5% for a simple rectangle, 10% for curves or angles, 15% for circular or highly irregular lawns
How We Calculate This
Each standard UK turf roll covers approximately 1 m² (610 mm × 1640 mm).
Formula: Rolls = Area ÷ 1.0 m² (rounded up)
A wastage allowance (5% for a simple rectangle, 10% for curves, 15% for highly irregular lawns) covers trimming at edges and around obstacles. Set it under Advanced options.
Frequently Asked Questions
In the UK, a standard turf roll is typically 610 mm × 1640 mm, covering approximately 1 m². Some suppliers sell larger rolls.
Allow 5% extra for cuts and joins. For irregular shapes or lots of curves, allow up to 10%.
Turf can be laid year-round except during frost or drought. Autumn and spring are ideal. Lay turf within 24 hours of delivery.
Remove old turf/weeds, rotavate the soil, level it, and firm with a roller. Add topsoil if needed to a minimum depth of 10 cm. Rake to a fine tilth.
Avoid walking on newly laid turf for at least 2-3 weeks. After 4-6 weeks the roots should be established. You can check by gently pulling a corner.
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Last updated: February 2026
All calculations are estimates based on standard gardening guidelines. Results may vary with soil conditions, climate, and plant varieties.