For planning, this lookup uses 245 W (range 240–250 W) for one 120 V AC slow cooker. The registered starting field is also 245 W (range 240–250 W) because the tool adds no separate motor-starting surge in this scenario.

These are generic planning values based on two generator-maker table entries, not measurements of your slow cooker. The registered data does not provide separate wattages for WARM, LOW, and HIGH. For a model-specific answer, use the input-watt rating on the appliance label or in its manual.

One slow cooker: lookup and generator check

Planning fieldRegistered result
Running power245 W (range 240–250 W)
Starting field245 W (range 240–250 W)
One-appliance generator capability307 W running, 245 W starting

For this single registered load, the tool returns 307 W running, 245 W starting. The decisive constraint is the 307 W recommended running capability; this scenario does not add a separate motor-starting surge.

This is only a capacity check for one slow cooker. If other essential loads must operate at the same time, add their running and starting requirements separately. Optional loads can be left out initially or scheduled for another time.

What the wattage range does—and does not—cover

The registered data contains one general appliance class labeled Slow cooker. It does not contain separate entries for WARM, LOW, HIGH, cooker capacity, or individual models. We therefore cannot assign the 240–250 W range to any one setting.

A thermostatically controlled heating element may switch on and off while cooking or holding food warm. Its power while energized and its average power over a longer period are not necessarily the same. This lookup supplies no cycle timing or duty cycle—the percentage of time the heating element is energized.

Large 8-quart models may draw more on HIGH, but no replacement value or expanded range is registered here. Check your appliance's rating instead of assuming that the generic range covers it.

Running watts are not daily energy use

Watts (W) describe power at a moment. Watt-hours (Wh) and kilowatt-hours (kWh) describe energy used over time. The basic relationship is:

Energy (Wh) = power (W) × time (hours)

A daily estimate for a cycling slow cooker also requires the operating time and the fraction of that time the heating element is energized. This page supplies neither value and does not calculate daily energy. We therefore cannot relabel the 245 W planning value as Wh or kWh per day or use it alone to promise a runtime.

What the generator result means

The displayed generator figure is a single-load capacity-planning check. It indicates the running and starting capability the tool recommends for the registered slow-cooker scenario. It is not a universal generator-sizing rule, a runtime estimate, or approval of a particular electrical setup.

Before connecting the appliance, separately confirm that the generator provides the voltage and receptacle the slow cooker requires. Follow the generator, cord, and appliance instructions. This lookup does not evaluate receptacles, extension cords, grounding arrangements, waveform requirements, installation, or safe connection methods.

If other loads must run at the same time, their demands also matter. Start with essential loads, then add optional loads only if the combined plan fits. Loads that do not need to operate together can take turns to reduce simultaneous demand.

Check your slow cooker's own rating

  1. Unplug the slow cooker before moving it to inspect the label. Look for an electrical rating label, often on the base or rear. You can also check the manufacturer's manual.
  2. Find the input rating. Prefer a value stated in watts, shown as W.
  3. Confirm the voltage. This page's registered example is a 120 V AC appliance. Do not apply this generator result to a 12 V DC appliance.
  4. Use the model-specific watts when available. That value is more suitable than the generic range for checking your own cooker.
  5. If watts are missing, record the listed volts and amps. An appropriate calculator can use those known values, but this page's default lookup does not perform that override calculation.
  6. If no usable rating is available, treat the wattage as unknown—not zero. Contact the manufacturer or locate the model's manual before choosing generator capacity.

If the label provides different input ratings by setting, use the rating for the setting you plan to operate. Do not assume WARM, LOW, and HIGH match the generic range on this page.

Assumptions and limits

We used the page's registered default: one slow cooker, with no model or operating-mode override. The typical value is the midpoint of two generator-table entries, 240 W and 250 W. It is a planning typical, not measured use.

The registered starting field matches the running field because this non-motor scenario adds no extra starting demand. That does not prove every slow cooker has an identical transient electrical profile.

No daily energy, cooking duration, thermostat duty cycle, or setting-specific cycling assumption was supplied. Actual use can vary with the cooker and its operation, so the appliance label or manual remains the better input for a specific unit.

Plan the rest of your outage loads

For a simple initial plan, combine the slow cooker only with the other loads that must operate during the outage. Add their running and starting requirements in the home generator calculator. Leave optional loads out at first or schedule them for a different time.

If running watts and starting watts are unfamiliar, read the linked guide before combining appliances.