Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Total non-refundable bond cost
$2,500
Down payment
$1,000
Monthly instalment
$167
Collateral to pledge
$0
Cost if you post cash bail
$750
Effective annualised cost of the bond
15.0%
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How to use this
- 1Enter bail amount set ($).
- 2Enter bond premium rate (%).
- 3Enter down payment required (% of premium).
- 4Enter payment plan length (months).
- 5Enter financing charge on the balance (%).
- 6Enter collateral required (% of bail).
- 7Enter court fee deducted from cash bail (%).
- 8Enter expected case length (months).
- 9Read your total non-refundable bond cost on the right — it updates as you type.
- 10Hit Share to keep the scenario or send it to someone.
About this calculator
When bail is set, a family has two realistic paths. Post the full amount in cash with the court, which is refundable at the end of the case regardless of outcome, minus any fees the court deducts; or pay a bail bond agent a non-refundable premium, typically 10% of the bail amount and set by state regulation, plus possible collateral. The premium never comes back even if charges are dropped the next day, which is why the cash route is far cheaper whenever the money exists or can be borrowed for a few months. This calculator compares total cost of each path, applies the payment-plan structure agents commonly offer (a down payment plus instalments, sometimes with financing charges), values the collateral you would need to pledge, and shows the effective annualised cost of the bond compared with borrowing the cash. Rates and rules vary by state — a few states have abolished commercial bail entirely — so check local practice before deciding.
Worked example
Using the values the calculator loads with:
Inputs
- Bail amount set: 25000 $
- Bond premium rate: 10 %
- Down payment required: 40 % of premium
- Payment plan length: 9 months
- Financing charge on the balance: 0 %
- Collateral required: 0 % of bail
- Court fee deducted from cash bail: 3 %
- Expected case length: 8 months
Results
- Total non-refundable bond cost: $2,500
- Down payment: $1,000
- Monthly instalment: $167
- Collateral to pledge: $0
- Cost if you post cash bail: $750
- Effective annualised cost of the bond: 15.0%
What each field means
Inputs
- Bail amount set ($)
- The bail amount set used in the calculation, measured in $. Starts at 25000 $ so you have a working example on load. Accepted range: 500–2000000 $.
- Bond premium rate (%)
- The bond premium rate used in the calculation, measured in %. Starts at 10 % so you have a working example on load. Accepted range: 5–20 %.
- Down payment required (% of premium)
- The down payment required used in the calculation, measured in % of premium. Starts at 40 % of premium so you have a working example on load. Accepted range: 0–100 % of premium.
- Payment plan length (months)
- The payment plan length used in the calculation, measured in months. Starts at 9 months so you have a working example on load. Accepted range: 1–36 months.
- Financing charge on the balance (%)
- The financing charge on the balance used in the calculation, measured in %. Starts at 0 % so you have a working example on load. Accepted range: 0–30 %.
- Collateral required (% of bail)
- The collateral required used in the calculation, measured in % of bail. Starts at 0 % of bail so you have a working example on load. Accepted range: 0–150 % of bail.
- Court fee deducted from cash bail (%)
- The court fee deducted from cash bail used in the calculation, measured in %. Starts at 3 % so you have a working example on load. Accepted range: 0–15 %.
- Expected case length (months)
- The expected case length used in the calculation, measured in months. Starts at 8 months so you have a working example on load. Accepted range: 1–48 months.
Results
- Total non-refundable bond cost
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Down payment
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Monthly instalment
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Collateral to pledge
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Cost if you post cash bail
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Effective annualised cost of the bond
- Returned as a percentage. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
Is the bond premium ever refunded?
No. The premium is the agent's fee for guaranteeing appearance and is earned as soon as the bond is posted, whether the case ends in dismissal, acquittal, or conviction.
Is cash bail returned in full?
Generally yes at the conclusion of the case if the defendant made all appearances, though many courts deduct an administrative fee and can apply the balance to fines or restitution. That deduction is what the court fee input models.
What can be used as collateral?
Commonly real property, vehicles, or cash held by the agent. Collateral is returned when the bond is exonerated, but liens on property can take time to release, so get the terms in writing.
Can bail be reduced?
Yes — defence counsel can move for a bail reduction hearing, and many jurisdictions have pretrial release programmes that avoid a bond entirely. Ask before paying a premium you cannot recover.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Bail Bond Cost Calculator. Retrieved from https://www.revenuelab.fyi/toolbox/bail-bond-cost-calculator
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/bail-bond-cost-calculator" target="_blank" rel="noopener">Bail Bond Cost Calculator — RevenueLab</a> (2026).</p>
Source: [Bail Bond Cost Calculator — RevenueLab](https://www.revenuelab.fyi/toolbox/bail-bond-cost-calculator) (2026).