Beginner Wild Pond Guide

We're putting together a full guide to keeping a wild, wildlife-friendly pond: the right fish and plants to add, how to manage water quality through the seasons, and what to do about the wildlife that turns up on its own. It's not written yet, but it's on the way.

In the meantime, we stock a full range of pond equipment in store and online, from pumps and filters to water treatments, lighting and seasonal food. Have a look at our Garden Ponds range, or call us on 01283 712924 if you'd like advice on what you need before the guide is live.

Check back here soon for the full guide.

Pond Categories

Find everything you need to keep a healthy happy pond.

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Rectangular Volume Pond Calculator

Simply enter the length, width, and depth of your rectangular pond to instantly calculate its total capacity in both Litres and UK Gallons. You can select your preferred measurement metric for each input to ensure a seamless setup, providing a highly precise volume result for your layout.Understanding your true water volume is fundamental to successful pond keeping. It informs every critical decision, from selecting the correctly rated filtration system and UV clarifier to planning safe fish stocking levels and calculating accurate water treatments or treatments for blanketweed. Whether you are maintaining a dedicated Koi pond, a vibrant planted water garden, or a haven for native wildlife, accurate measurements help you provide a stable and healthy ecosystem for your livestock.

Rectangular Pond Calculator

How to measure your rectangular pond

For accurate volume planning, ensure you measure the maximum internal dimension points of the pond liner shell.

Length Width Depth
Tip: If your pond has shelving or sloping sides, measure the average depth rather than the deepest point to avoid overestimating volume.
0 L

Total pond capacity in Litres

0 Gal

Total pond capacity in UK Gallons

Round Pond Volume Calculator

Simply enter the diameter and depth of your circular pond to instantly calculate its total capacity in both Litres and UK Gallons. You can select your preferred measurement metric for each input to ensure a seamless setup, providing a highly precise volume result for your layout.Understanding your true water volume is fundamental to successful pond keeping. It informs every critical decision, from selecting the correctly rated filtration system and UV clarifier to planning safe fish stocking levels and calculating accurate water treatments or treatments for blanketweed. Whether you are maintaining a dedicated Koi pond, a vibrant planted water garden, or a haven for native wildlife, accurate measurements help you provide a stable and healthy ecosystem for your livestock.

Round Pond Calculator

How to measure your round pond

For circular layouts, you need the distance across the widest continuous centerline alongside total depth.

Diameter Depth
Tip: Measure across the absolute centre point from water edge to water edge to find the proper diameter value.
0 L

Total pond capacity in Litres

0 Gal

Total pond capacity in UK Gallons

Pond Liner Size calculator

Simply enter the approximate length, width, and depth of your planned garden pond to instantly calculate the total minimum liner dimensions required. You can toggle between different input metrics and select your preferred output unit to ensure you find a precise match for commercial roll sizes.Working out just how much pond liner you will need to completely line a dug garden profile can be challenging. It requires calculating the base surface area alongside double the maximum vertical depth measurements to handle the drop walls safely. Our tool automatically accounts for a safety border overlap margin, ensuring you retain enough extra material to seamlessly anchor the sheet below perimeter stone or soil borders without running short during installation.

Pond Liner Calculator

Liner Sizing Guidance

Liner dimensions require calculating the base width and length plus double the maximum depth, alongside a mandatory edge overlap for anchoring.

Base Width Overlap Depth
Note: Our calculator dynamically embeds a secure 50 cm (1.6 feet) border overlap value into your final results automatically.
0 m

Minimum Liner Length Required

0 m

Minimum Liner Width Required