Workshop
Circular saw running watts and starting watts
Use these values as a planning range only. The conservative default for circular saw is 1,500 W running and 3,500 W starting.
| Load type | Low | Default | High |
|---|---|---|---|
| Running watts | 1,200 W | 1,500 W | 1,800 W |
| Starting watts | 2,400 W | 3,500 W | 4,500 W |
Source note
Tool motor startup can be high; default is a conservative saw nameplate planning value.
Never operate a fuel-burning generator indoors, in a garage, on a porch, or near open windows. Use a listed transfer switch or interlock installed by a qualified electrician for home wiring, and verify actual device nameplates before buying equipment.
Related calculator pages
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