Slow Cooker to Oven Conversion Calculator
Convert slow cooker cooking times and temperatures to oven equivalents.
Works for both Celsius and Fahrenheit.
Slow cookers and conventional ovens work very differently. Slow cookers use low, moist heat over long periods — the lid traps steam, keeping food tender and preventing moisture loss. Ovens use dry circulating heat that evaporates moisture, producing browned surfaces but requiring shorter cook times.
The conversion principle: The relationship is not linear — slow cooking at Low (around 90°C / 190°F) for 8 hours is roughly equivalent to oven cooking at 150–160°C (300–325°F) for 2–3 hours. The oven temperature is higher to compensate for the shorter time and the lack of the sealed moisture environment.
Standard conversion guide:
| Slow Cooker Setting | Slow Cooker Time | Oven Temperature | Oven Time |
|---|---|---|---|
| Low | 6–8 hours | 150°C / 300°F | 1.5–2 hours |
| Low | 8–10 hours | 160°C / 325°F | 2–2.5 hours |
| High | 3–4 hours | 160°C / 325°F | 1.5–2 hours |
| High | 4–6 hours | 175°C / 350°F | 2–2.5 hours |
Important considerations:
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Liquid reduction: Slow cooker recipes often contain more liquid because the lid retains moisture. When converting to oven cooking, reduce liquid by about 25–30% to avoid watery results.
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Browning: Ovens can brown and caramelize the surface of meat; slow cookers cannot. For best results, sear meat in a pan before oven cooking or broil for 5 minutes at the end.
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Dense vegetables: Root vegetables like carrots and potatoes take longer in an oven. Cut them smaller than usual for oven conversions.
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Dairy and pasta: Add these in the last 30 minutes of oven cooking, just as you would in the last 30–60 minutes in a slow cooker.
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Altitude adjustments: At high altitudes (above 1,000 m / 3,300 ft), increase oven temperature by 5–10°C (10–20°F) and check for doneness earlier.
Reverse conversion (oven to slow cooker): To convert an oven recipe to a slow cooker, multiply the oven time by 3–4x and use the Low setting, or 2–3x on the High setting.