Tempo cozimento (arroz)
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Rice Cooking Time Calculator estimates how long to cook rice based on the number of portions. It uses the formula t = 20 + (portions × 2), where 20 minutes is the base time for water to boil and rice to start cooking, and 2 extra minutes per portion adjust for rice and water quantity. Suitable for simple recipes or stovetop cooking with standard rice-to-water ratios (1:1.5 or 1:2).
This tool is ideal for quick rice preparation without constant monitoring. The calculation assumes standard water and rice proportions common in Brazilian cooking. Variations like rice type (white, brown, parboiled) or specific methods (pressure cooker, oven) may require manual time adjustments. Always check the rice's texture at the end for accuracy.
Important considerations: if rice is too dry or water insufficient, increase cooking time. For larger portions, verify the rice's doneness to avoid undercooking or overcooking. This calculator provides a practical estimate but requires active checking in final stages.
Frequently asked questions
Why is the base time 20 minutes?
The 20-minute base accounts for water boiling and initial rice cooking in a standard pot using typical rice-to-water ratios.
Can I use this calculator for parboiled rice?
Yes, but reduce the time by 20-30% as parboiled rice cooks faster. Adjust manually if needed.
What's the maximum number of portions supported?
There's no limit, but for over 10 portions, check doneness at the end to ensure consistency.
How does it work with a pressure cooker?
The calculator doesn't account for pressure cookers, which reduce cooking time. Use the appliance's specific guidelines instead.