Free cycle tools
Four free calculators. Everything is calculated on your own device: we store nothing and send nothing anywhere.
- When is my next period due?Work out for free when your next period is due. Enter the first day of your last period and your cycle length and see your next 6 periods.
- When am I fertile?Work out your ovulation and fertile days for the next 3 cycles for free. Enter the first day of your last period and your cycle length.
- When is my baby due?Work out your due date for free from your last period or the conception date, and see how many weeks pregnant you are now.
- How many weeks pregnant am I?Work out for free how many weeks and days pregnant you are, which trimester you are in and how many days are left until your due date.