How Heavy Is a Curling Stone?
a Curling Stone weighs about
20 kg (44 lb)
Typical range: 17.2 kg – 20 kg.
- a curling stone20 kg
competition stone including handle and bolt, permitted range 17.24-19.96 kg (38-44 lb)
- a bowling ball7.26 kg
heaviest ball allowed in tenpin bowling (16 lb); USBC sets no minimum weight
- a domestic cat4.5 kg
adult domestic cat (Felis catus); males larger; range 4.1–5.4 kg
- a gallon of water3.78 kg
1 US gallon (3.785 412 L) of pure water at 4 °C
- You
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Put it in perspective
- About 2.8× a bowling ball
- About 4.4× a domestic cat
- About 5.3× a gallon of water
Sources
[1] World Curling Federation
The Rules of Curling and Rules of Competition 2026Standard body
“weight, including handle and bolt, no greater than 19.96 kg (44 lbs.) and no less than 17.24 kg (38 lbs.).”
Value as published: 17.24 kg (38 lbs.) to 19.96 kg (44 lbs.) · accessed 2026-11-11.
Last updated 2026-11-11.Report a correction (please include a source link).
Related objects
- a men's Olympic barbell20 kg (44.09 lb)
- a women's Olympic barbell15 kg (33.07 lb)
- a men's hammer7.26 kg (16.01 lb)
- a men's shot put7.26 kg (16.01 lb)
- a bowling ball16 lb (7.26 kg)
- a women's shot put4 kg (8.818 lb)
Frequently asked questions
How much does a curling stone weigh?
a Curling Stone weighs about 20 kg (44 lb) — competition stone including handle and bolt, permitted range 17.24-19.96 kg (38-44 lb).
How much is a curling stone in pounds and ounces?
44 lb, which is 704 oz. In metric terms: 20 kg.
Is a curling stone heavier than a bowling ball?
Yes. a Curling Stone weighs about 20 kg (44 lb), while a bowling ball is about 16 lb (7.26 kg) — roughly 2.8×.
Where does this number come from?
Every source is listed at the bottom of this page with publisher, link, access date and a verbatim quote. Numbers are only published when a qualifying source can be verified.