Free money and health calculators
Quick, honest answers to common money and health questions. Each one explains how it works and what it leaves out.
- Pregnancy due date calculatorYour estimated due date and how many weeks pregnant you are today.Open the calculator →
- Coast FIRE calculatorHow much you need invested today to stop saving for retirement.Open the calculator →
- Calorie deficit calculatorHow many calories a day to lose weight at a steady pace.Open the calculator →
- Savings rate calculatorHow your savings rate sets the years until you could stop working.Open the calculator →
- Rent vs buy calculatorWhich leaves you better off over the years you expect to stay.Open the calculator →
About these calculators
Built by The Artifacts Lab: free tools for money, health and planning. Each calculator shows how its numbers are worked out and what it leaves out. Nothing you type into them is saved or sent anywhere.