diff --git a/gui/src/app/state/recovery.rs b/gui/src/app/state/recovery.rs
index 5daecece..dbe904e9 100644
--- a/gui/src/app/state/recovery.rs
+++ b/gui/src/app/state/recovery.rs
@@ -155,7 +155,7 @@ impl State for RecoveryPanel {
                                 .cloned()
                                 .collect();
                             let sigs = desc.partial_spend_info(&psbt).unwrap();
-                            Ok(SpendTx::new(None, psbt, coins, sigs))
+                            Ok(SpendTx::new(None, psbt, coins, sigs, desc.max_sat_vbytes()))
                         },
                         Message::Recovery,
                     );
diff --git a/gui/src/app/state/spend/step.rs b/gui/src/app/state/spend/step.rs
index 00d226a2..dcbe53e1 100644
--- a/gui/src/app/state/spend/step.rs
+++ b/gui/src/app/state/spend/step.rs
@@ -432,7 +432,13 @@ impl Step for SaveSpend {
             .unwrap();
         self.spend = Some(psbt::PsbtState::new(
             self.wallet.clone(),
-            SpendTx::new(None, psbt, draft.inputs.clone(), sigs),
+            SpendTx::new(
+                None,
+                psbt,
+                draft.inputs.clone(),
+                sigs,
+                self.wallet.main_descriptor.max_sat_vbytes(),
+            ),
             false,
         ));
     }
diff --git a/gui/src/app/view/home.rs b/gui/src/app/view/home.rs
index 7e59e74e..0a1a28cd 100644
--- a/gui/src/app/view/home.rs
+++ b/gui/src/app/view/home.rs
@@ -210,6 +210,15 @@ pub fn payment_view<'a>(
                     .align_items(Alignment::Center)
                     .push(h3("Miner fee: ").style(color::GREY_3))
                     .push(amount_with_size(&fee_amount, H3_SIZE))
+                    .push(text(" ").size(H3_SIZE))
+                    .push(
+                        text(format!(
+                            "({} sats/vbyte)",
+                            fee_amount.to_sat() / tx.tx.vsize() as u64
+                        ))
+                        .size(H4_SIZE)
+                        .style(color::GREY_3),
+                    )
             }))
             .push(card::simple(
                 Column::new()
diff --git a/gui/src/app/view/psbt.rs b/gui/src/app/view/psbt.rs
index f314ab36..587d17e8 100644
--- a/gui/src/app/view/psbt.rs
+++ b/gui/src/app/view/psbt.rs
@@ -196,7 +196,13 @@ pub fn spend_header<'a>(tx: &SpendTx) -> Element<'a, Message> {
                     Row::new()
                         .align_items(Alignment::Center)
                         .push(h3("Miner fee: ").style(color::GREY_3))
-                        .push(amount_with_size(&tx.fee_amount, H3_SIZE)),
+                        .push(amount_with_size(&tx.fee_amount, H3_SIZE))
+                        .push(text(" ").size(H3_SIZE))
+                        .push(
+                            text(format!("(~{} sats/vbyte)", &tx.min_feerate_vb()))
+                                .size(H4_SIZE)
+                                .style(color::GREY_3),
+                        ),
                 ),
         )
         .into()
diff --git a/gui/src/app/view/transactions.rs b/gui/src/app/view/transactions.rs
index 127cb194..20491080 100644
--- a/gui/src/app/view/transactions.rs
+++ b/gui/src/app/view/transactions.rs
@@ -171,6 +171,15 @@ pub fn tx_view<'a>(
                                 .align_items(Alignment::Center)
                                 .push(h3("Miner fee: ").style(color::GREY_3))
                                 .push(amount_with_size(&fee_amount, H3_SIZE))
+                                .push(text(" ").size(H3_SIZE))
+                                .push(
+                                    text(format!(
+                                        "({} sats/vbyte)",
+                                        fee_amount.to_sat() / tx.tx.vsize() as u64
+                                    ))
+                                    .size(H4_SIZE)
+                                    .style(color::GREY_3),
+                                )
                         })),
                 ),
             )
diff --git a/gui/src/daemon/mod.rs b/gui/src/daemon/mod.rs
index 8b3a9426..1c4e975f 100644
--- a/gui/src/daemon/mod.rs
+++ b/gui/src/daemon/mod.rs
@@ -97,7 +97,13 @@ pub trait Daemon: Debug {
                 .main
                 .partial_spend_info(&tx.psbt)
                 .map_err(|e| DaemonError::Unexpected(e.to_string()))?;
-            spend_txs.push(model::SpendTx::new(tx.updated_at, tx.psbt, coins, sigs))
+            spend_txs.push(model::SpendTx::new(
+                tx.updated_at,
+                tx.psbt,
+                coins,
+                sigs,
+                info.descriptors.main.max_sat_vbytes(),
+            ))
         }
         spend_txs.sort_by(|a, b| {
             if a.status == b.status {
diff --git a/gui/src/daemon/model.rs b/gui/src/daemon/model.rs
index 2f6b53d1..b36d9e45 100644
--- a/gui/src/daemon/model.rs
+++ b/gui/src/daemon/model.rs
@@ -30,6 +30,9 @@ pub struct SpendTx {
     pub change_indexes: Vec<usize>,
     pub spend_amount: Amount,
     pub fee_amount: Amount,
+    /// The maximum size difference (in virtual bytes) of
+    /// an input in this transaction before and after satisfaction.
+    pub max_sat_vbytes: usize,
     pub status: SpendStatus,
     pub sigs: PartialSpendInfo,
     pub updated_at: Option<u32>,
@@ -49,6 +52,7 @@ impl SpendTx {
         psbt: Psbt,
         coins: Vec<Coin>,
         sigs: PartialSpendInfo,
+        max_sat_vbytes: usize,
     ) -> Self {
         let mut change_indexes = Vec::new();
         let (change_amount, spend_amount) = psbt.unsigned_tx.output.iter().enumerate().fold(
@@ -87,6 +91,7 @@ impl SpendTx {
             change_indexes,
             spend_amount,
             fee_amount: inputs_amount - spend_amount - change_amount,
+            max_sat_vbytes,
             status,
             sigs,
         }
@@ -122,6 +127,14 @@ impl SpendTx {
     pub fn is_self_send(&self) -> bool {
         !self.coins.is_empty() && self.spend_amount == Amount::from_sat(0)
     }
+
+    /// Feerate obtained if all transaction inputs have the maximum satisfaction size.
+    pub fn min_feerate_vb(&self) -> u64 {
+        // This assumes all inputs are internal (have same max satisfaction size).
+        let max_tx_vbytes =
+            self.psbt.unsigned_tx.vsize() + (self.max_sat_vbytes * self.psbt.inputs.len());
+        self.fee_amount.to_sat() / max_tx_vbytes as u64
+    }
 }
 
 #[derive(Debug, Clone)]