Practical guide
Understanding health plan cost comparison — compare plan a monthly premium
Everyday editorial team · GEOINNOVATION CO., LTD · Published · Updated
What this calculation is for
Comparing health plans requires both premiums and the cost-sharing rules that apply when care is used. The plan with the lowest deductible or lowest premium need not be cheapest at every level of spending.
How the method works
The model adds annual premium, modeled spending below the deductible and the entered member coinsurance after the deductible. Both plans are tested against the same care-spending assumption. The displayed model uses: Annual premium plus the estimated member share after deductible for entered covered care.
A worked example
For an illustrative health plan cost comparison scenario, use Plan A monthly premium: 400 $; Plan B monthly premium: 320 $; Plan A deductible: 1500 $; Plan B deductible: 3000 $; Expected annual covered care before insurance: 5000 $; Plan A coinsurance after deductible: 20 %; Plan B coinsurance after deductible: 20 %. The modeled lower estimated annual plan cost is $7,000. These are example assumptions, not current prices, official benefit amounts or personalized advice.
Assumptions and real-world differences
The simplified calculation excludes out-of-pocket caps, service-specific copays, uncovered care and network pricing. It is not a recommendation to switch coverage. A simplified comparison; network, prescriptions, copays, out-of-pocket maximum and coverage rules vary.
Comparing two plan a monthly premium assumptions
The baseline and alternative calculations change plan a monthly premium while keeping the remaining model inputs the same. This isolates that particular assumption rather than comparing two completely different plans. Read both detailed outcomes and the B-minus-A difference in the headline’s units. A larger number is not automatically better: a larger cost and a larger savings balance have opposite interpretations.
Reproduce this tool’s example
These fixed example inputs are independent of edits you make above. Enter them in this tool to reproduce the result, then replace them with your own assumptions.
- Plan A monthly premium
- 400 $
- Plan B monthly premium
- 320 $
- Plan A deductible
- 1,500 $
- Plan B deductible
- 3,000 $
- Expected annual covered care before insurance
- 5,000 $
- Plan A coinsurance after deductible
- 20 %
- Plan B coinsurance after deductible
- 20 %
- Alternative plan a monthly premium
- 500 $
Scenario B result: $7,240
Scenario A: $7,000. Lower estimated annual plan cost.
- Scenario A main result: $7,000
- Scenario B main result: $7,240
- Numeric difference (B − A), in result units: 240
Frequently asked questions
- Is the coinsurance field the insurer’s share?
- Use the member-paid percentage requested by the field. Entering the insurer’s percentage would reverse the intended cost share.
- Which inputs should I check before using this health plan cost comparison estimate?
- Check plan a monthly premium, plan b monthly premium, plan a deductible, plan b deductible, expected annual covered care before insurance, plan a coinsurance after deductible, plan b coinsurance after deductible. Match each field’s unit and time period, then compare the detailed rows rather than treating the headline alone as the complete answer.
- Can I also change other assumptions in the alternative?
- This one-factor comparison deliberately holds them fixed. Use the two-scenario version when rates, costs, timing or several household inputs all differ.