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The POWER of Professional Financial Software — made affordable, interactive & EASY

Easy sign-up, 4 simple questions to start

Set custom income, expenses, savings & investments

Include multiple individuals

Create savings plans and goals

Monte Carlo and Historical analyses

Track and view your history

"...the best user interfaces available in the retirement calculator world." — TIME Magazine

OnTrajectory is NOT just a retirement calculator — it is a lifetime Financial Planning tool with a LIBRARY OF GUIDES.
Unlike retirement calculators, OnTrajectory starts simple with the flexibility to grow your financial plan over time.
View our SCREENSHOTS to see why we have the best retirement calculator interface around!

"This is awesome! This will be my only retirement calculator, thanks."

Sophie in Seattle

"I'm now working on a new scenario, whereby I retire, move onto a boat, and go cruising rather than buying a house on a lake somewhere. OT makes it so easy to calculate retirement scenarios like this. Love it!"

Joe in Houston

"I tried out a lot of OnTrajectory's features for calculatiing retirement — I'm psyched about this really helpful tool!"

Karen in New York

"The setup was simple. The user interface is attractive and intuitive... OnTrajectory is in the retiremment calculator sweet spot that appeals to me."

Darrow Kirkpatrick,

"Great Financial Planning / Retirement Software!"

Jeff Manwaring, FCA Corp.

"Very consumer friendly and useful tool... I like that it's not just a retirement calculator tool."

Barbara Friedberg,

Resources & Partners

For maximum flexibility with Monte Carlo simulations, we recommend Flexible Retirement Planner

For a great tool focusing on Historical simulations, we recommend cFIREsim