Fidamen

RV Loan Balloon Payment Calculator with Bi-Weekly Payments

This calculator estimates the regular payment amount for an RV loan when a balloon payment is scheduled and payments are made on a bi‑weekly (or other) basis. Enter the loan principal, APR, amortization term, planned balloon amount and when the balloon becomes due to see the periodic payment and totals.

Results assume a standard loan where periodic payments are level and the balloon amount is paid as a lump sum on the balloon due date. Use the payment frequency control to switch from monthly to bi‑weekly or weekly schedules.

Updated Nov 17, 2025QA PASS — golden 25 / edge 120Run golden-edge-2026-01-23

Governance

Record d4acabb064b3 • Reviewed by Fidamen Standards Committee

Inputs

Results

Updates as you type

Regular periodic payment (excl. balloon)

$255.95

Total number of scheduled payments

260

Number of payments until balloon is due

260

Present value of the balloon at loan start

$0.00

Total amount paid over loan life (payments + balloon)

$66,547.05

Total interest paid over loan life

$16,547.05

OutputValueUnit
Regular periodic payment (excl. balloon)$255.95USD
Total number of scheduled payments260—
Number of payments until balloon is due260—
Present value of the balloon at loan start$0.00USD
Total amount paid over loan life (payments + balloon)$66,547.05USD
Total interest paid over loan life$16,547.05USD
Primary result$255.95

Visualization

Methodology

We compute the periodic payment P that satisfies the present value equation: principal = P * (1 - (1 + r)^-N) / r + B / (1 + r)^M, where r is the periodic rate, N is the total number of scheduled payments, B is the balloon amount, and M is the number of payments until the balloon is due.

Periodic rate r is derived as APR / 100 / payments_per_year. The calculator discounts the balloon to present value at the same periodic rate when solving for P. Total paid and total interest are computed by summing scheduled payments and adding the balloon when due.

F.A.Q.

Does the calculator assume interest compounds at the same frequency as payments?

Yes. The tool treats the APR as the nominal annual rate and uses the payment frequency to compute the periodic rate. This matches common lender practice for periodic amortizing loans. If your lender quotes effective rates or compounds differently, results may vary.

What happens if APR is zero?

The formula divides by the periodic rate; at APR = 0 the mathematical limit reduces to equal principal installments. For APR = 0, periodic payment equals (principal - balloon_amount) / N. Check results against your lender's schedule for zero‑interest promotions.

Can the balloon be due before the amortization term ends?

Yes. Use 'Years until balloon is due' to set when the balloon must be paid. The calculator discounts that balloon to present value at the periodic rate when solving for the periodic payment.

Are results guaranteed to match my lender's statement?

No. This calculator provides estimates based on typical amortization math. Lenders may use different day‑count conventions, rounding rules, fees, or escrow items. Use outputs as guidance and confirm final figures with your loan agreement.

Sources & citations

Further resources

Versioning & Change Control

Audit record (versions, QA runs, reviewer sign-off, and evidence).

Record ID: d4acabb064b3

What changed (latest)

v1.0.0 • 2025-11-17 • MINOR

Initial publication and governance baseline.

Why: Published with reviewed formulas, unit definitions, and UX controls.

Public QA status

PASS — golden 25 + edge 120

Last run: 2026-01-23 • Run: golden-edge-2026-01-23

Engine

v1.0.0

Data

Baseline (no external datasets)

Content

v1.0.0

UI

v1.0.0

Governance

Last updated: Nov 17, 2025

Reviewed by: Fidamen Standards Committee (Review board)

Credentials: Internal QA

Risk level: low

Reviewer profile (entity)

Fidamen Standards Committee

Review board

Internal QA

Entity ID: https://fidamen.com/reviewers/fidamen-standards-committee#person

Semantic versioning

  • MAJOR: Calculation outputs can change for the same inputs (formula, rounding policy, assumptions).
  • MINOR: New features or fields that do not change existing outputs for the same inputs.
  • PATCH: Bug fixes, copy edits, or accessibility changes that do not change intended outputs except for previously incorrect cases.

Review protocol

  • Verify formulas and unit definitions against primary standards or datasets.
  • Run golden-case regression suite and edge-case suite.
  • Record reviewer sign-off with credentials and scope.
  • Document assumptions, limitations, and jurisdiction applicability.

Assumptions & limitations

  • Uses exact unit definitions from the Fidamen conversion library.
  • Internal calculations use double precision; display rounding follows the unit's configured decimal places.
  • Not a substitute for calibrated instruments in regulated contexts.
  • Jurisdiction-specific rules may require official guidance.

Change log

v1.0.0 • 2025-11-17 • MINOR

Initial publication and governance baseline.

Why: Published with reviewed formulas, unit definitions, and UX controls.

Areas: engine, content, ui • Reviewer: Fidamen Standards Committee • Entry ID: 05fe3a68c8f9