Relationship Calculators

Calculate love compatibility between two people using name numerology with a percentage score.

Check astrological compatibility between any two zodiac signs with a love, friendship, and overall score.

Calculate the age difference between two people in years, months, and days with a half-plus-seven check.

Fun estimator for when you'll meet someone new based on dating effort, city size, and selectivity.

Classic FLAMES name game — find out if you're Friends, Lovers, Affectionate, Married, Enemies, or Siblings.

Plan your wedding budget with a 10-category breakdown and per-guest cost analysis — venue, catering, attire, flowers, photography, and more.

Split wedding costs between the couple and families using traditional or modern allocations.

Calculate how much to save each month to reach your honeymoon budget by your wedding date.

Calculate an engagement ring budget based on salary using the 1, 2, or 3 month rules — with alternatives.

Estimate the total cost of raising a child from birth to 18 based on income, cost of living, and number of kids.

Calculate a monthly date night budget covering dinner, activity, and extras, and see how many dates you can afford.

Calculate how long you've been together in years, months, and days, plus a countdown to your next anniversary.

Track how long you've been dating in years, months, weeks, days, hours, and minutes from your first date.

Countdown to your wedding day in days, weeks, months, hours, and minutes — plus a planning checkpoint timeline.

See which relationship milestones you've passed based on how long you've been together and average timelines.

Estimate how long it will take to recover from a breakup based on relationship length and emotional factors.

Estimate the total cost of divorce including attorney fees, filing, mediation, and contested vs uncontested paths.

Estimate monthly spousal support payments from income difference and length of marriage using general formulas.

Estimate monthly child support using the income shares model from both parents' income and number of children.

Estimate how many eligible singles match your preferences in your city using demographic filters.

Find the socially acceptable dating age range for any age using the classic 'half your age plus seven' rule.

Calculate your online dating return on investment in hours, messages, and dates to find a relationship.