Slow Cooker High to Low Converter

Convert slow cooker time between high and low settings.

hours

Results

Time on low8 hours
Time on high4 hours
Conversion rule1 hour on high ≈ 2 hours on low
Temperature noteHigh reaches ~300°F, low reaches ~200°F

The general rule for slow cookers is that 1 hour on high equals 2 hours on low. Both settings eventually reach the same temperature (around 209°F), but low gets there more slowly. Use low for tougher cuts that benefit from longer, gentler cooking, and high when you need dinner ready faster.

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Frequently asked questions

Yes, generally 4 hours on high equals 8 hours on low. Both reach the same final temperature, but low gets there more gradually which can be better for tough meats.

Low is better for tough cuts like chuck roast, brisket and pork shoulder - the longer time breaks down collagen more gently. High works well for chicken, soups and dishes with shorter cook times.

Yes, you can switch settings during cooking. If you start on high and switch to low after 2 hours, add about 1.5x the remaining high time as low time.

On low, most slow cookers reach about 190-200°F. On high, they reach 280-300°F. Both eventually simmer at 209°F, but high gets there faster.

Yes, most slow cooker recipes on low are safe for 8-10 hours. Some recipes can go up to 12 hours on low. Do not leave on high overnight as food may overcook.

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