AGT™ Glow Calculator

Glow Stone Broadcast Coverage Calculator

Estimate how much AGT™ ULTRA or ULTRA-X Glow Stones you'll need for your glowing concrete project.

Glow stone type

ULTRA-X is the brightest, longest-glowing grade.

AGT™ glow stone size

Larger stones cover less area per unit of weight.

Measurement

Choose metric or imperial units.

Desired glow effect

Higher definition uses more material. See the guide alongside.

Length

Width

Coverage area

100 ft²

Length multiplied by width.

Glow stone required

7 lb

AGT™ glow stone needed for your project.

Coverage rate used

16 ft²/lb

1 lb covers 16 ft².

Estimated price

$315 USD

At $45 USD/lb for ULTRA Grade.

This calculator provides an estimate only. Actual coverage and pricing vary with placement technique, surface texture, and installation method. For commercial or municipal projects, contact AGT™ to confirm quantities, pricing, and the recommended coverage rate. Volume discounts are available for orders over 25 lbs. Please reach out to a glow expert today for more information.

Ask a Glow Expert

High Definition

Ideal for projects requiring the highest glow effect possible.

Moderate Definition Recommended

The best glow effect for the money.

Accent Definition

Ideal for projects that only want a subtle glow accent.

Glow Stone Coverage Rate Guide

ULTRA, ULTRA X & MINI PEBBLE GLOW STONE COVERAGE RATES (per lb.)

Definition	Coverage per lb.	Coverage per lb.	Coverage per lb.
Coverage Type	1/2”	1/4”	1/8”
Accent	32 sq.ft.	56 sq.ft.	72 sq.ft.
(6-8” between stones)
Moderate	16 sq.ft.	28 sq.ft.	36 sq.ft.
(3-4” between stones)
High	8 sq.ft.	14 sq.ft.	18 sq.ft.
(1.5-2” between stones)

ULTRA, ULTRA X & MINI PEBBLE GLOW STONE COVERAGE RATES (per kg.)

Definition	Coverage per kg.	Coverage per kg.	Coverage per kg.
Coverage Type	12mm (9-14mm)	8mm (5-8mm)	4mm (2-4mm)
Accent	6.5 m2	11.4 m2	16.4 m2
(15-20cm between stones)
Moderate	3.3 m2	5.7 m2	8.2 m2
(8-10cm between stones)
High	1.6 m2	2.9 m2	4.1 m2
(4-5cm between stones)