Free Financial Decision Calculator
Inflation & Purchasing Power Calculator
Translate today’s dollars into future spending needs — and see what a fixed future dollar amount may buy in today’s purchasing power.
Reviewed · Aug 20, 2026
What this does
Shows how inflation can change future spending needs and the purchasing power of a fixed dollar amount.
Have ready
A dollar amount, a time horizon and an inflation assumption you want to test.
Terra approachTransparent assumptionsEducational comparisonNo product recommendationHow Terra handles revenue →
Your assumptions
Change the numbers yourself. Terra shows a transparent scenario, not a prediction or recommendation.
Try annual spending, a future purchase, or a round amount such as $1,000,000.
Use an assumption, not a promise about future inflation.
How far into the future do you want to translate purchasing power?
Saved scenarios stay privately in this browser under My Terra. Nothing is saved unless you choose Save this scenario.
Method: Terra compounds your inflation assumption annually. This is a purchasing-power illustration; actual prices do not all rise at the same rate.